Published in Scientific Papers. Series D. Animal Science, Vol. LXIII, Issue 1
Written by Katya ENEVA, Apostol APOSTOLOV, Radka NEDEVA, Gergana YORDANOVA
An evaluation based on performance tests was carried out on 639 male and female (castrated) animals from the Danube White breed in Agricultural Institute Shumen. The testing of animals was done at 90 kg live weight with the “Pig log 105” apparatus. Significant sources of specific variance in different levels of probability were established for line, year, sex and replacement animals. Significant effects of sublevels of the studied environmental factors were also established. The results, presented by us, emphasized the necessity of fixed trait evaluations and determination of their effects during the genetic evaluation of the Danube White population.
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