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- [1] Characterization and analysis of an infectious bronchitis virus strain isolated from southern China in 2013VIROLOGY JOURNAL, 2016, 13Xu, Gang论文数: 0 引用数: 0 h-index: 0机构: China Agr Univ, Coll Vet Med, Key Lab Anim Epidemiol & Zoonosis, Minist Agr, 2 Yuanmingyuan West Rd, Beijing 100193, Peoples R China China Agr Univ, Coll Vet Med, Key Lab Anim Epidemiol & Zoonosis, Minist Agr, 2 Yuanmingyuan West Rd, Beijing 100193, Peoples R ChinaLiu, Xiao-Yu论文数: 0 引用数: 0 h-index: 0机构: China Agr Univ, Coll Vet Med, Key Lab Anim Epidemiol & Zoonosis, Minist Agr, 2 Yuanmingyuan West Rd, Beijing 100193, Peoples R China China Agr Univ, Coll Vet Med, Key Lab Anim Epidemiol & Zoonosis, Minist Agr, 2 Yuanmingyuan West Rd, Beijing 100193, Peoples R ChinaZhao, Ye论文数: 0 引用数: 0 h-index: 0机构: China Agr Univ, Coll Vet Med, Key Lab Anim Epidemiol & Zoonosis, Minist Agr, 2 Yuanmingyuan West Rd, Beijing 100193, Peoples R China China Agr Univ, Coll Vet Med, Key Lab Anim Epidemiol & Zoonosis, Minist Agr, 2 Yuanmingyuan West Rd, Beijing 100193, Peoples R ChinaChen, Yang论文数: 0 引用数: 0 h-index: 0机构: China Agr Univ, Coll Vet Med, Key Lab Anim Epidemiol & Zoonosis, Minist Agr, 2 Yuanmingyuan West Rd, Beijing 100193, Peoples R China China Agr Univ, Coll Vet Med, Key Lab Anim Epidemiol & Zoonosis, Minist Agr, 2 Yuanmingyuan West Rd, Beijing 100193, Peoples R ChinaZhao, Jing论文数: 0 引用数: 0 h-index: 0机构: China Agr Univ, Coll Vet Med, Key Lab Anim Epidemiol & Zoonosis, Minist Agr, 2 Yuanmingyuan West Rd, Beijing 100193, Peoples R China China Agr Univ, Coll Vet Med, Key Lab Anim Epidemiol & Zoonosis, Minist Agr, 2 Yuanmingyuan West Rd, Beijing 100193, Peoples R ChinaZhang, Guo-Zhong论文数: 0 引用数: 0 h-index: 0机构: China Agr Univ, Coll Vet Med, Key Lab Anim Epidemiol & Zoonosis, Minist Agr, 2 Yuanmingyuan West Rd, Beijing 100193, Peoples R China China Agr Univ, Coll Vet Med, Key Lab Anim Epidemiol & Zoonosis, Minist Agr, 2 Yuanmingyuan West Rd, Beijing 100193, Peoples R China
- [2] Molecular characterization of an infectious bronchitis virus strain isolated from northern China in 2012Archives of Virology, 2014, 159 : 3457 - 3461Ye Zhao论文数: 0 引用数: 0 h-index: 0机构: China Agricultural University,Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, College of Veterinary MedicineXiao-yu Liu论文数: 0 引用数: 0 h-index: 0机构: China Agricultural University,Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, College of Veterinary MedicineJin-long Cheng论文数: 0 引用数: 0 h-index: 0机构: China Agricultural University,Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, College of Veterinary MedicineYan-ping Wu论文数: 0 引用数: 0 h-index: 0机构: China Agricultural University,Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, College of Veterinary MedicineGuo-zhong Zhang论文数: 0 引用数: 0 h-index: 0机构: China Agricultural University,Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, College of Veterinary Medicine
