25/05/2025
Haemolactia in cow (Blood in Milk)
Haemolactia in cows refers to the presence of blood in milk, which can be alarming for dairy farmers. This condition may arise due to several factors, ranging from mechanical injuries to systemic conditions. Below are the common causes, clinical implications, and management approaches:
✅ Trauma or Injury:
Mechanical injury to the udder or teat.
Rough handling during milking.
Biting or stepping on the udder by the cow or calf.
✅ Mastitis:
Severe inflammation of the udder (often caused by bacterial infection) can lead to vascular damage, causing blood to leak into the milk.
✅ Udder Congestion or Edema:
Seen commonly in high-yielding cows, especially shortly after calving.
✅ Capillary Rupture:
Excessive milking vacuum pressure can rupture capillaries in the teat or udder.
Systemic Conditions:
✅ Clotting disorders or diseases like leptospirosis that affect blood vessels.
✅ Deficiencies, such as Vitamin C or Vitamin K, which impair vessel integrity or clotting.
✅ Tumors:
Udder neoplasia (rare) may cause bleeding.
Vascular Fragility:
✅ Common in some cows during the periparturient period (around calving).
Pinkish, reddish, or brownish discoloration of milk.
Blood clots in milk.
Pain, swelling, or abnormal texture of the udder (in cases of mastitis or trauma).
Reduced milk yield.
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