Q. What are the components of cattle feed?

Cattle feed comprises two main categories: roughage and concentrates, which must be balanced to meet the nutritional requirements for maintenance, growth, reproduction, and milk or meat production. Roughage forms the bulk of cattle feed (60-70% by volume) and includes fibrous materials like green fodder (berseem, lucerne, maize), dry fodder (wheat straw, paddy straw), and silage. These high-fiber feeds provide essential cellulose that maintains rumen function and digestive health while supplying moderate amounts of energy and protein. Access to quality roughage is fundamental for cattle, as their digestive systems are specifically adapted to process fibrous plant materials through microbial fermentation in the rumen.

Concentrates are nutrient-dense feed components (30-40% of the diet) that supplement roughage with concentrated sources of energy, protein, minerals, and vitamins. Energy-rich concentrates include grains like maize, jowar, and wheat bran, while protein concentrates comprise oilseed cakes (cottonseed, groundnut, mustard cake) and legume grains. Mineral mixtures containing calcium, phosphorus, sodium, and trace elements prevent deficiencies that affect bone development, reproduction, and milk production. Vitamin supplements, particularly A, D, and E, may be added depending on the production stage and feed quality. For high-yielding dairy cattle or animals being fattened for meat, the concentrate proportion increases to meet elevated energy and protein demands, while growing calves require calcium and protein-rich formulations to support rapid skeletal and muscular development.