- [3] Molecular characterization of an infectious bronchitis virus strain isolated from northern China in 2012ARCHIVES OF VIROLOGY, 2014, 159 (12) : 3457 - 3461Zhao, Ye论文数: 0 引用数: 0 h-index: 0机构: China Agr Univ, Coll Vet Med, Key Lab Anim Epidemiol & Zoonosis, Minist Agr, Beijing 100193, Peoples R China China Agr Univ, Coll Vet Med, Key Lab Anim Epidemiol & Zoonosis, Minist Agr, Beijing 100193, Peoples R ChinaLiu, Xiao-yu论文数: 0 引用数: 0 h-index: 0机构: China Agr Univ, Coll Vet Med, Key Lab Anim Epidemiol & Zoonosis, Minist Agr, Beijing 100193, Peoples R China China Agr Univ, Coll Vet Med, Key Lab Anim Epidemiol & Zoonosis, Minist Agr, Beijing 100193, Peoples R ChinaCheng, Jin-long论文数: 0 引用数: 0 h-index: 0机构: China Agr Univ, Coll Vet Med, Key Lab Anim Epidemiol & Zoonosis, Minist Agr, Beijing 100193, Peoples R China China Agr Univ, Coll Vet Med, Key Lab Anim Epidemiol & Zoonosis, Minist Agr, Beijing 100193, Peoples R ChinaWu, Yan-ping论文数: 0 引用数: 0 h-index: 0机构: China Agr Univ, Coll Vet Med, Key Lab Anim Epidemiol & Zoonosis, Minist Agr, Beijing 100193, Peoples R China China Agr Univ, Coll Vet Med, Key Lab Anim Epidemiol & Zoonosis, Minist Agr, Beijing 100193, Peoples R ChinaZhang, Guo-zhong论文数: 0 引用数: 0 h-index: 0机构: China Agr Univ, Coll Vet Med, Key Lab Anim Epidemiol & Zoonosis, Minist Agr, Beijing 100193, Peoples R China China Agr Univ, Coll Vet Med, Key Lab Anim Epidemiol & Zoonosis, Minist Agr, Beijing 100193, Peoples R China
- [4] Characterization of an avian infectious bronchitis virus isolated in China from chickens with nephritisJOURNAL OF VETERINARY MEDICINE SERIES B-INFECTIOUS DISEASES AND VETERINARY PUBLIC HEALTH, 2004, 51 (04): : 147 - 152Zhou, JY论文数: 0 引用数: 0 h-index: 0机构: Zhejiang Univ, Inst Prevent Vet Med, Hangzhou 310029, Peoples R China Zhejiang Univ, Inst Prevent Vet Med, Hangzhou 310029, Peoples R ChinaZhang, DY论文数: 0 引用数: 0 h-index: 0机构: Zhejiang Univ, Inst Prevent Vet Med, Hangzhou 310029, Peoples R China Zhejiang Univ, Inst Prevent Vet Med, Hangzhou 310029, Peoples R ChinaYe, JX论文数: 0 引用数: 0 h-index: 0机构: Zhejiang Univ, Inst Prevent Vet Med, Hangzhou 310029, Peoples R China Zhejiang Univ, Inst Prevent Vet Med, Hangzhou 310029, Peoples R ChinaCheng, LQ论文数: 0 引用数: 0 h-index: 0机构: Zhejiang Univ, Inst Prevent Vet Med, Hangzhou 310029, Peoples R China Zhejiang Univ, Inst Prevent Vet Med, Hangzhou 310029, Peoples R China
- [5] Molecular characterization of an infectious bronchitis virus strain isolated from an outbreak in vaccinated layersAVIAN DISEASES, 2000, 44 (04) : 1000 - 1006Wang, XQ论文数: 0 引用数: 0 h-index: 0机构: Univ Connecticut, Dept Pathobiol, Storrs, CT 06269 USA Univ Connecticut, Dept Pathobiol, Storrs, CT 06269 USAKhan, MI论文数: 0 引用数: 0 h-index: 0机构: Univ Connecticut, Dept Pathobiol, Storrs, CT 06269 USA Univ Connecticut, Dept Pathobiol, Storrs, CT 06269 USA
