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Heritability of behavior and the effect of social combination, cage type and genetic stock on behavior, productivity and well-being of White Leghorn-type laying hens

, : Heritability of behavior and the effect of social combination, cage type and genetic stock on behavior, productivity and well-being of White Leghorn-type laying hens. Annual Research Report, Centre for Genetic Improvement of Livestock, University of Guelph: 39

The offspring of sires from 2 commercial fowl stocks mated with dams from from a non-commercial stock were observed for fear-related behaviour, viz. peeping behaviour in social isolation at 2 days of age and behavioural responses in an open field at 17 wk. The sire stocks differed in their effect on tendency to peep. No significant hsuperscript 2s for peeping were found for sires within stocks, but for dams the hsuperscript 2 of peeping was 0.46+or-0.21.

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