Phenotypic correlations between reproductive characteristics related to litter and reproductive cycle length in sows
The study estimated phenotypic correlations between reproductive traits in sows classified as maternal (Polish Large White, Polish Landrace, and Yorkshire) and paternal (Duroc, Berkshire, and Hampshire) components, kept on farms located in Poland and in the United States.Altogether, it used data on 736 litters from 196 sows to analyse traits relate