Efficiency of use of pigs, bred in Lithuania, in hybridization system

Boars of Landrace, Duroc and Pietrain breeds had positive influence on the vitality of delivered hybrids. Better growth of hybrids is defined in these combinations, where boars of Duroc breed were used. According to the data of Piglog 105, crossbreds of Yorkshire and Pietrain distinguished by the biggest muscularity (59.0%), and the least muscularity was indicated among crossbreds of Yorkshire, Landrace and Duroc (three breeds) and of Lithuanian White and Landrace (53.5 and 54.4% respectively). Lowest muscularity was indicated namely among hybrids of the combinations, having the highest daily gain. Combinations of hybridization, recommended in Lithuania, are presented in the table 1