A. Abdalla, H. Louvandini, I. Bueno, D. Vitti, C. Meirelles et al., Constraints to milk production in grazing dairy cows in Brazil and management strategies for improving their productivity, Preventive Veterinary Medicine, vol.38, pp.217-230, 1999.
DOI : 10.1016/s0167-5877(98)00127-5

J. Agabriel, J. M. Giraud, and M. Et-petit, Détermination de la note d'état d'engraissement en élevage bovin allaitant, Bull. Tech. CRZV Theix, INRA, vol.66, pp.43-50, 1986.

J. Agabriel and M. Et-petit, Recommandations alimentaires pour les vaches allaitantes, Bull. Tech. CRZV Theix, INRA, vol.70, pp.153-166, 1987.

J. Agabriel, J. Grenet, and M. Et-petit, Etat corporel et intervalle entre vêlages chez la vache allaitante : Bilan de deux années d'enquêtes en exploitation, INRA Productions animales, vol.5, pp.355-369, 1992.

. Agreste, Milieu et environnement, vol.9, 2010.

. Agreste, Produits agroalimentaires, pp.123-143, 2010.

, Agreste. 2011. Les charges. Les dossiers, vol.12, pp.19-25

A. Alejandrino, C. Asaad, O. Malabayabas, . De, B. Vera et al., Constraints on dairy cattle productivity at the smallholder level in the philippines, Preventive Veterinary Medicine, vol.38, pp.167-178, 1999.

J. Álvarez-rodríguez, J. Palacio, and A. Et-sanz, Effects of nursing frequency and parity on the productive, metabolic and reproductive parameters of beef cows, Livestock Science, vol.129, pp.111-121, 2010.

N. Atti and F. Et-bocquier, Adaptation des brebis barbarine à l'alternance sous-nutritionréalimentation: Effets sur les tissus adipeux, Annales Zootechnie, vol.48, pp.189-198, 1999.

S. Azzam, J. Kinder, and M. Et-nielsen, Modelling reproductive management systems for beef cattle, Agricultural systems, vol.34, pp.103-122, 1990.

D. Bauman and W. Et-currie, Partitioning of nutrients during pregnancy and lactation: A review of mechanisms involving homeostasis and homeorhesis, J. Dairy Sci, vol.63, pp.1514-1529, 1980.

R. Beilharz and G. Nitter, The missing E : The role of the environment in evolution and animal breeding, J. Anim.Breed.Genet, vol.115, pp.439-453, 1998.

B. Bereskin and R. Et-touchberry, Some effects of pregnancy on body weight and paunch girth1, J. Dairy Sci, vol.50, pp.220-224, 1967.

S. Bernardet, Manifestation comportementale de vaches charolaises en période oestrale, vol.83, p.p, 2009.

F. Blanc, F. Bocquier, J. Agabriel, P. D'hour, and Y. Et-chilliard, Amélioration de l'autonomie alimentaire des élevages de ruminants: Conséquences sur les fonctions de production et la longévité des femelles, Renc. Rech. Ruminants, vol.11, pp.155-162, 2004.

F. Blanc, F. Bocquier, J. Agabriel, P. D'hour, and Y. Et-chilliard, Adaptative abilities of the females and sustainability of ruminant livestock systems : A review, Anim. Res, vol.55, pp.489-510, 2006.

F. Blanc and J. Et-agabriel, Modelling the reproductive efficiency in a beef cow herd : Effect of calving date, bull exposure and body condition score at calving on the calving-conception interval and calving distribution, J. Agri. Sci, vol.146, pp.143-161, 2008.

F. Blanc, F. Bocquier, J. Agabriel, P. D'hour, and Y. Et-chilliard, ed.) L'élevage en mouvement. Flexibilité et adaptation des exploitations d'herbivores, pp.73-94, 2008.

F. Blanc, B. Dumont, G. Brunschwig, F. Bocquier, and J. Et-agabriel, Robustesse, flexibilité, plasticité : Des processus adaptatifs révélés dans les systèmes d'élevage extensifs de ruminants, INRA Prod. Anim, vol.23, pp.65-80, 2010.

F. Blanc, P. Paccard, J. Gatien, A. De-la-torre, C. Ponsart et al., Caractérisation de l'oestrus chez la vache allaitante: Quantification des manifestations comportementales et facteurs de variations, Renc. Rech. Ruminants, vol.17, pp.121-124, 2010.

B. Perez-aramendia and I. , Influencia de diversos factores de explotacion sobre las caracteristicas reproductivas del periodo post-parto en ganado vacuno de montana, Facultad de veterinaria, vol.130, 1991.

L. Bodin, G. Bolet, M. Garcia, H. Garreau, C. Larzul et al., Robustesse et canalisation : Vision de généticiens, INRA Prod. Anim, vol.23, pp.11-22, 2010.

M. Bonnet, D. Gruffat, and J. F. Et-hocquette, Métabolisme lipidique des tissues musculaires et adipeux. In: Quae (ed.) Muscle et viande de ruminant, pp.79-88, 2010.

L. Brun-lafleur, Modélisation du fonctionnement d'un troupeau laitier pour anticiper les conséquences de son pilotage, vol.280, 2011.

