INGESTIVE BEHAVIOR OF STEERS FINISHED ON FEEDLOT FED WITH SOYBEAN SOPASTOCK
DOI:
https://doi.org/10.1590/cab19028150Keywords:
Animal NutritionAbstract
This study aimed to evaluate the effects of soybean sopastock inclusion on the ingestive behavior of 30 crossbred Charolais / Nellore steers on feedlot, at 20 moths of age and with initial average weight of 328.3 kg. Each experimental group was composed by six animals, distributed into treatments: 00; 30; 60; 90 and 120 g of soybean soapstock per 1,000 g of dry mater in the diet. Each treatment contained 29.0; 47.35; 66.6; 86.8 and 106.8 g of ether extract, respectively. The increase of soybean soapstock in diet did not interfere with feeding, rumination, and idle times (3.11; 13.33 and 7.55 hours, respectively). The variables number of chews per bolus, time of chew per bolus, number of daily chews and total chew time (h/day) (62; 58; 470; 28,978 and 10.65, respectively) also were not affected by the treatments. Dry matter intake was similar among treatments; however, neutral detergent fiber intake (kg/day) and the efficiency of this fraction (g FDN/h) decreased linearly with the inclusion of soybean soapstock to diet. Therefore, the inclusion of soybean soapstock did not change the ingestive behavior of steers, and it can be used in diets of crossbred steers in feedlot up to the level of 120 g per 1000 g of dry matter.Keywords: daily activities; dry matter intake; ether extract; soybean hull.
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Published
2018-07-04
How to Cite
MARIAN CALLEGARO, Álisson; CELESTINO ALVES FILHO, D.; DAMIAN PIZZUTI, L. Ângelo; RUMPEL SEGABINAZZI, L.; LUIZ BRONDANI, I.; MACHADO MARTINI, A. P. INGESTIVE BEHAVIOR OF STEERS FINISHED ON FEEDLOT FED WITH SOYBEAN SOPASTOCK. Brazilian Animal Science/ Ciência Animal Brasileira, Goiânia, v. 19, p. 1–12, 2018. DOI: 10.1590/cab19028150. Disponível em: https://revistas.ufg.br/vet/article/view/e-28150. Acesso em: 21 nov. 2024.
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ZOOTECNIA
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