Topics:
Animal Refresher, Dairy Science
Colour of Milk from Stall-fed Cow
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Question (English)
Stall-fed cow yields milk of which colour?
- White-yellowish milk ✓ Correct
- Yellow colour milk
- White-greenish milk
- Pure white milk
Explanation:
Correct Answer: White-yellowish milk
Stall-fed cows (fed on dry fodder, concentrates, and stored feed with limited green pasture) yield white-yellowish milk due to moderate β-carotene content from stored feed.
Colour of Milk — Key Comparisons
- Stall-fed cow: White-yellowish milk (moderate carotene)
- Grass-fed cattle: Yellow-coloured milk (high β-carotene from fresh green grass)
- Buffalo milk: Pure white — buffalo converts all β-carotene to Vitamin A, so no carotene remains to colour the milk.
- Cow milk: Yellowish — cannot fully convert β-carotene; excess carotene gives yellow tint.
Responsible Pigment
The colour of milk fat depends on its β-carotene content — not riboflavin or thiamine.
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