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Review: Milking machine settings, teat condition and milking efficiency in dairy cows
M Odorčić1, M D Rasmussen2, C O Paulrud3
11Veterinary Physiology, Vetsuisse Faculty, University of Bern,3001 Bern,Switzerland.
Summary
Machine milking impacts teat tissue due to vacuum and liner pressure, potentially causing hyperkeratosis and increasing infection risk. Optimizing milking settings is crucial to minimize these adverse effects on bovine teat health.
Area of Science:
- Veterinary Medicine
- Animal Science
- Biomedical Engineering
Background:
- Machine milking, while efficient, poses unavoidable technical challenges impacting teat tissue.
- Factors influencing teat tissue impact include milk ejection physiology, production systems, and milking machine settings.
Purpose of the Study:
- To review scientific information on the interaction between machine milking parameters and teat tissue health.
- To describe the risks of short-term and long-term teat tissue damage from milking systems.
Main Methods:
- Review of existing scientific literature on machine milking impacts.
- Analysis of factors such as system vacuum, mouthpiece vacuum, teat end vacuum, and liner pressure.
Main Results:
- High milking performance settings can lead to teat tissue damage via vacuum or liner compression.
- Negative impacts include hyperkeratosis, congestion, and increased risk of intramammary infection.
- Reduced milk flow at the end of milking elevates vacuum levels, increasing tissue stress.
Conclusions:
- Machine milking parameters significantly influence teat tissue integrity.
- Understanding these interactions is key to preventing pathological changes and infections in dairy cows.
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