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| Costa, Carolina Floret; Arrigoni, Mário De Beni; Martins, Cyntia Ludovico; Sarti, Luís Marcelo Nave; Franzói, Maria Caroline Silva; Pereira, Ismael Castro. |
| This study aimed to evaluate the effects of diets supplemented with natural or rúmen-protected lipid source on plasma cortisol concentration, animal reactivity and stress of feedlot cattle. One hundred and twenty Nellore bulls (366.9 ± 28.7), male, raised on pasture were distributed in a completely randomized design with measures repeated over time. There were three treatments: Control - without additional fat source; GDESP - with natural fat source based on cottonseed by-products; and GPROT - with rúmen-protected polyunsaturated fat acid. Blood samples were collected before to boarding of animals (day 0) and after transport to the feedlot, on days 1, 3, 7 and 14. There was significant effect (p<0.05) between temperament and day of analysis, as well as... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Cortisol; Estresse; Lipídeos; Reatividade.. |
| Ano: 2016 |
URL: http://e-revista.unioeste.br/index.php/scientiaagraria/article/view/10902 |
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