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Details van artikel 7 van 9 gevonden artikelen
| Titel: |
Handling, Electric Goad, and Head Restraint: Effects on Calves' Behavior |
| Auteur: |
Goonewardene, Laksiri A. Price, Mick A. Stookey, Joseph M. Day, Phyllis A. Minchau, Gary |
| Verschenen in: |
Journal of applied animal welfare science |
| Paginering: | Jaargang 3 (2000) nr. 1 pagina's 5-22 |
| Jaar: |
2000-01-01 |
| Inhoud: |
Ninety-six weaned calves (48 bulls and 48 heifers) were allocated in a 2 ×2 ×2 arrangement to 3 treatments each with 2 levels: calves handled every 10 days or 20 days; an electric goad used or not used; and head gate restrained or not restrained. Behavior responses were measured by 5 incremental progressive force requirement (PFR) categories and transit time (TT). The PFRs were transformed to maximum force scores (MFS) for analysis (Snell, 1964). TT was the time taken for calves to move 11 m along a chute. During the study, 52%, 36%, 5%, 3%, and 5% of the cattle were observed in Categories 1, 2, 3, 4, and 5, respectively. Cattle handled every 10 days showed a 36.0% higher MFS (p < .03) and a 24.5% higher TT (p < .02) than cattle handled every 20 days. The MFS and TT for head gate-restrained calves were 33.0% (p < .03) and 15.5% higher (p < .02), respectively, compared to calves not restrained in the head gate. Cattle developed a reluctance to frequent handling early in the study and an aversion to head gate restraint midway. The aversion was pronounced when calves were handled frequently and head gate restrained simultaneously. Handling, goad, and head gate restraint had no effect (p > .05) on weight gain. The aversion to the head gate was more pronounced in bulls than in heifers. Cattle habituated well to frequent handling, but when combined with a head hold they became more difficult to handle. Management practices such as restraining cattle in the head gate should be done infrequently, thereby improving the welfare of calves. |
| Uitgever: |
Routledge |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 7 van 9 gevonden artikelen
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