W. Butler and R. Smith, Interrelationships between energy balance and postpartum reproductive function in dairy cattle, J. Dairy Sci, vol.72, pp.767-783, 1989.
DOI : 10.3168/jds.s0022-0302(89)79169-4

W. Butler, Energy balance relationships with follicular development, ovulation and fertility in postpartum dairy cows, Livest. Prod. Sci, vol.83, pp.211-218, 2003.
DOI : 10.1016/s0301-6226(03)00112-x

D. Cavestany, C. Vinoles, M. Crowe, L. Manna, A. Et-mendoza et al., Effect of prepartum diet on postpartum ovarian activity in holstein cows in a pasture-based dairy system, Animal Reproduction Science, vol.114, pp.1-13, 2009.

Y. Chilliard, Revue bibliographique: Variations quantitatives et métabolisme des lipides dans les tissus adipeux et le foie au cours du cycle gestation-lactation, Reprod. Nutr. Dévelop, vol.27, pp.327-398, 1987.

Y. Chilliard, Particularités du métabolisme des lipides et du métabolisme énergétique chez le dromadaire, Options Méditerranéennes, vol.2, pp.101-110, 1989.

Y. Chilliard and A. Et-ollier, Alimentation lipidique et métabolisme du tissu adipeux chez les ruminants. Comparaison avec le porc et les rongeurs, INRA Prod. Anim, vol.7, pp.293-308, 1994.
DOI : 10.1051/animres:19940303
URL : http://animres.edpsciences.org/articles/animres/pdf/1994/03/Ann.Zootech._0003-424X_1994_43_3_ART0003.pdf

Y. Chilliard, F. Bocquier, and M. Et-doreau, Digestive and metabolic adaptations of ruminants to undernutrition, and consequences on reproduction, Reprod. Nutr. Dev, vol.38, pp.131-152, 1998.
DOI : 10.1051/rnd:19980201
URL : https://hal.archives-ouvertes.fr/hal-00900147

Y. Chilliard, M. Doreau, and F. Et-bocquier, Les adaptations à la sous-nutrition chez les herbivores. Cahier de nutrition et de diététique, vol.33, pp.217-224, 1998.

Y. Chilliard, A. Ferlay, Y. Faulconnier, M. Bonnet, J. Rouel et al., Adipose tissue metabolism and its role in adaptations to undernutrition in ruminants, Proceedings of the Nutrition Society, vol.59, pp.127-134, 2000.
DOI : 10.1017/s002966510000015x
URL : https://www.cambridge.org/core/services/aop-cambridge-core/content/view/B36BAE64FB77013A29FDC083D5BF8DEE/S002966510000015Xa.pdf/div-class-title-adipose-tissue-metabolism-and-its-role-in-adaptations-to-undernutrition-in-ruminants-div.pdf

N. Ciccioli, R. Wettemann, L. Spicer, C. Lents, F. White et al., Influence of body condition at calving and postpartum nutrition on endocrine function and reproductive performance of primiparous beef cows, J. Anim Sci, vol.81, pp.3107-3120, 2003.

C. , Perspectives pour l'agriculture française et la PAC. La documentation française, p.123, 2007.

J. B. Coulon, F. Lescourret, B. Faye, E. Landais, J. L. Troccon et al., Description de la base de données "Lascar", un outil pour l'étude des carrières des vaches laitières, INRA Prod. Anim, vol.6, pp.151-160, 1993.

J. B. Coulon, L. Pérochon, and F. Et-lescourret, Modelling the effect of the stage of pregnancy on dairy cows's milk yield, Animal Science, vol.60, pp.401-408, 1995.

S. Cournut, Le fonctionnement des systèmes biologiques pilotés : Simulation à évènements discrets d'un troupeau ovin conduit en trois agnelages en deux ans, vol.492, 2001.

J. P. Coutard, M. Menard, G. Benoteau, F. Lucas, J. M. Henry et al., Reproduction des troupeaux allaitants dans les pays de la loire: Facteurs de variation des performances, Renc. Rech. Ruminants, vol.14, pp.359-362, 2007.

E. Cutullic, L. Delaby, D. Causer, and C. Et-disenhaus, Facteurs de variation de la détection des chaleurs chez la vache laitière conduite en vêlages groupés, Renc. Rech. Ruminants, vol.13, pp.269-272, 2006.

E. Cutullic, Concurrence entre lactation et reproduction chez la vache laitière, vol.170, 2010.

E. Cutullic, L. Delaby, Y. Gallard, and C. Et-dienhaus, L'effet de la stratégie d'alimentation sur la reproduction des vaches laitières varie selon la race et les différentes phases du cycle de reproduction, Renc. Rech. Ruminants, vol.17, pp.149-152, 2010.

E. Cutullic, L. Delaby, Y. Gallard, and C. Et-dienhaus, Dairy cows' reproductive response to feeding level differs according to the reproductive stage and the breed, animal, vol.5, pp.731-740, 2011.
DOI : 10.1017/s1751731110002235
URL : https://www.cambridge.org/core/services/aop-cambridge-core/content/view/5D9C647415269E5F74473A0406C1405E/S1751731110002235a.pdf/div-class-title-dairy-cows-reproductive-response-to-feeding-level-differs-according-to-the-reproductive-stage-and-the-breed-div.pdf

P. D'hour, M. Petit, P. Pradel, and J. Et-garel, Evolution du poids et de la production laitière au pâturage de vaches allaitantes salers et limousines dans deux milieux, Renc. Rech. Ruminants, vol.2, pp.105-108, 1995.

S. Denham, R. Larsen, J. Boucher, and A. E. Et, Structure and behaviour of a deterministic model of reproductive performance in beef cattle, Agricultural systems, vol.35, pp.21-36, 1991.

S. Derouen, D. Franke, D. Morrison, W. Wyatt, D. Coombs et al., Prepartum body condition and weight influences on reproductive performance of first-calf beef cows, J. Anim Sci, vol.72, pp.1119-1125, 1994.