- [6] Epidemiology and characterization of avian infectious bronchitis virus strains circulating in southern China during the period from 2013–2015Scientific Reports, 7Keyu Feng论文数: 0 引用数: 0 h-index: 0机构: South China Agricultural University,College of Animal ScienceFeng Wang论文数: 0 引用数: 0 h-index: 0机构: South China Agricultural University,College of Animal ScienceYu Xue论文数: 0 引用数: 0 h-index: 0机构: South China Agricultural University,College of Animal ScienceQingfeng Zhou论文数: 0 引用数: 0 h-index: 0机构: South China Agricultural University,College of Animal ScienceFeng Chen论文数: 0 引用数: 0 h-index: 0机构: South China Agricultural University,College of Animal ScienceYingzuo Bi论文数: 0 引用数: 0 h-index: 0机构: South China Agricultural University,College of Animal ScienceQingmei Xie论文数: 0 引用数: 0 h-index: 0机构: South China Agricultural University,College of Animal Science
- [7] Distribution and molecular characterization of avian infectious bronchitis virus in southern ChinaPOULTRY SCIENCE, 2021, 100 (07)Lian, Jiamin论文数: 0 引用数: 0 h-index: 0机构: South China Agr Univ, Coll Anim Sci, Guangdong Prov Anim Virus Vector Vaccine Engn Tec, Guangzhou 510642, Peoples R China South China Agr Univ, Coll Anim Sci, Guangdong Prov Anim Virus Vector Vaccine Engn Tec, Guangzhou 510642, Peoples R ChinaWang, Zhanxin论文数: 0 引用数: 0 h-index: 0机构: Wens Foodstuffs Grp Co Ltd, Wens Grp Acad, Xinxing 527400, Guangdong, Peoples R China South China Agr Univ, Coll Anim Sci, Guangdong Prov Anim Virus Vector Vaccine Engn Tec, Guangzhou 510642, Peoples R ChinaXu, Zhouyi论文数: 0 引用数: 0 h-index: 0机构: Wens Foodstuffs Grp Co Ltd, Wens Grp Acad, Xinxing 527400, Guangdong, Peoples R China South China Agr Univ, Coll Anim Sci, Guangdong Prov Anim Virus Vector Vaccine Engn Tec, Guangzhou 510642, Peoples R ChinaChen, Tong论文数: 0 引用数: 0 h-index: 0机构: South China Agr Univ, Coll Anim Sci, Guangdong Prov Anim Virus Vector Vaccine Engn Tec, Guangzhou 510642, Peoples R China South China Agr Univ, Coll Anim Sci, Guangdong Prov Anim Virus Vector Vaccine Engn Tec, Guangzhou 510642, Peoples R ChinaShao, Guanming论文数: 0 引用数: 0 h-index: 0机构: South China Agr Univ, Coll Anim Sci, Guangdong Prov Anim Virus Vector Vaccine Engn Tec, Guangzhou 510642, Peoples R China South China Agr Univ, Coll Anim Sci, Guangdong Prov Anim Virus Vector Vaccine Engn Tec, Guangzhou 510642, Peoples R ChinaZhang, Xinheng论文数: 0 引用数: 0 h-index: 0机构: South China Agr Univ, Coll Anim Sci, Guangdong Prov Anim Virus Vector Vaccine Engn Tec, Guangzhou 510642, Peoples R China Key Lab Hlth Anim Husb & Environm Control Guangdo, Guangzhou 510642, Guangdong, Peoples R China South China Agr Univ, Coll Anim Sci, Guangdong Prov Anim Virus Vector Vaccine Engn Tec, Guangzhou 510642, Peoples R ChinaQin, Jianping论文数: 0 引用数: 0 h-index: 0机构: Wens Foodstuffs Grp Co Ltd, Wens Grp Acad, Xinxing 527400, Guangdong, Peoples R China South China Agr Univ, Coll Anim Sci, Guangdong Prov Anim Virus Vector Vaccine Engn Tec, Guangzhou 510642, Peoples R ChinaXie, Qingmei论文数: 0 引用数: 0 h-index: 0机构: South China Agr Univ, Coll Anim Sci, Guangdong Prov Anim Virus Vector Vaccine Engn Tec, Guangzhou 510642, Peoples R China Key Lab Hlth Anim Husb & Environm Control Guangdo, Guangzhou 510642, Guangdong, Peoples R China South China Agr Univ, Coll Anim Sci, Guangdong Prov Anim Virus Vector Vaccine Engn Tec, Guangzhou 510642, Peoples R ChinaLin, Wencheng论文数: 0 引用数: 0 h-index: 0机构: South China Agr Univ, Coll Anim Sci, Guangdong Prov Anim Virus Vector Vaccine Engn Tec, Guangzhou 510642, Peoples R China Key Lab Hlth Anim Husb & Environm Control Guangdo, Guangzhou 510642, Guangdong, Peoples R China South China Agr Univ, Coll Anim Sci, Guangdong Prov Anim Virus Vector Vaccine Engn Tec, Guangzhou 510642, Peoples R China
