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Revista Brasileira de Saúde e Produção Animal

versão On-line ISSN 1519-9940


GRANDIS, Fernando Augusto et al. Performance, nutrient intake and ingestive behavior of lambs fed with different levels of soybean cake in replacement of soybean meal. Rev. bras. saúde prod. anim. [online]. 2015, vol.16, n.3, pp.558-570. ISSN 1519-9940.

The objective of this study was to evaluate the effect of replacing soybean meal by soybean cake in diets for feedlot Santa Ines lambs, evaluating performance, nutrient intake, ingestive behavior and biometric measures. Thirty intact males were used, weighing 23.63 ± 2.44kg, distributed randomly in five treatments, with 6 animals each, with the treatments being the levels of substitution of soybean meal for soybean cake, by 0; 25; 50; 75 and 100%. The ingestive behavior was assessed by visual observations every 10 minutes, during 24 hours. No significant effects were found on the parameters of performance, DM intake, and ingestive behavior. The average daily weight gain was 312,73g, and the average dry matter intake was 1,44kg/day. The inclusion of soybean cake led to a significant linear increase in ether extract intake in grams/day, in percentage of body weight and in percentage of metabolic weight. Cubic effects were observed in the parameters of acid detergent fiber intake. The rumination, feed intake and idleness time observed were 425,85; 194,50 e 789,29 min/day, respectively. Regarding biometric measurements, there was no significant effect of replacing soybean meal with soybean cake. The soybean cake can be used in replacement of soybean meal, but is important to pay attention on the content of residual lipids present in this byproduct of the biodiesel industry.

Palavras-chave : biodiesel; byproduct; feedlot; sheep.

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