P. Dillon, F. Buckley, P. O'connor, D. Hegarty, and M. Et-rath, A comparison of different dairy cow breeds on a seasonal grass-based system of milk production: 1. Milk production, live weight, body condition score and dm intake, Livestock Production Science, vol.83, pp.21-33, 2003.

M. Diskin, D. Mackey, J. Roche, and J. Et-sreenan, Effects of nutrition and metabolic status on circulating hormones and ovarian follicle development in cattle, Animal Reproduction Science, vol.78, pp.345-370, 2003.

D. Dozias and J. Et-agabriel, Croissance des génisses des troupeaux allaitants et performances ultérieures, Journées nationales des GTV, 2006.

T. Dunn, J. Ingalls, D. Zimmerman, and J. Et-wiltbank, Reproductive performance of 2-year-old hereford and angus heifers as influenced by pre-and post-calving energy intake, J. Anim Sci, vol.29, pp.719-726, 1969.
DOI : 10.2527/jas1969.295719x

T. Dunn and C. Et-kaltenbach, Nutrition and the postpartum interval of the ewe, sow and cow, J. Anim Sci, vol.51, pp.29-39, 1980.

T. Dunn and G. Et-moss, Effects of nutrient deficiencies and excesses on reproductive efficiency of livestock, J. Anim Sci, vol.70, pp.1580-1593, 1992.

A. Eddebbarh, Systèmes extensifs d'élevage bovin laitier en méditerranée, Options Méditérranéennes-Serie Séminaires, vol.6, pp.123-133, 1989.

P. Ezanno, Modélisation de la relation entre l'état des réserves corporelles et la productivité des troupeaux bovins. Cas des n'dama en milieu agro-pastoral extensif de zone tropicale humide (kolda, sénégal), vol.66, 2002.

P. Ezanno, A. Ickowicz, and F. Et-bocquier, Factors affecting the body condition score of N'dama cows under extensive range management in southern senegal, Anim. Res, vol.52, pp.37-48, 2003.
URL : https://hal.archives-ouvertes.fr/hal-00889832

P. Ezanno, Dynamics of a tropical cattle herd in a variable environment: A modelling approach in order to identify the target period and animals on which concentrating management efforts to improve productivity, Ecological Modelling, vol.188, pp.470-482, 2005.

F. , Flambée des prix et crises alimentairesexpériences et enseignements. FAO, Rome, vol.66, 2009.

F. , La situation mondiale de l'alimentation et de l'agriculture, vol.202, 2009.

X. Fauvergue and C. Et-tentelier, Flexibilité adaptative: Biologie évolutive, théorie des jeux et psychologie, L'élevage en mouvement. Flexibilité et adaptations des exploitations d'herbivores, pp.37-57, 2008.

R. Flores, M. Looper, R. Rorie, M. Lamb, S. Reiter et al., Influence of body condition and bovine somatotropin on estrous behavior, reproductive performance, and concentrations of serum somatotropin and plasma fatty acids in postpartum brahman-influenced cows, J. Anim Sci, vol.85, pp.1318-1329, 2007.

H. Freetly, J. Nienaber, and T. Et-brown-brandl, Partitioning of energy during lactation of primiparous beef cows, J. Anim Sci, vol.84, pp.2157-2162, 2006.
DOI : 10.2527/jas.2005-534

S. Freret, P. Salvetti, J. Gatien, P. Humblot, and C. Et-ponsart, Facteurs de variation de la fertilité en première ia chez les vaches prim'hostein, Renc. Rech. Ruminants, vol.18, pp.89-92, 2011.

N. C. Friggens, Body lipid reserves and the reproductive cycle : Towards a better understanding Livestock Production Science No. 83, pp.219-236, 2003.
DOI : 10.1016/s0301-6226(03)00111-8

N. C. Friggens, K. Ingvartsen, and G. Et-emmans, Prediction of body lipid change in pregnancy and lactation, J. Dairy Sci, vol.87, pp.988-1000, 2004.
DOI : 10.3168/jds.s0022-0302(04)73244-0

N. C. Friggens and J. Badsberg, The effect of breed and parity on curves of body condition during lactation estimated using a non-linear function, Animal, vol.1, pp.565-574, 2007.

N. C. Friggens, P. Berg, P. Theilgaard, I. Korsgaard, K. Ingvartsen et al., Breed and parity effects on energy balance profiles through lactation: Evidence of genetically driven body energy change, Journal of dairy science, vol.90, pp.5291-5305, 2007.
DOI : 10.3168/jds.2007-0173

N. C. Friggens and R. Labouriau, Effet du numéro d'oestrus et du nombre de jours après le vêlage sur la probabilité de conception chez les vaches laitières, Renc. Rech. Ruminants, vol.14, pp.367-370, 2007.

N. C. Friggens and J. Newbold, Towards a biological basis for predicting nutrient partitioning : The dairy cow as an example, Animal, vol.1, pp.87-97, 2007.

N. C. Friggens and R. Labouriau, Probability of pregnancy as affected by estrus number and days to first estrus in dairy cows of three breeds and parities, Animal Reproduction Science, vol.118, pp.155-162, 2010.

N. C. Friggens, D. Sauvant, and O. Et-martin, Vers des définitions opérationnelles de la robustesse s'appuyant sur des faits biologiques: L'exemple de la nutrition, INRA Prod. Anim, vol.23, pp.43-52, 2010.

