Gautschi C, Gaillard C
Institute of Animal Breeding, University of Berne, Switzerland.
Anim Genet. 1990;21(2):161-70. doi: 10.1111/j.1365-2052.1990.tb03221.x.
The effects of the swine lymphocyte antigen (SLA) system on different performance traits were investigated in Swiss pig breeds. Litter size and piglet weight at birth and at weaning were considered and in gilts the average daily weight gain, backfat and muscle thickness as well as percentage valuable cuts were measured. These data were analysed with least squares procedures. Although the effect of SLA on these traits was very small, a few haplotypes seemed to have some influence. Sows of the Large White breed carrying H12 had a significant smaller and those with H24 had a bigger litter size at weaning. Some mating studies were performed to investigate the effects of SLA homozygosity. The obtained results suggest that this has a negative effect on the litter size, especially when H19 in the Large White breed and H7 in Landrace are involved.
在瑞士猪品种中研究了猪淋巴细胞抗原（SLA）系统对不同生产性能性状的影响。考虑了产仔数以及出生和断奶时仔猪的体重，对后备母猪测定了平均日增重、背膘厚度、肌肉厚度以及优质切块的比例。这些数据采用最小二乘法进行分析。尽管SLA对这些性状的影响非常小，但少数单倍型似乎有一定影响。携带H12的大白猪品种母猪断奶时产仔数显著较少，而携带H24的母猪产仔数较多。进行了一些交配研究以调查SLA纯合性的影响。所得结果表明，这对产仔数有负面影响，特别是当涉及大白猪品种中的H19和长白猪中的H7时。
