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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...
Present analysis showed that the production of poultry meat within the 1990s increased faster in comparison to the European Union and world development. However, the European integration carries certain risks. There are some delays in implementation of the EU standards, what may limit the trade in poultry products on the enlarged Community market. The automatic removal of duties and other barriers...
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