N. C. Friggens, L. Brun-lafleur, P. Faverdin, D. Sauvant, and O. Martin, Advances in predicting nutrient partitioning in the dairy cow: Recognizing the central role of genotype and its expression through time, Animal FirstView, pp.1-13, 2011.
URL : https://hal.archives-ouvertes.fr/hal-01001341

F. Garcia and J. Et-agabriel, Recommandations alimentaires pour les vaches de réformes à l'engrais. Développement d'un modèle d'estimation de la composition du gain de poids et des besoins associés, INRA Prod. Anim, vol.20, pp.137-150, 2007.

F. Garcia and J. Et-agabriel, Compocow : A predictive model to estimate variations in body composition and the energy requirements of cull cows during finishing, J. Agri. Sci, vol.146, pp.251-265, 2008.

P. Garnsworthy and J. Et-topps, The effect of body condition of dairy cows at calving on their food intake and performance when given complete diets, Anim. Prod, vol.35, pp.113-119, 1982.

A. Geoffroy, Expression comportementale de l'oestrus chez des vaches allaitantes charolaises soumises à différents niveaux alimentaires postpartum, vol.218, 2010.

G. , Bilan 2007 des changements climatiques : Rapport de synthèse, vol.22, 2007.

M. Hanigan, H. Bateman, J. Fadel, and J. Mcnamara, Metabolic models of ruminant metabolism: Recent improvements and current status, J. Dairy Sci, vol.89, pp.52-64, 2006.

T. Hoch, C. Begon, I. Cassar-malek, B. Picard, and I. Savary-auzeloux, Mécanismes et conséquences de la croissance compensatrice chez les ruminants, INRA Prod. Anim, vol.16, pp.49-59, 2003.

P. Houghton, R. Lemenager, L. Horstman, K. Hendrix, and G. Et-moss, Effects of body composition, pre-and postpartum energy level and early weaning on reproductive performance of beef cows and preweaning calf gain, J. Anim Sci, vol.68, pp.1438-1446, 1990.

J. Hurnik and G. Et-king, Estrous behavior in confined beef cows, J. Anim Sci, vol.65, pp.431-438, 1987.
DOI : 10.2527/jas1987.652431x

S. Ingrand and J. Et-agabriel, Typology of the evolution of intake by charolais cows around calving, Animal Science, vol.63, pp.361-371, 1997.

K. Ingvartsen and N. Et-friggens, To what extent do variabilities in hormones, metabolites and energy intake explain variability in milk yield?, Domestic Animal Endocrinology, vol.29, pp.294-304, 2005.
DOI : 10.1016/j.domaniend.2005.05.001

I. , Alimentation des bovins, ovins et caprins. Besoins des animaux-valeurs des aliments, 2007.

R. Jarrige, M. Petit, and L. Tissier-m-et-gueguen, Reproduction, gestation et lactation, alimentation des ruminants, 1980.

T. Jenkins and C. Et-ferrell, Productivity through weaning of nine breeds of cattle under varying feed availabilities: I. Initial evaluation, Journal of Animal Science, vol.72, pp.2787-2797, 1994.

T. Jenkins and C. Et-ferrell, Preweaning efficiency for mature cows of breed crosses from tropically adapted bos indicus and bos taurus and unadapted bos taurus breeds, Journal of Animal Science, vol.82, pp.1876-1881, 2004.

M. Kafi, A. Mirzaei, A. Tamadon, and M. Et-saeb, Factors affecting the occurence of postpartum prolonged luteal activity in clinically healthy high-producing dairy cows, Theriogenology, vol.77, pp.421-429, 2012.

V. Kaitala, T. Mappes, and H. Et-ylonen, Delayed female reproduction in equilibrium and chaotic populations, Evolutionary Ecology, vol.11, pp.105-126, 1997.

S. Kerbrat and C. Et-disenhaus, A proposition for an updated behavioural characterisation of the oestrus period in dairy cows, Applied Animal Behaviour Science, vol.87, pp.223-238, 2004.

B. Khireddine, B. Grimard, A. Ponter, C. Ponsart, H. Boudjenah et al., Influence of flushing on lh secretion, follicular growth and the response to estrus synchronization treatment in suckled beef cows, Theriogenology, vol.49, pp.1409-1423, 1998.

S. Lake, E. Scholljegerdes, R. Atkinson, V. Nayigihugu, S. Paisley et al., Body condition score at parturition and postpartum supplemental fat effects on cow and calf performance, J. Anim Sci, vol.83, pp.2908-2917, 2005.

D. Lalman, D. Keisler, J. Williams, E. Scholljegerdes, and D. Et-mallett, Influence of postpartum weight and body condition change on duration of anestrus by undernourished suckled beef heifers, J. Anim Sci, vol.75, pp.2003-2008, 1997.

J. Lasseur and E. Et-landais, Mieux valoriser l'information contenue dans les carnets d'agnelage pour évaluer des performances et des carrières de reproduction en élevage ovin-viande, INRA Prod. Anim, vol.5, pp.43-58, 1992.

D. Ledoux, J. Gatien, B. Grimard, M. C. Deloche, S. Fritz et al., Phénotypage des échecs de gestation entre 0 et 90 jours après 1ère insémination postpartum en race holstein et relations avec l'index de fertilité postpartum des pères utilisés, Renc. Rech. Ruminants, vol.18, pp.339-342, 2011.

C. Lents, F. White, N. Ciccioli, R. Wettemann, L. Spicer et al., Effects of body condition score at parturition and postpartum protein supplementation on estrous behavior and size of the dominant follicle in beef cows, Journal of Animal Science, vol.86, pp.2549-2556, 2008.

