Intake and ingestive behavior of lambs fed diets containing ammoniated buffel grass hay |
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Authors: | Alexandre Fernandes Perazzo Sansão de Paula Homem Neto Ossival Lolato Ribeiro Edson Mauro Santos Gleidson Giordano Pinto de Carvalho Juliana Silva de Oliveira Higor Fábio Carvalho Bezerra Fleming Sena Campos José Esler de Freitas Junior |
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Affiliation: | 1.Federal University of Bahia,Salvador,Brazil;2.Southwest State University of Bahia,Itapetinga,Brazil;3.Federal University of Bahia Reconcavo,Cruz das Almas,Brazil;4.Federal University of Paraíba,Areia,Brazil |
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Abstract: | This study aimed to evaluate the effect of diets with ammoniated buffel grass hay on the ingestive behavior of feedlot lambs. Thirty-two sheep of no defined breed with an average body weight of 17.7?±?1.8 kg were used. A completely randomized design with four treatments (0, 18, 36, and 54 g/kg dry matter (DM) basis) and eight repetitions was used. Ingestive behavior, rumination, and idle time were similar (P?>?0.05) among the diets containing ammoniated buffel grass hay, with mean values of 294.5, 554.44, and 594.25 min per day, respectively. Regarding the chews, all of the variables resulted in similar behavior (P?>?0.05). The quadratic effect (P?0.05) observed for daily intake can be explained based on the amount of DM and neutral detergent fiber (NDF) per meal per rumination. There was no effect of urea levels from the ammoniation (P?>?0.05) on the efficiency of DM and NDF consumption. However, the rumination efficiency of DM and NDF showed a quadratic effect (P?0.05). Thus, the use of ammoniated buffel grass hay with urea in lamb diet affects the ingestive behavior by increasing the rumination efficiency, increased intake, and feed utilization. |
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