M. Boval, H. Archimède, J. Fleury, and A. Xandé, The ability of faecal nitrogen to predict digestibility for goats and sheep fed with tropical herbage, Journal of agricultural Science, vol.140, pp.443-450, 2003.
URL : https://hal.archives-ouvertes.fr/hal-02677671

M. Boval, D. B. Coates, P. Lecomte, V. Decruyenaere, and H. Archimède, Faecal near infrared reflectance spectroscopy (NIRS) to assess chemical composition, in vivo digestibility and intake of tropical grass by Creole cattle, Animal Feed Science and technology, vol.114, pp.19-29, 2004.

C. Demarquilly and M. Chenost, Etude de la digestion des fourrages dans le rumen par la méthode des sachets de nylon, liaison avec la valeur alimentaire, Annale de Zootechnie, vol.18, pp.419-436, 1969.

E. R. Leite and J. W. Stuth, Fecal NIRS equation to assess diet quality of free-ranging cattle, Small Ruminant research, vol.15, pp.223-230, 1995.

R. K. Lyons and J. W. Stuth, Fecal NIRS equations for predicting diet quality of freeranging cattle, Journal of range management, vol.45, pp.238-244, 1992.

D. J. Minson, Forage in Ruminant Nutrition, vol.483, 1990.

R. S. Park, F. J. Gordon, . E. Agnew-É-r, R. J. Barnes, and R. W. Steen, The use of near infrared reflectance spectroscopy on dried sample to predict chemical composition and digestibility parameters, Animal Feed Science and Technology, issue.68, pp.155-167, 1997.

E. L. Redshaw, G. W. Mathison, and R. D. Weisenburger, Near infrared refelctance spectroscopy for predicting forage composition and voluntary consumption and digestibility in cattle and sheep, Canadian journal of Animal Science, vol.66, pp.103-115, 1986.

. M. Tilleyj and R. A. Terry, A two-stage technique for in vitro digestion of forage crops, Journal of the BritishGrassland Society, vol.18, pp.104-111, 1963.