K. Lika and S. Et-kooijman, Life history implications of allocation to growth versus reproduction in dynamic energy budgets, Bulletin of Mathematical Biology, vol.65, pp.809-834, 2003.

M. Looper, C. Lents, and R. Et-wettemann, Body condition at parturition and postpartum weight changes do not influence the incidence of short-lived corpora lutea in postpartum beef cows, J. Anim Sci, vol.81, pp.2390-2394, 2003.

. Lopez-gatius, Effects of body condition score and score change on the reproductive performance of dairy cows: a meta-analysis, Theriogenology, vol.59, pp.801-812, 2003.

M. Lucy, J. Savio, L. Badinga, L. De, R. Sota et al., Factors that affect ovarian follicular dynamics in cattle, J. Anim Sci, vol.70, pp.3615-3626, 1992.

K. Macdonald, G. Verkerk, B. Thorrold, J. Pryce, J. Penno et al., A comparison of three strains of holstein-friesian grazed on pasture and managed under different feed allowances, J. Dairy Sci, vol.91, pp.1693-1707, 2008.

O. Martin and D. Et-sauvant, A teleonomic model describing performance (body, milk and intake) during growth and over repeated reproductive cycles throughout the lifespan of dairy cattle. 1. Trajectories of life function priorities and genetic scaling, Animal, vol.4, pp.2030-2047, 2010.
URL : https://hal.archives-ouvertes.fr/hal-01173547

O. Martin and D. Et-sauvant, A teleonomic model describing performance (body, milk and intake) during growth and over repeated reproductive cycles throughout the lifespan of dairy cattle. 2. Voluntary intake and energy partitioning, animal, vol.4, pp.2048-2056, 2010.
URL : https://hal.archives-ouvertes.fr/hal-01173547

J. Mcnamara, Role and regulation of metabolism in adipose tissue during lactation, The Journal of Nutritional Biochemistry, vol.6, pp.120-129, 1995.

J. Moreau, F. Ruget, M. Ferrand, F. Souverain, S. Poissons et al., Prospective autour du changement climatique: Adaptation de systèmes fourragers, Renc. Rech. Ruminants, vol.15, pp.193-200, 2008.

C. Mosnier, Adaptation des élevages de bovins allaitants aux aléas de prix et de climat: Approche par modélisation, Ecole doctorale ABIES, vol.182, 2009.

C. Moulin, F. Blanc, P. Ezanno, and F. Et-bocquier, Modelling as a tool for teaching of livestock dynamics, Anim. Res, vol.53, pp.439-450, 2004.
URL : https://hal.archives-ouvertes.fr/hal-00889935

R. Nugent and T. Et-jenkins, Effects of alternative lamb production systems, maternal line, and culling strategy on flock age structure, Journal of Animal Science, vol.70, pp.2285-2295, 1992.

P. Oltenacu, R. Milligan, T. Rounsaville, and R. Et-foote, Modelling reproduction in a herd of dairy cattle, Agricultural Systems, vol.5, pp.193-205, 1980.

G. Opsomer, Y. Gröhn, J. Hertl, M. Coryn, H. Deluyker et al., Risk factors for post partum ovarian dysfunction in high producing dairy cows in belgium: A field study, Theriogenology, vol.53, pp.841-857, 2000.

K. Osoro and I. Wright, The effect of body condition, live weight, breed, age, calf performance, and calving date on reproductive performance of spring-calving beef cows, J. Anim Sci, vol.70, pp.1661-1666, 1992.

S. Peck, Simulation as experiment: A philosophical reassessment for biological modeling, Trends in Ecology &amp, vol.19, pp.530-534, 2004.

R. Perry, L. Corah, R. Cochran, W. Beal, J. Stevenson et al., Influence of dietary energy on follicular development, serum gonadotropins, and first postpartum ovulation in suckled beef cows, J. Anim Sci, vol.69, pp.3762-3773, 1991.

L. Petit-m-et-gueguen, Vaches nourrices, Alimentation des ruminants, 1980.

M. Petit, Alimentation des vaches allaitantes In: Alimentation des bovins, ovins et caprins, pp.159-184, 1988.

M. Petit, R. Jarrige, and I. Wright, Feeding and nutrition of the suckler cow, pp.191-208, 1992.

M. Petit and J. Et-agabriel, Etat corporel des vaches allaitantes charolaises : Signification, utilisation pratique et relations avec la reproduction, INRA Prod. Anim, vol.6, pp.311-318, 1993.
URL : https://hal.archives-ouvertes.fr/hal-00896064

M. Petit, J. Agabriel, P. D'hour, and J. Et-garel, Quelques caractéristiques des races bovines allaitantes de type rustique, INRA Prod. Anim, vol.7, pp.235-243, 1994.

A. Pleasants, Use of a stochastic model of a calving distribution for beef cows for formulating optimal natural mating strategies, Animal Science, vol.64, pp.413-421, 1997.

P. Pointereau, J. Bochu, and S. Et-doublet, Characterization and elements for a definition and analysis of low input farming systems, Low input farming systems: an opportunity to develop sustainable agriculture, pp.28-32, 2007.

X. Poux, K. Biala, J. M. Terres, P. Pointereau, and M. L. Paracchini, Low input farming systems : an opportunity to develop sustainable agriculture, 2008.

