Bohai Black Cattle, also known as Wudi Tiger Black Cattle, is an excellent cattle breed in Huimin area. Its central producing area is Wudi, who sleeps in Bohai Sea, and neighboring Yangxin and Zhanhua counties. Appearance characteristics: coat, hooves and horns. The nose mirror is black, turbulent, low and wide, with developed hindquarters and symmetrical structure; Dry and elastic skin, strong body. Because of its low center of gravity, strong pulling force, strong perseverance and endurance, it is called "grasping tiger" by local people. This kind of cattle is gentle in temperament, easy to feed, resistant to roughage, easy to fatten, strong in disease resistance, stable in genetic performance, and has good service and meat characteristics. It is a rare breed of black-haired yellow cattle in China.
(Binzhou)
Wudi heiniu
territorial scope
Wudi Black Cattle are distributed in Wudi County 1 1 towns along the Bohai Sea coast in northern Shandong Province, including Chezhen, Xiaobotou, Jieshi Mountain, Chengkou, Xinyang, Wudi Town, Shuiwan, Liubao, Shejia Township, Mashanzi and Xixiaowang, and there are more than 27,000 Wudi Black Cattle. Geographical coordinates are: east longitude11731'~1804' north latitude 37 4 1'~ 38 16'. Wudi County belongs to the yellow floodplain of North China Plain, and its terrain inclines from southwest to northeast, with the southwest being higher and the northeast being lower. The highest point is in the west of Wudi Town, with an altitude of 8 meters, and it inclines to northeast with a slope of one ten thousandth. The coastal Dakou River is 1.9 meters above sea level; The elevation of Sanlitai and Wulitai along the coast is only about 1 meter. From southwest to northeast, the territory is yellow flood plain, coastal plain and Bohai Bay coast in turn.
Product quality characteristics
The coat color of Wudi black cattle is black or dark brown, but a small amount of white hair is allowed below the abdomen, and the hoof, horn and nose mirror are black. Strong physique and compact structure. Low body, wide body, rectangle, developed hindquarters. The head is rectangular, and the lens length is basically the same; The angle is light and small, and the gantry angle is many; The chest is wide and deep, the back and waist are straight and wide, and the hips are wide and slightly square; The limbs are open, the limbs are upright and powerful, and the hooves are meticulous and solid. Bull has straight forehead, big eyes, short and thick neck and obvious shoulders. Cattle are handsome, with a flat face and solid limbs. It is the only black-haired cattle breed in China. 1. Reproductive performance: Under normal feeding and management conditions, cows are in estrus for 6 months-10 months; The adaptive age is 1.5 years old; The average estrus cycle is 20.2 days, the average estrus duration is 32.8 hours, and the average pregnancy period is 279.5 days. The average postpartum first estrus time was 83.0 days. One child a year or three years with a service life of 8-9 years; The adaptive age of bulls is 1.5-2 years old, the service life is 5-7 years, with an average of 5.47ml, the sperm count is1×10/ml, and the sperm viability is 0.7. 2. Meat performance: the average birth weight of male calves is 22.3kg, and the average birth weight of female calves is 18.5kg. Without fattening, the average slaughter rate of bulls and steer cows is 53.0%, the average net meat rate is 44.7%, the average carcass meat production rate is 82.8%, the average eye muscle area is 79.9 square centimeters, and the average carcass meat ratio is/kloc-0. Under good feeding conditions, bulls can reach 350 kilograms when they are 24 months old. 14- 18-month-old bulls and steer fattened for a short time at medium nutritional level, with an average daily gain of about 1kg. Its meat quality is delicate and the marble lines are obvious. 3. Safety requirements: specify the name, specific content and relevant laws and regulations of the national mandatory technical specification for market access of registered products. Agricultural industry standard of the People's Republic of China NY5 147-2002 "Pollution-free Food Beef".