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Estimation of variance components is a method often used in population genetics and applied in animal breeding. Even experienced population geneticists nowadays feel lost if confronted with the huge s...
Improvement of animals based on breeding work is a set of activities aiming to obtain individuals with fi xed and desired traits. It is not possible to explicitly defi ne the best traits even in comme...
Some indexes of the recovery period of Muscovy ducklings after caecectomy have been studied. It’ established, that the birds recover the water intake 9 hours, the excreting- 12-15 hours after and the ...
A review of the methods for balanced experiments for establishing of the metabolizable energy and the amino acids digestibility for waterfowl has been made. Systemizing the former experience in this f...
The biochemical indexes “glycogen in liver” and “ketones in blood” of 0-108 hours feed deprived (according to methods for balanced experiments) 22-24 weeks old Muscovy ducklings with and without energ...
At a pig progeny testing station growth and production traits were examined in 38 pigs (20 animals of Large White /LW/ breed, 18 animals of Large White breed – paternal line /LWp/) using methodical in...

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