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Management factors affecting herd average test-day somatic cell count in dairy cattle farms
Dorottya Ivanyos1, Zsolt Lang2, Marietta Máté3,4
11Veterinary Practitioner, Herceghalom, Hungary.
Acta Veterinaria Hungarica
|January 16, 2026
Summary
Effective dry cow management, including regular therapy and teat sealants, can significantly lower herd somatic cell count (HSCC), a key indicator of udder health in dairy cows.
Area of Science:
- Veterinary Medicine
- Animal Science
- Dairy Production
Background:
- Mastitis is a complex dairy cattle disease impacting milk quality.
- Understanding risk factors is crucial for effective udder health management.
Purpose of the Study:
- To evaluate the impact of various udder health management practices on herd average test-day somatic cell count (HSCC).
- To identify key management factors influencing HSCC in large Hungarian dairy herds.
Main Methods:
- Survey of 33 large Hungarian dairy farms (32,886 cows) using questionnaires.
- Data collection on production and udder health management factors.
- Multi-way ANOVA models to analyze associations between management factors and HSCC.
Main Results:
- Farms using weekly dry-off therapy and teat sealants showed lower HSCC.
- Farms that scored mastitis case severity tended to have higher HSCC.
- Dry cow management demonstrated the most significant impact on HSCC.
Conclusions:
- Dry cow management is a critical factor in controlling HSCC.
- Implementing specific dry-off procedures and teat sealants can improve udder health.
- Variability in management practices across farms highlights areas for improvement in mastitis control.
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