温氏WS501配套系母系种猪繁殖特性

The reproductive characteristics of breeding sows of the synthetic line WS501 in Wens

摘要: 温氏WS501配套系母系种猪源于清远原种猪场二区，本文对该猪场2014-2017年繁殖相关的数据进行统计及分析。通过10年的选育，其种母猪有发情早、情期多、长速快、开配日龄早和产仔数多的特性；种公猪有体型壮硕、长速快、精液量多、品质高的特性。结果可以为优良品种选育提供科学依据。

Abstract: Breeding sows of the synthetic line WS501 in Wens in this study were from the second area of Qingyuan breeding pig farm. In this paper, the breeding data of the pig farm from 2014 to 2017 were analyzed and its reproductive characteristics were discussed. After 10 years of breeding, the breeding sows had characteristics of early oestrus, more estrus cycle, fast growth, early mating age and large litter size; the breeding boars had characteristics of muscular body, fast growth, good semen quantity and quality. The results can provide scientific basis for breeding of fine breeds.