Name two types of animal feed and write their functions.

Explanation

The dairy cattle is given a balanced ration. Which contains all nutrients in proportionate amounts . A ration is the amount of food which is given to the animal during a twenty-four hour period.
The animal feed inculdes two types of substances
(i) Roughage It largely contains fibres such as green fodder silage hay (straw of sereals) and legumers (e.g., berseem lucerne cow pea and agathi).
(ii) Concentrates It concentrates used in feed of cattle and bufalloes are a mixture of subatance which are rich in one or more of the nutrients e.g., cotton seeds oil seeds, grains of maize oats barley jowar bajra gram and their byproducts such as wheat bran rice bran (polish) gram husk oil seed cakes and molasses.
1.Green fodder and dry grasses (roughage) =15 to 20 kg
2. Grain mixture (concentrates)= 4 to 5 kg
3. Water 30 to 35 litres.
Besides above mentioned nutritious food material dairy animals require certain additive feeds promote the growth of the animals which contain antibiotic minerals and hormones. facilitate good yield of milk and protects them from diseases.