BIOLOGY CH23 Economic Biology — Science STD 9 — Question

Dairy cattle need balanced rations containing all nutrients in a proportional amount. Food additives should contain minerals, vitamins, antibiotics and hormones to promote the growth of animals, good yield of milk, and protect from diseases. The daily average feed ratio of milking cow is: 15 – 25 kg of roughage (dry grass and green fodder) 4 – 5 kg of green mixture. 100- 150 litres of water.

1. Dairy cattle need balanced rations containing all nutrients in a proportional amount.
2. Food additives should contain minerals, vitamins, antibiotics and hormones to
   promote the growth of animals, good yield of milk, and protect from diseases.
3. The daily average feed ratio of milking cow is:
   • 15 – 25 kg of roughage (dry grass and green fodder)
   •  4 – 5 kg of green mixture.
   • 100- 150 litres of water.