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pro vyhledávání: '"Ugwumba C. Isaac"'
Autor:
Ugwumba C. Isaac, Reginald J. Nosike, Jonas Ezea, Helen C. Ezejesi, Benedethe N. Ezenyilimba, Sylvester N. Ibe
Publikováno v:
International Journal of Agriculture, Environment and Bioresearch. :90-102
Heritability of growth traits was studied at 2, 10 and 20 weeks using 531 day-old unsexed crossbred chickens belonging to six genotypes. Heritability estimates were obtained from variance components of sire ( ), dam ( ) and sire plus dam ( ) by analy
Autor:
Ugwumba C. Isaac, Chinelo A. Igbokwe, Nneoma J. Okafor, Chiamaka F. Aniemena, Jennifer C. Albert, Blessing C. Nwachukwu
Publikováno v:
Malaysian Animal Husbandry Journal. 2:29-33
A 2-week (2,4) records of body weight (BW), body length (BL), keel length (KL), breast girth (BG), wing length (WL), wing span (WS), thigh circumference (TC), shank length (SL) and principal component of body size (PC1) were used to study repeatabili