L. Puillet, Modéliser la variabilité biologique en réponse aux pratiques de conduite, vol.251, 2010.

L. Puillet, O. Martin, D. Sauvant, and M. Et-tichit, An individual-based model simulating goat response variability and long-term herd performance, Animal, vol.4, pp.2084-2098, 2010.
URL : https://hal.archives-ouvertes.fr/hal-01173513

D. Raubenheimer, D. Simpson, and H. Et-tait, Match and mismatch: Conservation physiology, nutritional ecology and the timescales of the biological adaptation, Phil. Trans. R. Soc, vol.367, pp.1628-1646, 2012.

B. Renquist, J. Oltjen, R. Sainz, and C. Et-calvert, Relationship between body condition score and production of multiparous beef cows, Livestock Science, vol.104, pp.147-155, 2006.

M. Richards, J. Spitzer, and M. Et-warner, Effect of varying levels of postpartum nutrition and body condition at calving on subsequent reproductive performance in beef cattle, J. Anim Sci, vol.62, pp.300-306, 1986.

J. Robelin and R. Et-daenicke, Variations of net energy requirements for cattle growth with liveweight, liveweight gain, breed and sex, Ann. Zootech, vol.29, pp.99-118, 1980.

J. Robelin, Composition corporelle des bovins: Évolution au cours du développement et différences entre races, vol.401, 1986.

J. Robelin and J. Et-agabriel, Estimation de l'état d'engraissement des bovins vivants à partir de la taille des cellules adipeuses, Bulletin Technique, vol.401, pp.37-41, 1986.

J. Robelin and L. Et-casteilla, Différentiation, croissance et développement du tissu adipeux, INRA Prod. Anim, vol.3, pp.243-252, 1990.

J. Roche, N. Friggens, J. Kay, M. Fisher, K. Stafford et al., Invited review: Body condition score and its association with dairy cow productivity, health, and welfare, Journal of Dairy Science, vol.92, pp.5769-5801, 2009.
URL : https://hal.archives-ouvertes.fr/hal-01173575

W. Rusche, R. Cochran, L. Corah, J. Stevenson, D. Harmon et al., Influence of source and amount of dietary protein on performance, blood metabolites, and reproductive function of primiparous beef cows, J. Anim Sci, vol.71, pp.557-563, 1993.

J. Sanders and T. Et-cartwright, A general cattle production systems model i: Structure of the model, Agricultural Systems, vol.4, pp.217-227, 1979.

A. Sanz, A. Bernués, D. Villalba, I. Casasús, and R. Et-revilla, Influence of management and nutrition on postpartum interval in brown swiss and pirenaica cows, Livestock Production Science, vol.86, pp.179-191, 2004.

D. Sauvant, La modélisation systémique en nutrition, Reprod. Nutr. Dev, vol.32, pp.217-230, 1992.

D. Sauvant, La modélisation de la réponse des porcs aux pratiques alimentaires et d'élevage, Journées de la recherche porcine, pp.283-290, 2005.

D. Sauvant, O. Et-martin, and .. Robustesse, Les nouveaux critères de qualité des animaux et des systèmes d'élevage: Définitions systémique et biologique des différents concepts, INRA Prod. Anim, vol.23, pp.5-10

R. Scaramuzzi, H. Brown, and J. Et-dupont, Nutritional and metabolic mechanisms in the ovary and their role in mediating the effects of diet on folliculogenesis: A perspective, Reproduction in Domestic Animals, vol.45, pp.32-41, 2010.

R. Scaramuzzi, D. Baird, B. Campbell, M. A. Driancourt, J. Dupont et al., Regulation of folliculogenesis and the determination of ovulation rate in ruminants, Reproduction, Fertility and Development, vol.23, pp.444-467, 2011.
URL : https://hal.archives-ouvertes.fr/hal-01129490

G. Selk, R. Wettemann, K. Lusby, J. Oltjen, S. Mobley et al., Relationships among weight change, body condition and reproductive performance of range beef cows, J. Anim Sci, vol.66, pp.3153-3159, 1988.

K. Sinclair and J. Et-agabriel, The adaptation of domestic ruminants to environmental contraints under extensive conditions, Ann. Zootech, vol.47, pp.347-358, 1998.

H. Taga, Ontogénèse des tissus adipeux chez le foetus bovin : Identification des processus cellulaires et moléculaires sous-jacents à l'adipogénèse, vol.187, 2011.

M. Tess and B. Et-kolstad, Simulation of cow-calf production systems in a range environment: I. Model development, Journal of Animal Science, vol.78, pp.1159-1169, 2000.

J. Thornley and J. Et-france, Mathematical models in agriculture. Quantitative methods for the plant, animal and ecological sciences, 2007.

M. Tichit, S. Ingrand, C. H. Moulin, S. Cournut, J. Lasseur et al., Capacités d'adaptation du troupeau: La diversité des trajectoires productives est-elle un atout ?, pp.119-133, 2008.

Ø. Varpe, C. Jørgensen, G. Tarling, and Ø. Et-fiksen, The adaptive value of energy storage and capital breeding in seasonal environments, Oikos, vol.118, pp.363-370, 2009.

I. Vetharaniam, A. Peterson, K. Mcnatty, and T. Et-soboleva, Modelling female reproductive function in farmed animals, Animal Reproduction Science, vol.122, pp.164-173, 2010.

A. Villa-godoy, T. Hughes, R. Emery, E. Stanisiewski, and R. Et-fogwell, Influence of energy balance and body condition on estrus and estrous cycles in holstein heifers, J. Dairy Sci, vol.73, pp.2759-2765, 1990.

D. Villalba, I. Casasãºs, A. Sanz, A. Bernuã©s, J. Estany et al., Stochastic simulation of mountain beef cattle systems, Agricultural Systems, vol.89, pp.414-434, 2006.

