2006, 23(6):7-8.
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2006, 23(6):12-12.
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2006, 23(6):13-14.
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2006, 23(6):26-27.
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2006, 23(6):28-30.
摘要:The immunohistochemistry was used to study the distribution of prion protein in dairy cattle reproductive system. The result showed the placenta and the uterus showed high level of expression, the fallopian tube showed moderate level of expression in cows; the spermary and spermary appendix showed high level of expression in bulls, other organs presented negative. This suggested that there is normal prion protein existing in these organs. The purpose of the study is to investigate the distribution of prion protein in dairy cattle reproductive system in order to know the prion transmit route and to provide basic data on prion spread.
范伟兴 , 钟旗 , 何倩倪 , 吴冬玲 , 蔡一飞 , 赵智香
2006, 23(6):31-33.
摘要:430 serum samples from cattle and sheep were detected by Bengal test(RBT) with antigens from four manufactures in China, resulting in no identical results. The iELISA and cELISA kits for brucellosis from Canadian Brucellosis Reference Lab were used to evaluate the serological methods of RBT and standard tube agglutination(SAT)commonly used in diagnosing brucellosis in China. The RBT, SAT, iELISA and cELISA in detecting the infected cattle, almost obtained the same results (consistency rate was 85%), but SAT and RBT had higher false positive rate (about 15%) and false negative rate (about 10%). The data suggested that RBT screening test could be used in the field, and the positive results should be further confirmed by cELISA.
2006, 23(6):34-37.
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2006, 23(6):46-46.
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2006, 23(6):49-50.
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2006, 23(6):51-51.
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