The correct option is B
A - T, B - T, C - T and D - F
Animal husbandry deals with the care and breeding of livestock like buffaloes, cows, pigs, horses, cattle, sheep, camels, goats etc. that are useful to humans.
Animal husbandry faces lots of challenges. It includes low productivity in milk and meat production, deficiency in the forage, quality of food supply, etc.
The yield of milk and meat is primarily dependent on the quality of breeds. Therefore, selection of a good breed is important. Breeds having high yielding potential as well as resistance to disease under the climatic conditions of the area are selected. So statements A and B are true.
Unavailability of the forage is a major issue nowadays. It includes the plants eaten by the animals directly as pasture, crop residue, or immature cereal crops and even hay. Majority of the grazing lands are either degraded or encroached due to industrialization and urbanization. This is a threat for the local farmers, who have to spend more money on fodder and cattle feed. Hence statement C is true.
Balanced cattle feed should contain roughage and concentrate. Roughage which is the coarse, fibrous substance having low nutrient content. It helps in proper movement of food in the intestine and prevents intestinal diseases. E.g. Green fodder and hay.
Concentrate is low in fibre but is relatively high in proteins and other nutrients. It helps in proper growth and development. It helps in milk and meat production. E.g. Cereals, millets and oil seeds. So statement D is false.
Figure : Balanced cattle feed