Behavioural development in groups of pen‐housed pullets in relation to genetic strain, age and food form
作者： C. J. Savory , J. S. Mann
DOI: 10.1080/00071669708417938
关键词: Cannibalism 、 Feather pecking 、 Broiler 、 Body weight 、 Genetic strain 、 Anatomy 、 Animal science 、 Litter (animal) 、 Biology 、 Pecking order
摘要: Abstract 1. Behavioural development in groups of 8 pullets kept pens with litter floors, and fed on either mash or pellets, was studied from 0 to 10 weeks a White Leghorn X broiler (F2) hybrid line (experiment 1) 24 Hisex, Brown strains 2). The aim identify precursors feather pecking cannibalism. 2. Rates body weight gain were consistently greater pellets than both experiments. In experiment 2, the onset lay at 17 age 21 Leghorns 23 Leghorns. 3. Persistent pecking, which not seen 1, developed 2 12 (one Hisex one Leghorn, pellets) detail weeks. more damaging group followed by cannibalism same group. 4. Based (often inconsistent) effects genetic strain, food form behaviour diat o...
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