Licha black pig, a lean pig in Jiaozhou City, Shandong Province, is completely black in hair, has a long body and a long head and face, and has 1 pair of ribs more than local pigs. The sow nest produces more than 10 litters, and the fattening pig can reach about 90 kg in 6 months, which is easy to raise, has strong disease resistance, delicious meat quality, and the lean meat rate is about 53%.
Jinhua pig, produced in Jinhua region of Zhejiang Province, has tender, delicious and lean meat rate. The well-known "Jinhua ham" at home and abroad is made of this pig hind leg. The whole body except for the head and neck and the rump tail are black hair, the rest are white, small in size, medium size ears, sagging, gentle temperament, adult boar weight 140 kg, adult sow 110 kg, the main advantage is good meat quality, thin skin and fine bone, early maturing and easy fattening.
Shanghai white pig, produced in Shanghai and Baoshan counties. The pig is medium in size, the coat is white, the adult boar weighs 258 kg, the adult sow weighs 117 kg, the weight of the 6-month-old is 90 kg, and the carcass lean meat rate is 55%.
Nanchang white pig, produced in Nanchang, Jiangxi. After the acceptance of experts, 8 technical indicators such as lean meat rate have reached the national leading level. The pig is the use of foreign fine breeding boar and local breeding sow hybridization, after 6 generations of selection and breeding, this pig is white hair, good body shape, lean meat rate of up to 62.5%, but also has the characteristics of fast growth, the average daily weight gain of 800 grams during the breeding period.
Rongchang Pig, Sichuan Pig Research Institute and Sichuan Agricultural University are selected and bred by introducing an appropriate proportion of external blood on the basis of purebred breeding. Compared with the original Rongchang pig, the lean meat rate of the newly bred lean meat type strain reached 55%.
Luchuan pig, produced in Guangxi Luchuan, Hepu, Yulin and other places. The pig body is short and obese, the head is short, the back and waist are sunken, the abdomen is large and mopping, the limbs are thick and short, the hair is short and sparse, the head, ears, back, buttocks, tail are black, other parts are white, early maturation and easy fattening, fast growth and development, tolerant to coarse feeding, high fecundity, adult boar weight of about 100 kg, sow about 75 kg, fat pig 10 months old weight of about 85 kg, slaughter rate of about 70%.
The new golden pig, produced in Xinjin County, Liaoning Province, is a famous meat-fat combined breed in China, with a strong and well-proportioned physique and an upright ear leaning forward. The chest is wide and deep, the back and waist are wide and flat, the abdominal line is straight, the hind torso is plump, the hooves are strong, the coat is sparse, the whole body is black, the nose end, the tail tip and the lower part of the limbs are mostly white, and the adult male and sow weigh about 230 kg and 175 kg respectively. Fast growth; early maturation is easy to fertilize, feed utilization rate is high, and the carcass lean meat rate is about 51%.
Xinhuai pig, produced in Huaiyin district of Jiangsu Province. The head is slightly longer, the mouth is straight, the ears are medium-sized, the forward and downward tilt, the back and waist are straight, the abdomen is slightly large but not sagging, the hips are slightly oblique, the hair is black, there are a small number of white spots at the end of the body, and the adult males and sows weigh about 250 kg and 185 kg respectively, which are adaptable and resistant to rough feeding.
Sanjiang white pig, produced in the Hejiang region of Heilongjiang, is the first new breed of meat type bred in China. The head, neck and mouth are straight, the ears are drooping, the back and waist are wide and flat, the legs and hips are plump, the limbs are thick, the coat is all white, and the hair is slightly dense. The advantages are early sexual maturity, high fertility rate, and 59% of the lean meat of the yang body.
Hampshire pig, also known as silver belt pig, produced in the United States, introduced to China in 1972, the pig is hairy black, only a white belt around the joint of the shoulder and neck, the pig's mouth is long and straight, the ears are moderate and upright, the body is long, the dorsal line is slightly arched, and the body and hips are muscular. Hampshire pigs grow faster, reaching 85 kg in June and 165 kg a year.
Duroc pig, also known as red pig, is produced in the United States and introduced to China in 1972. Duroc pigs are brownish-red in shades, ranging from golden yellow to brownish red. The pig has two ears of medium size, drooping from the middle of the ear, called a semi-drooping ear, a small head, a short concave mouth, a broad back arch of the chest; the posterior torso and hips are full and developed, and the hooves are black and upright. Duroc pigs develop quickly, precociously, weighing up to 90 kg at 153 days of age and more than 160 kg a year.
The Yorkshire pig, also known as the Great White Pig, is native to the United Kingdom. The pig is coated with white hair, long body, long head, slightly concave face, large and thin ears, long body, back arched, wide and long posterior body, full and tight abdomen, long limbs, fast growth, 6 months old weight of 90 kg, a year of more than 160 kg, adult male sows are 350 kg and 300 kg, the average litter of 10.5 litters.
The long white pig, formerly known as the Lantras pig, is produced in Denmark and was introduced to China in the early 60s. The pig has white hair, a long head, a straight face, large forward leaning ears, short neck and shoulders, long back and waist, 16 pairs of ribs, a developed posterior body, plump thighs, hard hooves, thin bones and thin skin; fast growth, up to 90 kg at 6 months of age, 170-190 kg in 1 year, and 300-350 kg in adult pigs. The long white pig has good reproductive performance.