Cattle farming is for

Animal husbandry is a part of agriculture that manages the care and rearing of domestic animals like cattle, fishes, sheep, and bees. Apiculture, Cattle cultivation (cow & Buffalo), Poultry, Fishery, Pearl culture, Seri culture, and lac culture are a portion of the parts of animal husbandry. 

Milk is one of the significant food varieties in everyday life and is a rich source of calcium and minerals, subsequently known as a complete food. Milch animals are the animals that secret milk. 

Hence, option C is the correct answer.