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Influence of low-stress handling on reactivity score and pregnancy rate during fixed-time artificial insemination in Nellore cows
Provedor de dados: Revista Brasileira de Zootecnia
Autores: Tirloni,Rayf Roberto; Rocha,Fábio Alcântara; Lourenço,Fábio José; Martins,Lílian Rigatto.
The objective of this work was to evaluate the influence of low-stress handling (LSH) on reactivity score and pregnancy rate during fixed-time artificial insemination (FTAI) for extensively raised Nellore cows. Multiparous cows (n = 126) were randomly allocated into two groups: G1 (n = 66) and G2, the control group (n = 60). Group G1 was subjected to LSH, in which the animals were handled in a calm and quiet manner, without loud noises or physical aggression, using the point of balance, respecting the flight zone and using flags to supplement handling. Group G2 was handled following the typical procedure, with yelling, kicking and the use of electric prods and sticks. On D0, D8 and D10, FTAI was performed in both groups. Reactivity was scored on D0, D8 and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bos indicus cattle; Conception; Reaction; Reproduction; Stress.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982013000700002