Sheep selection: see itself. Ram requirements soma grow strong constitution and energetic. Anyang purebred sheep head slightly heavy, wide and long neck, back and waist straight Hubei purebred sheep, big but not sagging belly, stout limbs, hoof strong, flat and wide rump length, medium size purebred sheep testicles on Rams reproductive defects eliminated immediately upon discovery. Lake Sheep: Henan Province is located in eastern China, the Yellow River, bounded at latitude 31 ° 23'-36 ° 22 'Zhengzhou purebred sheep, longitude 110 ° 21'-116 ° 39' between the province's annual average temperature is generally between 12 ℃ -16 ℃, frost-free period is 180-240 days from north to south. The average annual precipitation is about 500-900 mm. Close to the lake sheep origin environment.