- [8] Complete Genome Sequence of a Nephropathogenic Infectious Bronchitis Virus Strain Isolated in ChinaGENOME ANNOUNCEMENTS, 2013, 1 (05)Yang, Jing-tian论文数: 0 引用数: 0 h-index: 0机构: Mianyang Normal Univ, Ecol Secur & Protect Key Lab Sichuan Prov, Mianyang, Peoples R China Mianyang Normal Univ, Ecol Secur & Protect Key Lab Sichuan Prov, Mianyang, Peoples R ChinaMa, Bing-cun论文数: 0 引用数: 0 h-index: 0机构: Mianyang Normal Univ, Ecol Secur & Protect Key Lab Sichuan Prov, Mianyang, Peoples R China Mianyang Normal Univ, Ecol Secur & Protect Key Lab Sichuan Prov, Mianyang, Peoples R China
- [9] Epidemiology and characterization of avian infectious bronchitis virus strains circulating in southern China during the period from 2013-2015SCIENTIFIC REPORTS, 2017, 7Feng, Keyu论文数: 0 引用数: 0 h-index: 0机构: South China Agr Univ, Coll Anim Sci, Guangzhou 510642, Guangdong, Peoples R China Minist Agr, Key Lab Chicken Genet Breeding & Reprod, Guangzhou 510642, Guangdong, Peoples R China South China Agr Univ, Coll Anim Sci, Guangzhou 510642, Guangdong, Peoples R ChinaWang, Feng论文数: 0 引用数: 0 h-index: 0机构: Guangdong Wens Foodstuff Grp Co LTD, Guangdong Enterprise Key Lab Anim Hlth & Environm, Yunfu 527439, Peoples R China South China Agr Univ, Coll Anim Sci, Guangzhou 510642, Guangdong, Peoples R ChinaXue, Yu论文数: 0 引用数: 0 h-index: 0机构: Guangdong Wens Foodstuff Grp Co LTD, Guangdong Enterprise Key Lab Anim Hlth & Environm, Yunfu 527439, Peoples R China South China Agr Univ, Coll Anim Sci, Guangzhou 510642, Guangdong, Peoples R ChinaZhou, Qingfeng论文数: 0 引用数: 0 h-index: 0机构: Guangdong Wens Foodstuff Grp Co LTD, Guangdong Enterprise Key Lab Anim Hlth & Environm, Yunfu 527439, Peoples R China South China Agr Univ, Coll Anim Sci, Guangzhou 510642, Guangdong, Peoples R ChinaChen, Feng论文数: 0 引用数: 0 h-index: 0机构: South China Agr Univ, Coll Anim Sci, Guangzhou 510642, Guangdong, Peoples R China Key Lab Anim Hlth Aquaculture & Environm Control, Guangzhou 510642, Guangdong, Peoples R China South China Agr Univ, Coll Anim Sci, Guangzhou 510642, Guangdong, Peoples R ChinaBi, Yingzuo论文数: 0 引用数: 0 h-index: 0机构: South China Agr Univ, Coll Anim Sci, Guangzhou 510642, Guangdong, Peoples R China Minist Agr, Key Lab Chicken Genet Breeding & Reprod, Guangzhou 510642, Guangdong, Peoples R China Key Lab Anim Hlth Aquaculture & Environm Control, Guangzhou 510642, Guangdong, Peoples R China South China Agr Univ, Coll Anim Sci, Guangzhou 510642, Guangdong, Peoples R ChinaXie, Qingmei论文数: 0 引用数: 0 h-index: 0机构: South China Agr Univ, Coll Anim Sci, Guangzhou 510642, Guangdong, Peoples R China Minist Agr, Key Lab Chicken Genet Breeding & Reprod, Guangzhou 510642, Guangdong, Peoples R China Key Lab Anim Hlth Aquaculture & Environm Control, Guangzhou 510642, Guangdong, Peoples R China South China Collaborat Innovat Ctr Poultry Dis Co, Guangzhou 510640, Guangdong, Peoples R China South China Agr Univ, Coll Anim Sci, Guangzhou 510642, Guangdong, Peoples R China
