[Experimental results on enterotoxigenic E.coli F18 receptor genotypes].
A total of 158 pigs of Yorkshire, Landrace and Duroc were selected from some swine breeding farms in Hunan province. The genotypes of enterotoxigenic E.coli F18 receptor were tested by PCR-RFLP. The results showed that the frequency of resistant genotype AA was 0.11,the frequencies of susceptibility genotype AG and GG were 0.35 and 0.54 respectively.
Shi
Qi-shun
QS
College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China. yqyzz@public.cs.hn.cn
Xie
Xin-min
XM
Liu
Xiao-chun
XC
Huang
Sheng-qiang
SQ
He
Chang-qing
CQ