Related Experiment Videos
Herd studies on coliform mastitis
Journal of the American Veterinary Medical Association
|April 15, 1975
Summary
Escherichia coli is the main cause of coliform mastitis in California dairy herds. The specific bacteria and disease severity varied significantly between herds, indicating unique herd-specific challenges.
Area of Science:
- Veterinary Medicine
- Microbiology
- Animal Science
Background:
- Coliform mastitis is a significant challenge in dairy herds.
- Understanding the etiological agents and their prevalence is crucial for effective management.
Purpose of the Study:
- To identify the predominant coliform species causing mastitis in California dairy herds.
- To investigate the variation in coliform mastitis prevalence and characteristics among different herds.
Main Methods:
- Bacterial isolation and identification from mastitis milk samples.
- Quantitative analysis of coliform organism recovery.
- Comparative analysis of mastitis cases across multiple dairy herds.
Main Results:
- Escherichia coli accounted for 63% of isolated coliforms.
- Enterobacter aerogenes (10%) and Klebsiella pneumoniae (11%) were also identified.
- Significant variation in disease severity and characteristics was observed among the 8 herds.
Conclusions:
- Escherichia coli is the primary coliform pathogen associated with mastitis in this California cohort.
- Herd-specific factors likely influence the prevalence and clinical presentation of coliform mastitis.
- Targeted management strategies may be necessary for different herds.