Highly reproducible mastitis challenge model for dry cows
Introducing a three-phase mastitis challenge model for dry cows, utilizing high-virulence pathogen strains to ensure reproducibility and precision. The model includes detailed infection strategies and risk control measures, offering a robust platform for mastitis research.
Overview
This solution presents a highly reproducible mastitis challenge model specifically designed for dry cows. Developed based on an established mammary gland infection platform, this model employs a three-phase strategy to accurately simulate infection using high-virulence strains such as E. coli, S. aureus, and S. uberis. The model is aimed at enhancing research into mastitis by providing a controlled, predictable environment for testing immune responses and potential treatments.
Technical specifications
Key features:
- Utilizes pre-validated high-virulence strains from a clinical isolate bank, ensuring consistency and relevance.
- Stepwise infection process includes pre-sensitization and low-dose inoculation, followed by a booster infection to monitor immune responses.
- Comprehensive risk control measures, including glucocorticoid immunosuppression and isolation protocols, ensure animal safety and data integrity.
- Multi-dimensional quality control system with qPCR quantification, dynamic whey LDH analysis, and infrared thermography for precise inflammation monitoring.
- Stratified animal model using 24 Holstein cows grouped by lactation and body condition score for enhanced reproducibility.
Technology readiness level
This mastitis challenge model is currently at Technology Readiness Level 3. It has been developed with a solid research foundation and some successful case studies, but further validation is required to ensure widespread applicability and reliability.
About Yangzhou University
Yangzhou University is a comprehensive public university in Jiangsu Province, China, serving a large student body and aligning research with professional education and regional engagement. Industry collaboration is enabled through joint university–enterprise laboratories, a science and technology park with incubators, and field stations that support scale‑up and on‑site trials. Affiliated teaching hospitals and practice bases facilitate clinically oriented studies and translation. Research is supported by competitive national and Jiangsu provincial programs, including the National Natural Science Foundation of China. A dedicated technology transfer office manages IP, patenting, licensing, and startup formation, connecting corporate partners to facilities and talent across campus.
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