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Mesquite pod meal in diets for Santa Inês sheep: ingestive behavior
Taiala Cristina de Jesus Pereira, Mara Lúcia Albuquerque Pereira, Paulo José Presídio Almeida, César Augusto Ramos Pereira, Alana Batista dos Santos, Edileusa de Jesus dos Santos;
Acta Scientiarum. Animal Sciences 2013 35(2)
Resumen
Inglés Portugués
This study aimed to evaluate the ingestive behavior of sheep fed increasing levels of mesquite pod meal (0, 15, 30 and 45% in total dry matter diet), replacing grass silage elephant. Eight noncastrated Santa Inês sheep with average weight of 32 kg were divided into two 4 x 4 Latin squares, each lasting 15 days. The sheep were submitted to visual observation every ten minutes, for 24 hours, in the 13th day of each experimental period. There was no significant regression (p > 0.05) relative to the time spent on feeding, rumination and resting, depending on the levels of substitution of mesquite pod meal. The average time spent on feeding, rumination and resting was 5.64, 10.88 and 8.8h day-1, respectively. There was a positive linear effect (p < 0.05) regarding the levels of replacement of elephant grass silage by mesquite pod meal on dry matter intake (DMI), neutral detergent fiber intake (NDFI), feeding efficiency of DM, rumination efficiency of DM, rumination efficiency of NDF. The use of observation intervals of up to 30 minutes does not alter the assessment of time spent on feeding, rumination and resting.

Palabras clave: Ethology; Elephant grass silage; Feeding efficiency; Prosopis juliflora
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Universidad Autónoma del Estado de México
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