Study of Mastitis in Estonian Dairy Herds
Author Information
Author(s): Laura Haltia, Tuula Honkanen-Buzalski, Irina Spiridonova, Arvi Olkonen, Vesa Myllys
Primary Institution: Finnish Food Safety Authority Evira
Hypothesis
What is the prevalence of mastitis and how do milking procedures and management practices affect it in Estonian dairy herds?
Conclusion
The study found a relatively high prevalence of mastitis in Estonian dairy herds, primarily caused by contagious bacteria, and suggested that improving milking procedures and hygiene could help reduce infections.
Supporting Evidence
- 52.7% of cows had mastitis in one or more quarters.
- Corynebacterium bovis and Staphylococcus aureus were the most common bacteria found.
- Women farm owners were associated with lower mastitis prevalence.
Takeaway
This study looked at how many cows had a sickness called mastitis and found that many did. It also showed that better cleaning during milking could help keep cows healthier.
Methodology
Quarter milk samples were collected from 3,166 cows for bacterial analysis and somatic cell counting, and a questionnaire was filled out regarding milking procedures and management practices.
Potential Biases
The study may have biases due to the self-reported nature of management practices and the limited number of farms surveyed.
Limitations
The farms studied may not represent typical Estonian farms, and the results should be compared only with larger herds.
Participant Demographics
The study involved 25 dairy herds owned by 12 owners, with an average herd size of 164.4 cows.
Statistical Information
P-Value
p<0.01
Confidence Interval
95% confidence interval 47.9 to 57.6
Statistical Significance
p<0.01
Digital Object Identifier (DOI)
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