The effects of environmental enrichment and beak-trimming during the rearing period on subsequent feather damage due to feather-pecking in laying hens
作者： K.M. Hartcher , K.T.N. Tran , S.J. Wilkinson , P.H. Hemsworth , P.C. Thomson
DOI: 10.3382/PS/PEV061
关键词: Feather pecking 、 Environmental enrichment 、 Plumage 、 Feather 、 Period (gene) 、 Litter (animal) 、 Beak 、 Pecking order 、 Biology 、 Animal science
摘要: This experiment investigated effects of environmental enrichment and beak-trimming during the rearing period on behavior in plumage damage later life. Treatments were applied a 2 × factorial arrangement. Half birds beak-trimmed at 1 d age using an infra-red laser. A follow-up light-trim was performed 11 wk with hot blade. Environmental consisted pecking strings, whole oats litter, greater litter depth. Sixteen pens 50 ISA Brown laying hens used. Four pullets selected from each pen as focal observed their home between 3 14 age. Plumage scored end 43. Beak-trimmed less ground-pecking (P = 0.003), severe feather-pecking 0.021) more gentle 0.018) than non-trimmed counterparts period. These also exhibited feather 43 < 0.001). The results indicate that is not related to when older. Additionally, higher rates may be predictive There no effect damage. It concluded while there enrichment, appeared effective reducing
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