孙永学，教授，博士，硕士生与博士生导师，兼任国家兽药安全评价（环境评估）实验室（华南农大）副主任、中国畜牧兽医学会兽医药理毒理学分会常务理事、中国畜牧兽医学会动物毒物学分会常务理事、中国毒理学会兽医毒理学分会副主任委员、农业农村部第七届兽药评审咨询专家等。

主要从事兽医药理学与毒理学、兽药及添加剂的生态毒理学及风险评估、噬菌体相关研究（耐药性传播与治疗）。已主持各类课题20多项，包括主持国家自然科学基金3项，国际合作科研项目、广东省自然科学基金重点项目、公益性行业（农业）专项课题等多项，主要参与国家自然科学基金重点项目、国家“十一五”支撑计划、国家“973”计划项目、十三五国家重大专项等各类课题10多项。获广东省教学成果奖特等奖1项、广东省科学技术奖一等奖2项、全国农牧渔业丰收奖三等奖、广东省茂名市科学技术奖二等奖等各1项

已发表论文90多篇，SCI收录论文50余篇，获授权专利10项，主编全国执业兽医考试参考书9部、副主编《动物中毒病学》、《动物药品学概论》教材各1部、参译译著《兽医药理学与治疗学（第九版）》、参编《兽药手册》与全国统编教材《动物毒理学》各1部。

1987年07月－1992年06月  南京农业大学兽医系         本科生

1992年07月－1995年06月  华南农业大学动物医学系    硕士研究生

1998年07月－2003年06月  华南农业大学兽医学院       博士研究生

1995年7月至今  华南农业大学兽医学院任教

2012年晋升为教授，2017年评聘为博士生导师。

兽医药理学与毒理学；兽药及添加剂的生态毒理学与风险评估；噬菌体相关研究（耐药性传播与治疗）。

1. Fu lin Li , Ziru Zeng , Yixiao Wu , Yefan Wang , Lingyan Shen , Xingru Huang , Xue Wang , Yongxue Sun. Characteristics of microplastics in typical poultry farms and the association of environment microplastics colonized-microbiota, waterfowl gut microbiota, and antibiotic resistance genes. Journal of Hazardous Materials , 2025,490:137808.

2.Jinzhen Hao, Junxuan Zhang, Xiaolu He, Yefan Wang, Jinyang Su, Jiewen Long, Leyi Zhang, Zixing Guo, Yizhang Zheng, Mianzhi Wang, Yongxue Sun. Unveiling the silent threat: A comprehensive review of Riemerella anatipestifer – From pathogenesis to drug resistance. Poultry Science, 2025,104:104915.

3.Ruonan Zhao, Jiawei Ma, Shuqing Shen, Mei Wang, Yongxue Sun. Deciphering the effects of Paracoccus denitriffcans on fforfenicol degradation and microbial community in sediments. Aquaculture, 2025, 596:741662

4. Mei Wang，Yi Liang，Fulin Li，Shuqing Shen，Xinyu Huang，Yongxue Sun. Enhancement of biological denitrifica tion by the addition of novel sRNA Pda200 under antibiotic pressure. Bioresource Technology, 2022, 365 : 128113. （一区，IF 11.889）

5. Qin Zhou , Fengling Feng , Fu Lin Li, Junlin Liu , Mianzhi Wang , Shujian Huang , Yongxue Sun. Acylated homoserine lactones regulate the response of methane metabolism and nitrogen metabolism to florfenicol in anaerobic fermentation。Science of the Total Environment, 2022，832:155035 （二区，IF 10.753）

6. Junxuan Zhang, Xiaolu He, Shuqing Shen, Mengya Shi, Qin Zhou , Junlin Liu,Mianzhi Wang, Yongxue Sun. Effects of the Newly Isolated T4-like Phage on Transmission of Plasmid-Borne Antibiotic Resistance Genes via Generalized Transduction. Viruses, 2021, 13, 2070.

7. Mei Wang , Tong Zhou , Yi Liang , Ganwu Li , Yongxue Sun .Response characteristics of nirS-type denitrifier Paracoccus denitrificans under florfenicol stress. Ecotoxicology and Environmental Safety, 2021, 219:112355.

8. Qin Zhou, Tong Zhou, Fenglin Feng, Shujian Huang, Yongxue Sun. The response of copper resistance genes, antibiotic resistance genes, and intl1/2 to copper addition during anaerobic digestion in laboratory. Ecotoxicology and Environmental Safety, 2021, 210:111822.

9. Qin Zhou, Xiying Xie, Fengling Feng, Shujian Huang, Yongxue Sun. Impact of acyl-homoserine lactones on the response of nitrogen cycling in sediment to florfenicol stress. Science of the Total Environment, 2021, 785:147294

10. Mei Wang, Jing Wu, Tong Zhou, Yi Liang , Lixuan Zheng, Yongxue Sun. Effects of copper and florfenicol on nirS- and nirK-type denitrifier communities and related antibiotic resistance in vegetable soils[J]. Ecotoxicology and Environmental Safety, 2021, 213: 112011.

11. Mei Wang, Xiying Xie, Mianzhi Wang, Jing Wu, Qin Zhou, Yongxue Sun. The bacterial microbiota in florfenicol contaminated soils: The antibiotic resistome and the nitrogen cycle . Environmental Pollution, 2020, 259:113901.

12.Junlin Liu, Peng Liu, Fenglin Feng, Junxuan Zhang, Fulin Li, Mianzhi Wang , Yongxue Sun . Evaluation of Potential ARG Packaging by Two Environmental T7-Like Phage during Phage-Host Interaction. Viruses, 2020. 12(10): 1060.