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| Ferro,Rafael Alves da Costa; França,Aldi Fernandes de Souza; Arnhold,Emmanuel; Bueno,Cláudia Peixoto; Ferro,Diogo Alves da Costa; Pales,Aracele Pinheiro; Santos,Klayto José Gonçalves dos; Silva,Bruna Paula Alves da. |
| ABSTRACT The objective of this study was to evaluate the influence of a synthetic progesterone ear implant on the behavior, physiological responses, and number of carcass injuries of Nellore females. Twenty-eight Nellore heifers with an average initial weight of 240.89 kg were used in the experiment. All animals received the same dietary management, in an intensive rearing system with mineral salt and water ad libitum. Heifers were distributed in a completely randomized design with two treatments (with and without progesterone ear implant) and seven replications, in 14 stalls. Analyses of variance and correlation were performed. In the evaluation of the feeding, rumination, rest, sleeping, social, and body-care behaviors, no significant differences were... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Animal performance; Ethology; Hormone; Norgestomet. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982016000700386 |
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