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Results of selection of the principal pig breeds in the People's Republic of Bulgaria using progeny testing. 1. Fattening performance


, : Results of selection of the principal pig breeds in the People's Republic of Bulgaria using progeny testing. 1. Fattening performance. Zhivotnov"dni Nauki 13(1): 31-38

Data were obtained at progeny testing stations in 1965-1971. For 4938 Large White, 7360 Bulgarian White and 1443 Landrace pigs resp., daily gain from 30 to 96 kg body weight averaged 629, 627 and 619 g, and consumption of FU/kg gain 4.40, 4.52 and 4.60, differences between Landraces and the 2 other breeds being significant.

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