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  Genetic adaptation of white leghorn hens to life in single cages
 
 
Titel: Genetic adaptation of white leghorn hens to life in single cages
Auteur: Lowry, Dorothy C.
Abplanalp, H.
Verschenen in: British poultry science
Paginering: Jaargang 11 (1970) nr. 1 pagina's 117-131
Jaar: 1970-01
Inhoud: Specific adaptations of selected lines to their conditions of management were found for egg production, but not for several other traits, when hens of different selection histories were tested under both conditions. Floor selected sublines were superior to cage selected sublines in floor pens but inferior when both were tested in individual cages. The study involved three populations of two sublines in each of which selection for egg production had been practised over seven generations. Under one management birds from the three populations were intermingled in large floor pens; under the other, among individual cages. The role of social dominance as expressed in competition for food was explored. Floor selected hens were the more dominant in floor pens as well as in paired tests in cages.
Uitgever: Taylor & Francis
Bronbestand: Elektronische Wetenschappelijke Tijdschriften
 
 

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