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[Cows with swollen anus and vulva as a husbandry problem].
T Dijkstra1, G J Bosma, J Veling
1Gezondheidsdienst voor Dieren in Noord-Nederland, Drachten.
Tijdschrift Voor Diergeneeskunde
|May 1, 1992
Summary
A dairy cow feed problem caused by pig premix in cow concentrate led to poor intake, swelling, and reduced milk production. The specific causative component in the pig premix is still under investigation.
Area of Science:
- Animal Science
- Veterinary Medicine
- Animal Nutrition
Context:
- A dairy farm experienced an acute health issue affecting multiple cows.
- Symptoms included reduced feed intake, vulvar and anal swelling, and decreased milk yield.
- The issue coincided with the introduction of a new feed concentrate.
Purpose:
- To investigate the cause of an acute health problem in dairy cows.
- To identify the specific component in the feed concentrate responsible for the adverse effects.
Summary:
- Dairy cow feed was inadvertently contaminated with pig premix.
- The contaminated feed resulted in significant clinical signs including poor intake, swelling, and reduced milk production.
- The exact toxicant within the pig premix has not yet been identified.
Impact:
- Highlights the critical importance of feed ingredient verification in animal husbandry.
- Underscores the potential risks of cross-contamination in feed premixes.
- Informs future feed formulation and safety protocols for dairy cattle to prevent similar incidents.