J. Wagner, K. Lusby, J. Oltjen, J. Rakestraw, R. Wettemann et al., Carcass composition in mature hereford cows: Estimation and effect on daily metabolizable energy requirement during winter, Journal of Animal Science, vol.66, pp.603-612, 1988.

J. Whittier, D. Clanton, and G. Et-deutscher, Effect of varying weight gain during the last trimester of gestation on productivity of beef heifers, Animal Production, vol.47, pp.53-57, 1988.

J. Wiltbank, W. Rowden, J. Ingalls, K. Geegoey, and R. Et-koch, Effect of energy level on reproductive phenomena of mature hereford cows, J. Anim Sci, vol.21, pp.219-225, 1962.

J. Wiltbank, W. Rowden, J. Ingalls, D. Zimmerman, H. Woelders et al., Influence of post-partum energy level on reproductive performance of hereford cows restricted in energy intake prior to calving, Systems biology in animal sciences. Animal, vol.23, pp.1036-1047, 1964.

H. Woelders, M. Pas, A. Bannink, R. F. Veerkamp, and M. A. Smits, Systems biology in animal sciences, Animal, vol.5, issue.7, pp.1036-1047, 2011.

S. Beam and W. R. Butler, Energy balance, metabolic hormones, and early postpartum follicular development in dairy cows fed prilled lipid, J. Dairy Sci, vol.81, pp.121-131, 1998.

F. Blanc, F. Bocquier, J. Agabriel, P. D'hour, and Y. Chilliard, Adaptative abilities of the females and sustainability of ruminant livestock systems : A review, Anim. Res, vol.55, pp.489-510, 2006.

F. Blanc and J. Agabriel, Modelling the reproductive efficiency in a beef cows herd: effect of calving date, bull exposure and body condition at calving on the calvingconception interval and calving distribution, J. Agric. Sci, vol.146, pp.143-161, 2008.

H. Boer, R. Veerkamp, B. Beerda, and H. Woelders, Estrous behavior in dairy cows: Identification of underlying mechanisms and gene functions, Animal, vol.4, pp.446-453, 2009.

W. Butler and R. Smith, Interrelationships between energy balance and postpartum reproductive function in dairy cattle, J. Dairy Sci, vol.72, pp.767-783, 1989.

Y. Chilliard, C. Delavaud, and M. Bonnet, Leptin expression in ruminants: Nutritional and physiological regulations in relation with energy metabolism, 2005.
DOI : 10.1016/j.domaniend.2005.02.026

. Endocrinol, , vol.29, pp.3-22

N. Ciccioli, R. Wetteman, L. Spicer, C. Lents, F. White et al., Influence of body condition at calving and postpartum nutrition on endocrine function and reproductive performance of primiparous beef cows, J. Anim Sci, vol.81, pp.3107-3120, 2003.

E. Cutullic, L. Delaby, D. Causeur, G. Michel, and C. Disenhaus, Hierarchy of factors affecting behavioural signs used for oestrus detection of holstein and normande dairy cows in a seasonal calving system, Anim. Reprod. Sci, vol.113, pp.22-37, 2009.
URL : https://hal.archives-ouvertes.fr/hal-00730123

E. Cutullic, L. Delaby, Y. Gallard, and C. Disenhaus, Dairy cows' reproductive response to feeding level differs according to the reproductive stage and the breed, Animal, vol.5, pp.731-740, 2011.

E. Cutullic, L. Delaby, Y. Gallard, and C. Disenhaus, Towards a better understanding of the respective effects of milk yield and body condition dynamics on reproduction in holstein dairy cows, Animal, vol.6, pp.476-487, 2012.
URL : https://hal.archives-ouvertes.fr/hal-00841094

A. De-la-torre, F. Blanc, D. Egal, and J. Agabriel, Dynamique post-partum de l'évolution des réserves corporelles de la vache allaitante charolaise selon sa parité et l'alimentation hivernale, Renc. Rech. Ruminants, vol.17, pp.289-292, 2010.

C. Disenhaus, E. Cutullic, F. Blanc, J. Gatien, J. Agabriel et al., Caractéristiques comparées de la cyclicité après vêlage de différentes races bovines, vol.15, pp.383-386, 2008.

M. Diskin, D. Mackey, J. Roche, and J. Sreenan, Effects of nutrition and metabolic status on circulating hormones and ovarian follicle development in cattle, Anim. Reprod, 2003.

. Sci, , vol.78, pp.345-370

N. Friggens, Body lipid reserves and the reproductive cycle: Towards a better understanding, Livest. Prod. Sci, vol.83, pp.219-236, 2003.

N. Friggens, L. Brun-lafleur, P. Faverdin, D. Sauvant, and O. Martin, Advances in predicting nutrient partitioning in the dairy cow: Recognizing the central role of genotype and its expression through time, Animal FirstView, pp.1-13, 2011.
URL : https://hal.archives-ouvertes.fr/hal-01001341

, Alimentation des bovins, ovins et caprins, INRA, 2007.

M. Kafi, A. Mirzaei, A. Tamadon, and M. Saeb, Factors affecting the occurrence of postpartum prlonged luteal activity in clinically healthy high-producing dairy cows, Theriogenology, vol.77, pp.421-429, 2012.

S. Lake, E. Scholljegerdes, V. Nayijihugu, C. Murrieta, R. Atkinson et al., Effects of body condition score at parturition and postpartum supplemental fat on adipose tissue lipogenic activity of lactating beef cows, J. Anim Sci, vol.84, pp.397-404, 2006.

