Phenotypic and genetic parameters of the reproductive performance traits in Spotted Zlotnicka pure breed sows
1993
Lewczuk, A. | Grudniewska, B. | Janiszewska, M. | Soltysik, M. (Akademia Rolniczo-Techniczna, Olsztyn (Poland))
Data of 300 sows Zlotnicka Spotted purebreds, were analysed. The highest correlation between the liveborn and weaned piglet number in the second parity and the litter weight in the third and fourth parity was stated. The high and positive phenotypic and genetic correlation coefficients intra litter were estimated
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