Colleges & Faculties

I. Personal information

Prof. Guo is the coordinator of the International Animal Recording Committee in China, a member of the Expert Committee of the National Beef Cattle Breed Genetic Improvement Program, one of the executive members of the Cattle Branch of the Chinese Association of Animal Husbandry and Veterinary Medicine, and secretary-general of the  Professional Committee for Animal Recording of the National Animal Husbandry Science and Technology Innovation Alliance.

Jinjin Tong, Ph.D, Associate Professor, Master’s Supervisor.
Faculty member at the College of Animal Science and Technology, Beijing University of Agriculture (BUA). Dr. Tong is a council member of the Veterinary Surgery Branch of the Chinese Association of Animal Science and Veterinary Medicine and a member of the Animal Nutrition Branch of the same association. She serves as a peer reviewer for the National Natural Science Foundation of China (NSFC) and several international journals, including Animal Nutrition and International Journal of Biological Macromolecules. Her research focuses on animal nutrition and health, functional natural products, and chitosan-based biomaterials for disease prevention and control. She has led multiple national and provincial research projects, including NSFC-funded programs, and has published over 40 peer-reviewed papers in high-impact journals.

II. Research interests

Animal nutrition and health, regulation of gut microbiota and metabolic homeostasis, and development of functional natural products and chitosan-based biomaterials for disease prevention and control.

Her research also focuses on the application of plant-derived bioactive compounds and nanotechnology-based delivery systems in livestock and companion animals, with an emphasis on improving immune function, mitigating oxidative stress, and promoting sustainable and antibiotic-free farming strategies.

III. Research Projects

She has presided over several national and provincial research projects, among which the most important are:

1. National Natural Science Foundation of China (General Program): Mechanisms of chitosan nanoparticles in alleviating periparturient mammary oxidative stress in dairy cows via the Nrf2–ARE signaling pathway (2023–2026).

2. National Natural Science Foundation of China (Young Scientists Fund): Regulatory effects and molecular mechanisms of chitooligosaccharide hydrogels on mammary immune function during the dry period in dairy cows (2018–2020).

3. China Postdoctoral Science Foundation (64th General Program): Mechanistic study on MAPK/NF-κB signaling pathway in regulating mammary gland remodeling during the dry period of dairy cows (2019–2021).

4. China Postdoctoral International Exchange Program (Academic Exchange Project) (2019–2020).

5. Beijing Postdoctoral Research Foundation: Regulation of MAPK/NF-κB signaling pathway by chitooligosaccharide hydrogels in the mammary gland of dairy cows during the dry period (2018–2020).

IV. Major Achievements

She has published more than 40 peer-reviewed articles and obtained multiple provincial and national-level awards, among which the most important are:

(1) Major prize-winning achievements

1. Smart Livestock Pioneer: Intelligent Precision Farming for Yuyukou Agro-Science Town, Grand Prize, “Qingchuang Beijing” – 2025 “Challenge Cup” Beijing College Students’ Extracurricular Academic Science and Technology Competition (2025).

2. Smart Pet, Second Prize, 15th National College Student E-commerce “Innovation, Creativity and Entrepreneurship” Challenge (2025).

3. Intelligent Management System for Precision Livestock Feeding, Second Prize, Beijing Division of the China International College Student Innovation Competition (2024).

4. Thinking Pet: Fully Automated Intelligent Pet Health Butler, Bronze Award (Supervisor), China International College Student Innovation Competition (2023).

5. Outstanding Innovation and Entrepreneurship Mentor, Beijing Division of the 9th China International “Internet+” College Student Innovation and Entrepreneurship Competition (2023).

(2) Representative works

1. Experimental Course of Livestock Environmental Hygiene (2nd Edition), a “13th Five-Year Plan” textbook for higher education, China Agricultural University Press, October 2021.

