Muskrat is a small precious fur animals. Body like a big rat, 35 to 40 cm in length, tail length of 23 to 25 cm, larger than voles size, weight, 0.8 to 1.2 kg. Muskrat whole body hair dense, black or chestnut brown back is yellow, brown and gray ventral. Tail length brownish-black, slightly flat side, top quality piece scaly skin, dark brown sparse Soke. Just leave the nest to live independently in mice, the flat side of the tail is not obvious. Muskrat head small, slightly flattened, short, thick neck and trunk no obvious boundaries. Eye small, short ears hidden in long hair among the hairy ears plugged. Mouth rounded, have beards. Have a pair of upper and lower front teeth long and sharp, pale yellow or yellow, exposed on the outer lip. Short limbs, forefoot 4 toe, sharp claws, no toes webbed hind feet slightly longer than the front foot, half webbed toes, and bristles. There is a similar Zokor and muskrat, should be a distinction. Zokor volume smaller than the muskrat, tail length is only 5 to 6 cm, no side flat cylindrical, its non-webbed hind toes, body hair lighter in color. Muskrat belongs rodents, hamsters families, genera muskrat, commonly known as Aone mink, muskrat. Dai Nam musk rat breeding farming cooperatives have the qualification certificate, are special support industry model units, has been working on musk rat breeding techniques, varieties cultivation, promotion of large-scale breeding, farmers win-win cooperation. Dai Nam musk rat farming cooperatives have comprehensive standardized farming methods, technology applications covering musk rat nest build homes, feed formulation, disease prevention, foster pups, breeding and reproduction, musk extract a series of farming practices, has "kind of rat birth rate, the youngest son of a high survival rate; low incidence of the disease, the cost of occupancy is low, "the" two high and two low "technical advantages. Cooperatives adhering to the "letter to the Road to excellent for the win" business philosophy, always adhere to the "left farmers, factory hand," the whole industry chain cooperation.