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STUDY ON EGG LAYING CHARACTERISTICS OF MUSCOVY DUCK (CAIRINA MOSHCATA) DEPENDING ON THE BREEDING METHOD

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Author(s): Matina NICKOLOVA

Journal: Journal of Central European Agriculture
ISSN 1332-9049

Volume: 5;
Issue: 4;
Start page: 359;
Date: 2005;
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Keywords: muscovy duck | biological breeding | egg laying characteristics

ABSTRACT
Study was conducted on egg laying productivity and egg fertility of Muscovy duck in conventional and biological breeding of the fowls. The higher biological degree in the breeding method has lead to signifi cantly higher values of all the studied characteristics: 4-week prolongation of the laying season, higher values in the laying peaks, greater egg weight (85.32 versus 78.36 g ***) and egg fertility (97.81 versus 96.18% *). Summer spells of hot weather and the high laying capacity in the peak did not exert a negative effect on the egg weight and fertility in biological breeding of the layers.
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