Investigation and analysis of Giardia lamblia infection in calves in Ningxia
The purpose of the study was to understand the infection of Giardia lamblia in calves in Ningxia.470 feces samples of calves were collected from 16 large-scale cattle farms in five cities,and the BG gene loci were detected and analyzed by Nest PCR.The results showed that the total positive rate of Giardia lamblia was 16.17%(76/470),the highest positive rate was 33.33%(14/42)in Guyuan,and the lowest positive rate was 6.25%(3/48)in Shizuishan.The positive rate of cattles before and after weaning were 18.78%(40/213)and 14.01%(36/257),respectively.The aggregates carried by Giardia lamblia in positive samples are all aggregates E.The study indicated that there was no significant difference in the positive rate of Giardia lamblia between lactating and weaning calves in Ningxia,but the positive rate of Giardia lamblia was higher in Guyuan beef cattle feeding area,and aggregate E was the main subtype of calves in the area.
NETL
NSTL
万方数据
