From Jiangxiang pig, it is China's precious miniature local pig breed, which is only produced in the Moon Mountain area of ​​Congjiang County, Guizhou Province. In 1980, it was listed as one of the eight major local pig breeds in China; in 1982 it was included in the second episode of “Chinese Pig Breedsâ€; in 1993, it was listed as a National Grade II Protected Breed by the Ministry of Agriculture and won the “China International Agricultural Expo†in 1999. "Excellent product" title, the Ministry of Agriculture in the 130th Announcement in 2000 will be included in the "national livestock and poultry breeds resources protection directory"; in 2004 by the State Administration of Quality Supervision, the origin of registration. In 1995, at the first “Hundreds of China's Specialties Town†named and promoted in Beijing, Congjiang County was named “Hometown of China's Xiangxiâ€!
It is an excellent local miniature pig breed that has gradually formed through long-term selection and breeding through the special feeding and management methods of local minority people in the unique natural ecological conditions and geographical environment. After breeding and cultivating pig breeds in various places, a series of miniature pig breeds such as sword white fragrant pigs and Bama fragrant pigs are derived! Jiangxiang pig is famous for its unique advantages such as short stature, delicate tender flesh, homozygous genes, rich trace elements, and pure and pollution-free. And has the advantages of good adaptability, strong disease resistance, extensive feeding management. Since the census of local pig breeds in China in 1977, there have been experts and scholars from Guizhou Agricultural College, Guangxi Institute of Animal Husbandry, Beijing Agricultural University, Northeast Agricultural College, and Jiangsu Agricultural College. The characteristics of the pig are summarized as four characteristics: "a small, two aroma, three pure, four net". As the only pig breed to be selected in Guizhou, Jiangxiang Pig participated in the first session of the pig industry trade fair held in Shenzhen in September 1992 and the second session of the pig industry trade fair held in Qingdao in April 1995. The veil of the deep mountain people is not known, the famous five lakes, and the world famous. The first "China Miniature Pig Symposium" held in Beijing in 1994 and the second "China Miniature Pig Symposium" held in Guiyang in 1995 were all hot topics of the conference. Its quality and reputation have been highly praised and affirmed, and it is said that Jiangxiang Pig is a "pig of treasure." Following the "Chinese Animal Husbandry and Fisheries Information News" reported in 1992, after Jiang Xiang pig, "Economic Information Times", "Information Express", "Beijing Science and Technology News", "China Food News", "China Rural Journal", "China Economic Herald" (Market Weekly) and other major national magazines and periodicals, CCTV, and Guizhou TV have carried out special reports on Jiang Xiang pigs, making Jiangxiang pigs hot and square, pretty and north-south. There have been 28 provinces (cities) of the country that have come to introduce the animals from the river and brought them from the Jiangxiang pigs to the Miao Township Dongzhai. They have come to the north and south of the country, inside and outside the Great Wall, and they are well-known for their reputation.
Xiaoxiang pig is different from other pig breeds in that it is bred through long-term inbreeding and mating in a relatively low natural environment and a low level of farming and animal husbandry. The appearance characteristics are short, round and fat. Hairy and shiny. The head is long and flat. The forehead is wrinkly and horizontal. The ears are small, thin, and stretch to the sides. The ears are hard and the back is slightly concave. The abdomen is large and round, and the limbs are short and the tail is slender like a rat's tail.
The purebred pigs of pure breeds have obvious white spots on the eyebrows, and the black part only exists on the head and tail, and there is no dark spots on the back. Pig pink nose is one of the most typical features of Jiangxiang pigs.
The boar's body is short and short, the coat is black, and the individual has white lips and white limbs. The neck is short and thin, the head is large, the face is straight, the frontal wrinkles are shallow and small, and the ears are thin and lotus leaf-shaped. Slightly extend forward, slightly sag or stretch on both sides. There is a pink eye around the eyes. The back is wide and dimpled, and the abdomen is more sagging. The sow's nipples are mostly 5 pairs and a few 6 pairs. The hindquarters are plump, the limbs are short, the forelimbs are well-posed, and the hind limbs are more lying.
Sexual maturity is earlier, boars are earlier than sows, and reproductive organs are similar to adult boars at 90 days of age. Climbing behavior occurs 60 days before age; 65-75 days of age, 3-6 kg of body weight begin to ejaculate; 170-day-old body weight of 8.5-9 kg is used for breeding. The ewes aged 80 to 120 days and weighed around 8.5 kg began to estrus. The estrus cycle is approximately 19 days for 4–5 days. The number of live sows in the litter of sows is usually 8-10, with a maximum of 14 animals.
It is an ideal resource for the production of high-grade meat products from the early fragility and fattening of Jiangxiang pigs, the strong lipid-storage power during the lactation, the small body, the tender meat, the fragrant and sweet soup.
Jiangxiang pig has good adaptability, strong disease resistance, extensive feeding and management, and easy feeding. The level of dietary nutrition should not be too high, energy is kept at 2.8-3.2 kcal/kg, crude protein is 8%-14%, and green feed should account for 60%-80%. Breeding pigs to maintain a moderate body condition can obtain better breeding levels. In terms of disease prevention and control, immunization and deworming are carried out in accordance with routine procedures, and environmental sanitation is maintained well. There are almost no other diseases.
The pigs are mainly fed with green and blue feed to ensure that the smell of pork is pure. Commonly used feed are corn, rice, wheat bran, rice bran, bean cake, barley, peanut cake and so on. Its feed formula is: corn 10%, rice bran 50%, bean cake 8-10%, bran 30%, flour 1%, salt 0.5%. Each kilogram of feed should contain 10.5 MJ of digestive energy, containing 16.2% of crude protein. Feeding methods: First, it is time to eat 4 meals a day, starting from 7 a.m. and feeding once every 4 hours.
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