2. Companion Animal Nutrition and Health, Editor-in-Chief, China Agriculture Press, January 2025.

(3) Representative papers

1. Tong J, Liu Z, Zhou K, Wang K, Guo S, Zhang H. 2025. Thermosensitive bovine lactoferricin-loaded chitosan hydrogels for sustained antibacterial release: An alternative to antibiotics for treating bovine mastitis. Int. J. Biol. Macromol. 303:140673.

2. Zhang C, Guo S, Ye L, Tong J, Jiang L. 2024. Chitosan-derivative nanoparticles loaded with dihydromyricetin: Characterization, antibacterial and antioxidant activities. Carbohydr. Polym. Technol. Appl. 8:100532.

3. Chang K, Fan K, Zhang H, Wu Q, Zhang Y, Wang L, Chen H, Tong J, Cui D. 2024. Fuzhengjiedu San inhibits porcine reproductive and respiratory syndrome virus by activating the PI3K/AKT pathway. PLoS ONE 19(5):e0283728.

4. Zhang C, Zhao Y, Guo S, Li F, Gong X, Gao J, Jiang L, Tong J. 2024. Comparison of lipidome profiles in serum from lactating dairy cows supplemented with Acremonium terrestris culture based on UPLC-QTRAP-MS/MS. BMC Biotechnol. 24:56.

5. He R, Gao S, Yao H, Zhao Z, Tong J, Zhang H. 2023. Mechanism of metabolic response to hepatectomy by integrated analysis of gut microbiota, metabolomics, and proteomics. Microbiol. Spectr. 11(3):1–18.

6. Tong J, Ji X, Zhang H, Xiong B, Cui D, Jiang L. 2022. The analysis of the ubiquitylomic responses to Streptococcus agalactiae infection in bovine mammary gland epithelial cells. J. Inflamm. Res. 15:4331–4343.

7. Tong J, Sun Y, Wang Z, Cui D, Jiang L. 2022. Evaluation of biological mechanisms of artemisinin on bovine mammary epithelial cells by integration of network pharmacology and TMT-based quantitative proteomics. Front. Pharmacol. 13:968149.

8. Zhang H, Wang Z, Yao H, Jiang L, Tong J. 2022. Intramammary infusion of matrine-chitosan hydrogels for treating subclinical bovine mastitis—effects on milk microbiome and metabolites. Front. Microbiol. 13:950231.

9. Tong J, Hou X, Cui D, Chen W, Yao H, Xiong B, Cai L, Zhang H, Jiang L. 2022. A berberine hydrochloride-carboxymethyl chitosan hydrogel protects against Staphylococcus aureus infection in a rat mastitis model. Carbohydr. Polym. 278:1–10.

10. Zhan J, Shen Y, Li X, Zhang H, Niu H, Fang L, Xiong B, Tong J, Jiang L. 2021. Microbiome and metabolic changes of milk in response to dietary supplementation with bamboo leaf extract in dairy cows. Front. Nutr. 8:1–15.

(4) Authorized Patents

1. Automatic Pet Feeder (ZL202221009676.3), Jinjin Tong et al., first inventor.

2. Feeder (Companion Animal Health Butler) (ZL202230673273.8), Jinjin Tong et al., first inventor.

3. Chitosan Nanoparticles Loaded with Bovine Lactoferricin and Their Preparation Method, and a Freeze-Dried Powder (ZL202110662798.6), Jinjin Tong et al., first inventor.

4. Chitosan Nanoparticles and Their Preparation Method (ZL202110662807.1), Jinjin Tong et al., second inventor.

5. Berberine Hydrochloride–Matrine–Carboxymethyl Chitosan Composite Hydrogel and Its Preparation Method and Application (ZL201910985450.3), Jinjin Tong et al., second inventor.

V. Contact information

Postal address: College of Animal Science and Technology, Beijing University of Agriculture, No. 7, Beinong Road, Huilongguan, Changping, Beijing, 102206

Contact number: 010-81798091

Email: tongjinjin0451@163.com