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Heritability of and genetic correlations among production and reproduction traits as well as genetic trends over eight years of selection were estimated in W11 (maternal) and W33 (paternal) lines of geese. Considered was body weight on week 8 (BW8) and week 11 (BW11), number of eggs produced (EP), egg weight (EW), percentage of fertility (PFE), and percentage of hatchability from eggs fertilized (PHC)...
Body weight is one of the most important traits in any genetic improvement program in geese for at least 2 reasons. First, measurements of the trait are very easy. Second, body weight is correlated with a number of other meat performance traits. However, the genetic background of body weight shows considerable complexity. Three genetic models (with direct, maternal genetic and permanent maternal environmental...
Due to the considerable content of oleic, linoleic, linolenic and arachidonic acids goose fat is considered the safest animal fat. Geese raised on grassland (pastures) and fed diverse feeds consume more polyunsaturated fatty acids (PUFA) than poultry maintained under a closed rearing system, fed standard feeds, low in linolenic acid and PUFA and high in saturated fatty acids. In consequence, the meat...
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