Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 427383
Title Reducing stocking density improves behaviour in broilers breeders
Author(s) Jong, I.C. de; Gunnink, H.; Emous, R.A. van; Lourens, A.
Source In: ISAE 2012. Proceedings of the 46th Congress of the International Society for Applied Ethology. Quality of life in designed environments?. - - p. 54 - 54.
Event 46th Congress of the International Society for Applied Ethology (ISAE), 2012-07-31/2012-08-04
Department(s) LR - Backoffice
Publication type Contribution in proceedings
Publication year 2012
Abstract Broiler breeder males often show rough behaviour towards females during mating, which may cause fear and feather and skin damage in the females. Our hypothesis was that the high stocking density applied under commercial conditions hampers correct learning and performance of mating behaviour. Broiler breeders (Ross 308) were housed at standard stocking density (14 females/m2 or 8 males/m2 during rearing, 8 birds/m2 during production) or low stocking density (7 females/m2 or 5 males/m2 during rearing, 5 birds/m2 during production) from day 1 to 60 weeks of age. Standard management was applied. During production there were 10% males per group and group size was 150 birds. The experiment was of a 2 x 2 factorial design, resulting in 4 treatment groups: SL (standard stocking density during rearing, low stocking density during production), SS, LS and LL; N=8 groups/treatment. Behaviour and plumage condition were scored during rearing and production. In particular stocking density during production affected mating behaviour. LL and SL groups had more successful copulations at all ages (e.g., 0.51, 0.33, 0.22, 0.21 successful copulations/male/5 min at 30 weeks for LL, SL, SS, LS; P
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