- [10] Molecular Characterization Analysis of Prevalent Infectious Bronchitis Virus and Pathogenicity Assessment of Recombination Strain in ChinaFRONTIERS IN VETERINARY SCIENCE, 2022, 9Wu, Zhiqiang论文数: 0 引用数: 0 h-index: 0机构: South China Agr Univ, Coll Anim Sci, Heyuan Branch, Guangdong Prov Lab Lingnan Modern Agr Sci & Techno, Guangzhou, Peoples R China South China Agr Univ, Coll Anim Sci, Heyuan Branch, Guangdong Prov Lab Lingnan Modern Agr Sci & Techno, Guangzhou, Peoples R ChinaFang, Huanxin论文数: 0 引用数: 0 h-index: 0机构: Wens Foodstuffs Grp Co Ltd, Wens Grp Acad, Xinxing, Peoples R China South China Agr Univ, Coll Anim Sci, Heyuan Branch, Guangdong Prov Lab Lingnan Modern Agr Sci & Techno, Guangzhou, Peoples R ChinaXu, Zhouyi论文数: 0 引用数: 0 h-index: 0机构: Wens Foodstuffs Grp Co Ltd, Wens Grp Acad, Xinxing, Peoples R China South China Agr Univ, Coll Anim Sci, Heyuan Branch, Guangdong Prov Lab Lingnan Modern Agr Sci & Techno, Guangzhou, Peoples R ChinaLian, Jiamin论文数: 0 引用数: 0 h-index: 0机构: South China Agr Univ, Coll Anim Sci, Heyuan Branch, Guangdong Prov Lab Lingnan Modern Agr Sci & Techno, Guangzhou, Peoples R China Guangdong Engn Res Ctr Vector Vaccine Anim Virus, Guangzhou, Peoples R China South China Agr Univ, Coll Anim Sci, Heyuan Branch, Guangdong Prov Lab Lingnan Modern Agr Sci & Techno, Guangzhou, Peoples R ChinaXie, Zi论文数: 0 引用数: 0 h-index: 0机构: South China Agr Univ, Coll Anim Sci, Heyuan Branch, Guangdong Prov Lab Lingnan Modern Agr Sci & Techno, Guangzhou, Peoples R China Guangdong Engn Res Ctr Vector Vaccine Anim Virus, Guangzhou, Peoples R China South China Agr Univ, Coll Anim Sci, Heyuan Branch, Guangdong Prov Lab Lingnan Modern Agr Sci & Techno, Guangzhou, Peoples R ChinaWang, Zhanxin论文数: 0 引用数: 0 h-index: 0机构: Wens Foodstuffs Grp Co Ltd, Wens Grp Acad, Xinxing, Peoples R China South China Agr Univ, Coll Anim Sci, Heyuan Branch, Guangdong Prov Lab Lingnan Modern Agr Sci & Techno, Guangzhou, Peoples R ChinaQin, Jianpin论文数: 0 引用数: 0 h-index: 0机构: Wens Foodstuffs Grp Co Ltd, Wens Grp Acad, Xinxing, Peoples R China South China Agr Univ, Coll Anim Sci, Heyuan Branch, Guangdong Prov Lab Lingnan Modern Agr Sci & Techno, Guangzhou, Peoples R ChinaHuang, Benli论文数: 0 引用数: 0 h-index: 0机构: South China Agr Univ, Coll Anim Sci, Heyuan Branch, Guangdong Prov Lab Lingnan Modern Agr Sci & Techno, Guangzhou, Peoples R China Guangdong Engn Res Ctr Vector Vaccine Anim Virus, Guangzhou, Peoples R China South China Agr Univ, Coll Anim Sci, Heyuan Branch, Guangdong Prov Lab Lingnan Modern Agr Sci & Techno, Guangzhou, Peoples R ChinaFeng, Keyu论文数: 0 引用数: 0 h-index: 0机构: South China Agr Univ, Coll Anim Sci, Heyuan Branch, Guangdong Prov Lab Lingnan Modern Agr Sci & Techno, Guangzhou, Peoples R China Guangdong Engn Res Ctr