Publishers: University of Zagreb, Faculty of Agriculture, Zagreb, Croatia | Slovak University of Agriculture in Nitra, Faculty of Agrobiology and Food Resources, Nitra, Slovakia | Hungarian University of Agriculture and Life Sciences, Georgikon Campus, Keszthely, Hungary | Agricultural University Plovdiv, Plovdiv, Bulgaria | University of South Bohemia, Faculty of Agriculture and Technology, České Budějovice, Czech Republic | Bydgoszcz University of Science and Technology, Bydgoszcz, Poland | University of Agricultural Sciences and Veterinary Medicine, Cluj - Napoca, Romania | University of Kragujevac, Faculty of Agronomy Čačak, Čačak, Serbia | Agricultural Institute of Slovenia, Ljubljana, Slovenia
STUDY ON EGG LAYING CHARACTERISTICS OF MUSCOVY DUCK (CAIRINA MOSHCATA) DEPENDING ON THE BREEDING METHOD
2004, 5 (4) p. 359-366
Matina NICKOLOVA
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.
Keywords
muscovy duck, biological breeding, egg laying characteristics
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