title: Intake and ingestive behavior of lambs fed diets containing ammoniated buffel grass hay.
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.
authors.affiliation: Federal University of Bahia, Salvador, BA, 40170-110, Brazil. alexandreperazzo@hotmail.com.
authors.forename: Alexandre Fernandes
authors.initials: AF
authors.lastname: Perazzo
authors.affiliation: Southwest State University of Bahia, Itapetinga, Bahia, 45700-000, Brazil.
authors.forename: Sansão
authors.initials: S
authors.lastname: de Paula Homem Neto
authors.affiliation: Federal University of Bahia Reconcavo, Cruz das Almas, Bahia, 44380-000, Brazil.
authors.forename: Ossival Lolato
authors.initials: OL
authors.lastname: Ribeiro
authors.affiliation: Federal University of Paraíba, Areia, Paraíba, 58397-000, Brazil.
authors.forename: Edson Mauro
authors.initials: EM
authors.lastname: Santos
authors.affiliation: Federal University of Bahia, Salvador, BA, 40170-110, Brazil.
authors.forename: Gleidson Giordano Pinto
authors.initials: GG
authors.lastname: de Carvalho
authors.affiliation: Federal University of Paraíba, Areia, Paraíba, 58397-000, Brazil.
authors.forename: Juliana Silva
authors.initials: JS
authors.lastname: de Oliveira
authors.affiliation: Federal University of Paraíba, Areia, Paraíba, 58397-000, Brazil.
authors.forename: Higor Fábio Carvalho
authors.initials: HF
authors.lastname: Bezerra
authors.affiliation: Federal University of Bahia, Salvador, BA, 40170-110, Brazil.
authors.forename: Fleming Sena
authors.initials: FS
authors.lastname: Campos
authors.affiliation: Federal University of Bahia, Salvador, BA, 40170-110, Brazil.
authors.forename: José Esler
authors.initials: JE
authors.lastname: de Freitas Junior
mesh_terms: D000821:Animal Feed / Q000032:analysis; D000818:Animals; D001835:Body Weight; D031741:Cenchrus; D004032:Diet / Q000662:veterinary; D004043:Dietary Fiber; D004063:Digestion; D004435:Eating / Q000187:drug effects*; D005247:Feeding Behavior / Q000187:drug effects*; D008460:Meat; D011897:Random Allocation; D012756:Sheep; D034561:Sheep, Domestic / Q000523:psychology*; D014508:Urea / Q000008:administration & dosage*
chemical_list: D004043:Dietary Fiber; D014508:Urea
keywords: Efficiency; Feeding activities; Idle; Rumination