Vector Vaccine Anim Virus, Guangzhou, Peoples R China South China Agr Univ, Coll Anim Sci, Heyuan Branch, Guangdong Prov Lab Lingnan Modern Agr Sci & Techno, Guangzhou, Peoples R ChinaZhang, Xinheng论文数: 0 引用数: 0 h-index: 0机构: South China Agr Univ, Coll Anim Sci, Heyuan Branch, Guangdong Prov Lab Lingnan Modern Agr Sci & Techno, Guangzhou, Peoples R China Guangdong Engn Res Ctr Vector Vaccine Anim Virus, Guangzhou, Peoples R China South China Collaborat Innovat Ctr Poultry Dis Con, Guangzhou, Peoples R China South China Agr Univ, Coll Anim Sci, Key Lab Anim Hlth Aquaculture & Environm Control, Guangzhou, Peoples R China South China Agr Univ, Coll Anim Sci, Heyuan Branch, Guangdong Prov Lab Lingnan Modern Agr Sci & Techno, Guangzhou, Peoples R ChinaLin, Wencheng论文数: 0 引用数: 0 h-index: 0机构: South China Agr Univ, Coll Anim Sci, Heyuan Branch, Guangdong Prov Lab Lingnan Modern Agr Sci & Techno, Guangzhou, Peoples R China Guangdong Engn Res Ctr Vector Vaccine Anim Virus, Guangzhou, Peoples R China South China Collaborat Innovat Ctr Poultry Dis Con, Guangzhou, Peoples R China South China Agr Univ, Coll Anim Sci, Key Lab Anim Hlth Aquaculture & Environm Control, Guangzhou, Peoples R China South China Agr Univ, Coll Anim Sci, Heyuan Branch, Guangdong Prov Lab Lingnan Modern Agr Sci & Techno, Guangzhou, Peoples R ChinaLi, Hongxin论文数: 0 引用数: 0 h-index: 0机构: South China Agr Univ, Coll Anim Sci, Heyuan Branch, Guangdong Prov Lab Lingnan Modern Agr Sci & Techno, Guangzhou, Peoples R China Guangdong Engn Res Ctr Vector Vaccine Anim Virus, Guangzhou, Peoples R China South China Collaborat Innovat Ctr Poultry Dis Con, Guangzhou, Peoples R China South China Agr Univ, Coll Anim Sci, Key Lab Anim Hlth Aquaculture & Environm Control, Guangzhou, Peoples R China South China Agr Univ, Coll Anim Sci, Heyuan Branch, Guangdong Prov Lab Lingnan Modern Agr Sci & Techno, Guangzhou, Peoples R ChinaChen, Weiguo论文数: 0 引用数: 0 h-index: 0机构: South China Agr Univ, Coll Anim Sci, Heyuan Branch, Guangdong Prov Lab Lingnan Modern Agr Sci & Techno, Guangzhou, Peoples R China Guangdong Engn Res Ctr Vector Vaccine Anim Virus, Guangzhou, Peoples R China South China Collaborat Innovat Ctr Poultry Dis Con, Guangzhou, Peoples R China South China Agr Univ, Coll Anim Sci, Key Lab Anim Hlth Aquaculture & Environm Control, Guangzhou, Peoples R China South China Agr Univ, Coll Anim Sci, Heyuan Branch, Guangdong Prov Lab Lingnan Modern Agr Sci & Techno, Guangzhou, Peoples R ChinaXie, Qingmei论文数: 0 引用数: 0 h-index: 0机构: South China Agr Univ, Coll Anim Sci, Heyuan Branch, Guangdong Prov Lab Lingnan Modern Agr Sci & Techno, Guangzhou, Peoples R China Guangdong Engn Res Ctr Vector Vaccine Anim Virus, Guangzhou, Peoples R China South China Collaborat Innovat Ctr Poultry Dis Con, Guangzhou, Peoples R China South China Agr Univ, Coll Anim Sci, Key Lab Anim Hlth Aquaculture & Environm Control, Guangzhou, Peoples R China South China Agr Univ, Coll Anim Sci, Heyuan Branch, Guangdong Prov Lab Lingnan Modern Agr Sci & Techno, Guangzhou, Peoples R China