Antiviral effect of hypericin on foot-and-mouth virus in vitro
wang shu-yang~1; yang lin-xi~1; liang jian-ping~2; cui ying~2; shang ruo-feng~2(1. college of basical medicine; lanzhou university; lanzhou 730000; china; 2. lanzhou institute of animal science and veterinary pharmaceutics; chinese academy of agricultural sciences; lanzhou 730050; china)

..............page:310-314

Research progress of hemagglutinin gene of avian influenza virus
yang zhi-gang; chen a-qin; yu song-dong; fang wei-huan(college of animal science; zhejiang university; hangzhou 310029; china)

..............page:322-326

Effects of sodium nitroprusside on voltage-gated K~+ channels of bronchial smooth muscle cells from canine distemper model dogs
chen yun~1; bai ai-quan~1; wang kai~1; chi jing-feng~1; feng jian~2; guan li~(3); lian zhi-cheng~(3)(1. foshan college of science and technology; foshan 528200; china; 2. sun yat-sen university; guangzhou 510080; china; 3. guangzhou university of chinese traditional medicine; guangzhou 510014; china)

..............page:294-297

Development of PCR assay for diagnosing swine toxoplasmosis
xie de-hua~1; zhu xing-quan~1; cui huan-lin~2; qiu chu-ji~2; fan wan-hong~(3); liao shen-quan~1; zhai min-li~1; lin rui-qing~1; weng ya-biao~1(1. college of veterinary medicine; south china agricultural university; guangzhou 510642; china; 2. guangzhou guangsanbao animal husbandry ltd.; zengcheng 511365; china; 3. center of inspection and quarantine techniques for animals and plants; shenzhen entry-exit inspection and quarantine bureau; shenzhen 518045; china)

..............page:289-293

Influence of different avian red blood cells on detection of HI antibody against avian influenza
zhang ping-hu; tang ying-hua; qiu xu-sheng; xue feng; cao yong-zhong; gao song; liu xiu-fan(key laboratory of animal infectious diseases; ministry of agriculture; yangzhou university; yangzhou 225009; china)

..............page:267-271

Expression and identification of minor subunit FedF of fimbriae F18 of Escherichia coli
cheng da-rong; xu jian-sheng; ding ai-yun; sun huai-chang; gao song(college of veterinary medicine; yangzhou university; yangzhou 225009; china)

..............page:272-276

Changes of NO and effect of aminoguanidine on NO level in goats with endotoxemia
li ying; tang zhao-xin; xiang rui-ping; huang xing-qiang(college of veterinary medicine; south china agricultural university; guangzhou 510642; china)

..............page:306-309

Effect of sodium butyrate on structure of small intestine mucous epithelium in weaning piglets
wang ji-feng~1; chen yao-xing~1; wang zi-xu~1; dong shu-hong~1; lai zhou-wen~2(1. college of veterinary medicine; china agricultural university; beijing 100094; china; 2. singao agribusiness development co.; ltd; xiamen 361006; china)

..............page:298-301

Prokaryotic expression of three single-residue variants of bovine prion protein
chen jian-hua~1; wu run~1; liu xiang-tao~2; chen hao-tai~2(1. college of veterinary medicine; gansu agricultural university; lanzhou 730070; china; 2.key laboratory of animal virology; ministry of agriculture/lanzhou veterinary research institute; chinese academy of agricultural sciences; lanzhou 730046; china)

..............page:245-250

Immunoadjuvants and their application to genetic vaccines
guo hui-chen; sun shi-qi; liu zai-xin(lanzhou veterinary research institute; chinese academy of agricultural sciences; lanzhou 730046; china)

..............page:315-321

Development of indirect immunofluorescent assay to detect porcine reproductive and respiratory syndrome virus
peng chang-ling; gao song; liu xiu-fan(key laboratory of animal infectious disease; ministry of agriculture/yangzhou university; yangzhou 225009; china)

..............page:256-260

Development of latex agglutination test to detect antigens of Muscovy duck reovirus
wang quan-xi~1; wu yi-jian~1; chen zhi-hua~2; li guo-ping~1; wu bao-cheng~1(1. college of animal science; fujian agricultural and forestry university; fuzhou 350002; china; 2. fujian entry-exit inspection and quarantine bureau; fuzhou 350001; china)

..............page:284-288

Study on purification and renaturation conditions of recombinant E2 proteins of classical swine fever virus
hu hui~(1; 2); qiu chang-qing~1; zhang yan-ming~2(1. key laboratory of animal virology; ministry of agriculture/lanzhou veterinary research institute; chinese academy of agricultural sciences; lanzhou 730046; china; 2. college of animal science and technology; northwest sci-tech university of agriculture and forestry; yangling 712100; china)

..............page:251-255

Development of PCR method for detection of aminoglycoside resistance genes of Escherichia coli and Salmonella
ma meng-gen~1; wang hong-ning~2; yu yong~(3); li cheng-zhong~2; zhang dong~(3); yang yun-fei~2; xing kun~3; liu shi-gui~1(1. college of life science; sichuan university; chengdu 610064; china; 2. college of animal science and technology; sichuan agricultural university; ya an 625014; china; 3. sichuan provincial general station of epizootic prevention and supervision; chengdu 610041; china)

..............page:277-283

Study on liver cell apoptosis caused by subchronic cadmium toxication and selenium antagonism in chickens
jiang cheng-yu~(1 ); li jun-wei~2; xiong yong-zhong~(3); wang ji-hai~4; luo gong-ping~5; you xuan~5; zhang zi-qun~5; li jin-long~4; xu shi-wen~4(1. suifenhe entry-exit inspection and quarantine bureau; suifenhe 157300; china; 2. agricultural bureau of jianhua district; qiqihar; heilongjiang; qiqihar 161000; china; 3. harbin veterinary research institute; chinese academy of agricultural sciences; harbin 150001; china; 4. northeast agricultural university; harbin 150030; china; 5. heilongjiang inspection and quarantine bureau; harbin 150001; china )

..............page:302-305

Genetic variation analysis of major structural protein genes of PRRSV in swine from Guangdong Province
wang xu-rong~(1; 2 ); song chang-xu~2; yang zeng-qi~1; wang gang~2; li chun-ling~2; wang gui-ping~2; huang zhong~2; zhu wei-guo~(1; 2)(1. northwest sci-tech university of agriculture and forestry; yangling 712100; china; 2. institute of veterinary medicine; guangdong academy of agricultural sciences; guangzhou 510640; china)

..............page:261-266