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Evaluated were the meat production traits of hybrid males and females derived from four-way (threebreed) crossing of Graylag (Gr), White Kołuda (WK) and Slovakian (Sl) geese. Parental males and females were similar within a group, but differed between groups in the direction (type) of crossing the parents. The greatest values of meat production traits, except for meat and fat content of carcass,were...
Analysed were 8-week-old males and females of duck paternal strains A44 and A55. The in vivo weights of meat and fat with skin were estimated based on live body weight, breast bone length and breast muscle thickness. Heritability coefficients for meat production traits and genetic and phenotypic correlations between them were calculated. Carcasses were measured and dissected. In breast and leg muscles...
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