Weight: 47 kg ram and 35 kg ewe. Hairiness: The coat is composed of myelinated hairs. Hair length; Ram 1 1.2 cm, ewe 8.9 cm. Shearing amount: ram 1.6 ~ 2.0 kg, ewe 1.3 ~ 1.8 kg. Wool fineness: unmyelinated wool 17 micron, myelinated wool 26.6 micron. The net gross tax rate is 65%.
The fur produced is two kinds of fur, white and wavy, beautiful, light and soft, with 5 ~ 7 bends in wool strands, and the better pattern is cross-flower. Meat production performance: adult goat slaughter rate is 45%, ewe slaughter rate is 40%, and two-wool lamb slaughter rate is 50%. The lambing rate was 102%.
Tan sheep are mainly produced in counties near Yinchuan City at the eastern foot of Helan Mountain in Ningxia. The production area has complex terrain, arid climate, rich heat resources, long sunshine time, hot noon in summer, cool in the morning and evening, long winter and large temperature difference between day and night. Rich in minerals, high in salt content in water and low in grass production, but high in dry matter, rich in protein and high in feeding value. ?
Tan sheep is of medium build and strong constitution. Keep your back straight and your chest deep. The limbs are straight and the hooves are strong. The body coat is pure white, and most of the head has brown, black and yellow spots. The medullary capillaries in the indumentum are long and soft, with moderate unmyelinated hair content, no dead hair, obvious hair strands and long braids. At birth, beach lambs have long, wavy and strong hair bundles from beginning to end and limbs. With the increase of age and fluff, the hair bundles gradually become thicker and longer, and the flower spikes become more compact and beautiful.
Ningxia Tan sheep are mainly distributed in the wasteland of Yinchuan City, Shizuishan City and Wuzhong County. The vast Helan Mountain is a flat piedmont wasteland, which has excellent conditions suitable for the growth and reproduction of Tan sheep, thus becoming the earliest breeding paradise for Tan sheep: First, the climate is suitable, and Ningxia is a warm and arid grassland; Second, Ningxia's natural pastoral areas have flat terrain and hard soil; Third, Ningxia is dry with little rain, low relative humidity and high annual accumulated temperature.
Fourth, the vegetation is sparse, and the mineral content of Ningxia pasture is very rich; Fifthly, the drinking water of Ningxia Tan sheep contains a certain amount of carbonate and sulfate, with high salinity and alkaline water quality. In the folk words of Ningxia, Tan sheep in Ningxia "eat Chinese herbal medicine and drink mineral water", as a specialty of Ningxia, is the product of Ningxia's special ecological environment.