舍饲与半舍饲绒山羊弓形虫感染的血清学调查比较

Comparison on the serological investigation in Toxoplasma gondii infection of cashmere goats in shed-feeding and in half shed-feeding

目的采用间接血凝试验检测技术对内蒙古某地区绒山羊舍饲与半舍饲条件下弓形虫感染进行血清学调查,以摸清弓形虫病在不同养殖模式下的流行规律。结果显示舍饲绒山羊阳性率为24.83%(32/149),血清凝集价范围为1∶64～1∶1024,其中1∶64的有22份,占59.5%;1∶256的有11份,占29.7%;1∶1024的有4份,占11.8%。而半舍饲绒山羊阳性感染率为1.25%(1/80),血清凝集价为1∶64。结果表明舍饲与半舍饲绒山羊弓形虫感染情况存在差异。

In order to ascertain the epidemic regularity of toxoplasmosis and to offer necessary data for the cashmere goats husbandry in shed-feeding or in half shed-feeding, the indirect haemagglutination test（IHA）was used to investigate the epidemic situation of Toxoplasraa gondii infection in some areas of Inner Mongolia. The results showed that the positive rate was 24.83 %（37/149）with titers ranging from 1 ： 64 to 1 ： 1 024 in the shed-feeding animals. Among of them, 22 samples（59. 5%）were 1 ： 64, 11 samples（29.7%）were 1 ： 256 and 4 samples（11.8%）were 1 ： 1024. But there were only 1 positive sample from 80 goats in half shed-feeding and its titer was 1 ： 64. It indicates that the infection rate of T. gondii of cashmere goats are different in shed-feeding and in half shed-feeding.