Associative effects between Arachis pintoi and dwarf elephantgrass hays on nutritional value in sheep - INRAE - Institut national de recherche pour l’agriculture, l’alimentation et l’environnement Accéder directement au contenu
Article Dans Une Revue Animal Production Science Année : 2018

Associative effects between Arachis pintoi and dwarf elephantgrass hays on nutritional value in sheep

Résumé

The aim of the present study was to evaluate the effect of including different levels of peanut (Arachis pintoi cv. Amarillo) hay (167 and 572 g/kg dry matter (DM) of crude protein and neutral detergent fibre respectively) on the nutritional value of diets based on dwarf elephantgrass (Pennisetum purpureum Shum, cv. Kurumi) hay (98 and 668 g/kg DM of crude protein and neutral detergent fibre respectively). Peanut hay was included in the proportions of 0.0, 0.33, 0.66 and 1.00 of total diet DM. Eight Texel x Suffolk crossbred wethers provided with duodenal cannula were assigned to the treatments in a replicated 4 x 4 Latin-square experiment. The organic matter (OM) intake increased linearly (P < 0.05) and the total apparent OM digestibility decreased linearly (P < 0.001) with an increasing inclusion of legume. The nitrogen (N) intake and N urinary excretion increased linearly (P < 0.05), whereas linear and quadratic responses were significant for digestible OM intake, N retention, and for the efficiency of rumen microbial protein synthesis. Cubic positive responses were significant (P < 0.05) for duodenal flow of total N, non-ammonia-N and rumen microbial-N. The inclusion of A. pintoi in dwarf elephantgrass-based diets improved the nutrient supply to sheep, but no additive effect was observed as a result of increasing the peanut proportion in the mixed diet.
Fichier non déposé

Dates et versions

hal-02622915 , version 1 (26-05-2020)

Identifiants

Citer

Aline C. Dall-Orsoletta, T. Reiter, G.V. Kozloski, Vincent Niderkorn, Henrique M. N. Ribeiro-Filho. Associative effects between Arachis pintoi and dwarf elephantgrass hays on nutritional value in sheep. Animal Production Science, 2018, 58, pp.894-899. ⟨10.1071/AN15864⟩. ⟨hal-02622915⟩
18 Consultations
0 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More