ANALYSIS OF MAJOR COMPONENTS ON REPRODUCTIVE TRAITS OF LANDRACE PIGS
The reproductive traits for 6733 litters of Landrace pigs were analysed by the major components methods. The results showed that 9 reproductive traits were combined into 3 individual major components and the accumulating contribution rate was 81.9%, which couldbasically reflect the information of the original index.
Landrace pig, reproductive traits, analysis of major components.