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Prairie Swine Centre is an affiliate of the University of Saskatchewan


Prairie Swine Centre is grateful for the assistance of the George Morris Centre in developing the economics portion of Pork Insight.

Financial support for the Enterprise Model Project and Pork Insight has been provided by:



Author(s): Oden K;Berg C;Gunnarsson S;Algers B;
Publication Date: January 1, 2004
Reference: , vol. 87: pp. 83-94.

Summary:

Male dominance, space use and eventual female attachment to certain males were studied by direct observations of male and focal female birds. Males were present at an average ratio of 1:190 females and density was 7 birds/m2. The birds were observed for territorial, sexual and agonistic behaviours as well as daytime and night time roost locations. Rank order was determined based on crowings and matings. It was found that high-ranking males used the most available space, and there was a positive correlation between male rank order and space use. However, most of the males used more than half of the area. Maintenance of the dominance hierarchy was primarily maintained by low-ranking males avoiding high-ranking males. There did not appear to be a strong female attachment to specific males.

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