D. Lalman, D. Keisler, J. Williams, E. Scholljegerdes, and D. Mallett, Influence of postpartum weight and body condition change on duration of anestrus by undernourished suckled beef heifers, J. Anim Sci, vol.75, 1997.

P. Le-neindre, Observations sur l'estimation de la production laitière des vaches allaitantes par pesée du veau avant et après la tétée, Ann. Zootech, vol.22, pp.413-422, 1973.

R. Littell, P. Henry, and C. Ammerman, Statistical analysis of repeated measures data using sas procedures, J. Anim. Sci, vol.76, pp.1216-1231, 1998.

H. Lopez, L. Satter, and M. Wiltbank, Relationship between level of milk production and estrous behavior of lactating dairy cows, Anim. Reprod. Sci, vol.81, pp.209-223, 2004.

A. Meikle, M. Kulcsar, Y. Chilliard, H. Febel, C. Delavaud et al., Effects of parity and body condition at parturition on endocrine and reproductive parameters of the cow, Reproduction, vol.127, pp.727-737, 2004.

M. Pedernera, S. Garcia, A. Horagadoga, I. Barchia, and W. Fulkerson, Energy balance and reproduction on dairy cows fed to achieve low or high milk production on a pasture-based system, J. Dairy Sci, vol.91, pp.3896-3907, 2008.
DOI : 10.3168/jds.2008-1098

M. Petit and J. Agabriel, Ruminant nutritionRecommended allowances and feed tables, John Libbey Eurotext, 1989.

. Rome, , pp.93-108

M. Petit, R. Jarrige, A. Russel, and I. Wright, Feeding and nutrition of the suckler cow, Beef cattle production, pp.191-208, 1992.

C. Ponsart, B. Khireddine, A. Ponter, P. Humblot, J. Mialot et al., Influence of the type of energy supply on lh secretion, follicular growth and response to estrus synchronization treatment in feed-restricted suckler beef cows, Theriogenology, vol.54, pp.1373-1387, 2000.

M. Richards, J. Spitzer, and M. Warner, Effect of varying levels of postpartum nutrition and body condition at calving on subsequent reproductive performance in beef cattle, 1986.

, J. Anim Sci, vol.62, pp.300-306

M. Richards, R. Wettemann, and H. Schoenemann, Nutritional anestrus in beef cows: Body weight change, body condition, luteinizing hormone in serum and ovarian activity, J. Anim Sci, vol.67, pp.1520-1526, 1989.

J. Robelin, Cellularity of bovine adipose tissues: Developmental changes from 15 to 65 percent mature weight, J. Lipid Res, vol.22, pp.452-457, 1981.

J. Robelin and J. Agabriel, Estimation of the fatness of live cattle from the size of their fat cells, Bulletin Technique, pp.37-41, 1986.

J. Robelin and L. Casteilla, Différentiation, croissance et développement du tissu adipeux, INRA Prod. Anim, vol.3, pp.243-252, 1990.

J. Roche, The effect of nutritional management of the dairy cow on reproductive efficiency, Anim. Reprod. Sci, vol.96, pp.282-296, 2006.

J. Roelofs, F. Lopez-gatius, R. Hunter, F. Van-eerdenburg, and C. Hanzen, When is a cow in estrus? Clinical and practical aspects, Theriogenology, vol.74, pp.327-344, 2010.

S. Sangsritavong, D. Combs, R. Sartori, L. Armentano, and M. Wiltbank, High feed intake increases liver blood flow and metabolism of progesterone and estradiol-17? in dairy cattle, J. Dairy Sci, vol.85, pp.2831-2842, 2002.

, Enterprise guide version 4.3, SAS Intitute Inc, 2010.

R. Scaramuzzi, H. Brown, and J. Dupont, Nutritional and metabolic mechanisms in the ovary and their role in mediating the effects of diet on folliculogenesis: A perspective, Reprod. Dom. Anim, vol.45, pp.32-41, 2010.

R. Scaramuzzi, D. Baird, B. Campbell, M. Driancourt, J. Dupont et al., Regulation of folliculogenesis and the determination of ovulation rate in ruminants, Reprod. Fertil. Dev, vol.23, pp.444-467, 2011.
URL : https://hal.archives-ouvertes.fr/hal-01129490

J. Schneider, Energy balance and reproduction, Physiology & Behavior, vol.81, pp.289-317, 2004.

L. Spicer, Leptin : A possible metabolic signal affecting reproduction, Domest. Anim. Endocrinol, vol.21, pp.251-270, 2001.

M. Velazquez, L. Spicer, and D. Wathes, The role of endocrine insulin-like groxth factor-i (igf-i) in female bovine reproduction, Domest. Anim. Endocrinol, vol.35, pp.325-342, 2008.

A. Villa-godoy, T. Hughes, R. Emery, E. Stanisiewski, and R. Fogwell, Influence of energy balance and body condition on estrus and estrous cycles in holstein heifers, J. Dairy Sci, vol.73, pp.2759-2765, 1990.

M. Wiltbank, H. Lopez, R. Sartori, S. Sangsritavong, and A. Gümen, Changes in reproductive physiology of lactating dairy cows due to elevated steroid metabolism, Theriogenology, vol.65, pp.17-29, 2006.

I. Wright, S. Rhind, T. Whyte, and A. Smith, Effects of body condition at calving and feeding level after calving on LH profiles and the duration of the postpartum anoestrus period in beef cows, Anim. Prod, vol.55, pp.41-46, 1992.