introduction of Rongchang pig breeds

Rongchang pig is one of the eight excellent breeding pigs in the world; Rongchang pig has developed into one of the most influential local pig breeds in China.

Rongchang pig, named after its origin in Rongchang District, Chongqing, was included in the "National Breeding and Scientific Research Cooperation Plan" in 1972, listed as a national local improved pig in 1984, listed as a national first-class protected variety in 1985, promulgated the national standard of Rongchang pig in 1987, listed in the national protection list of livestock and poultry breeds in 2, established a resource conservation farm in 21, and established conservation zone in 28. At present, there are more than 2, fertile sows and 22 boars in Chongqing, and there are 15 sows and 2 breeding boars in the core group.

Origin and distribution:

Rongchang pig is a southwest pig, which is native to Rongchang and Longchang counties in Sichuan Province, and mainly distributed in more than 1 counties and cities such as Yongchuan, Luxian, Dazu, Hejiang and Jiangjin. It is one of the rare white pig breeds in China. Rongchang pig has been extended to more than 2 provinces and cities such as Yunnan, Shaanxi, Hubei, Anhui, Zhejiang, Beijing, Tianjin and Liaoning.

Appearance characteristics:

The head is of moderate size, with a slightly concave face, the ears are of medium size and drooping, the forehead is hairy, the body is of medium build, the back and waist are slightly concave, the abdomen is large and deep, and the buttocks are not full. Most of the eyes, the head, the tail root and the body appear dark spots, and other parts are white. The mane is generally 11-15 cm long and 2 cm long. Performance: The boar of 6 months old weighs 5.4kg, the body length is 98.6cm, the sow weighs 46.2kg, and the body length is 95.2cm. Under the condition of medium nutrition level, the average daily gain is 488g, the slaughter rate is 71%, and the lean meat rate is 41%. The bristle value of this pig is high, generally 11~15cm, and the length is more than 2cm. One pig can produce 2~3g bristles, which is famous at home and abroad for its whiteness, toughness and can be used for export. Boars show sperm at 57 days old, mature sexually at 4 months old, and can be used for breeding at 5-6 months old. Sows can be used for initial mating at 4-5 months old, with an average of 86 days old in estrus.

Rongchang pig is famous for its tender meat and thin skin. It has been raised for more than 4 years. It is said that in the late Ming and early Qing dynasties, immigrants from Guangdong and Hunan brought local pig breeds to Sichuan, respectively, and they were selected to form southwest pig breeds.

Meat production performance

The daily gain is 313g, and it is appropriate to weigh about 8kg at the age of 7-8 months. The slaughter rate is 69%, the lean meat rate is 42-46%, and the proportion of legs and hips is 29%. Rongchang pig's muscle is bright red or crimson, with clear marble lines and uniform distribution. The storage loss in 24 hours and 96 hours is 3.5% and 7.2% respectively. The cooked meat rate of biceps femoris was 67.7%. The moisture content of long back muscle is 7.8%, fat is 3.2%, and protein is 24.8%. The calorific value per gram of dry meat is 5725 kcal.

Reproductive performance

The estrus of boars is 62-66 days old, and they have entered sexual maturity at the age of 4 months, and they can start breeding at the age of 5-6 months. The ejaculation volume of adult boars is about 21 ml, and the sperm density is 8 million/ml. The average estrus period of sows is 85.7 (71 ~ 113) days, the estrus cycle is 2.5 (17 ~ 25) days, and the estrus duration is 4.4 (3 ~ 7) days. The litter size of primiparous sows was 6.7 .1, the survival number of weaned sows was 6.4 .1, and the litter weight was 6.7 .4 kg. The litter size of multiparous sows with more than three births is 1.2 .1, the survival number after weaning is 9.7 .2, and the litter weight is 12.2 .6 kg.

how much is Rongchang pig per catty? How much is a Rongchang sow? How much is Rongchang pig a catty? The price of Rongchang piglets is 16-2 yuan per catty.

how much is a Rongchang sow? Rongchang sow costs 8 yuan a head.

the above prices are for reference only, and the specific prices vary according to the quality.

Analysis on the Prospect of Rongchang Pig Breeding When it comes to Chongqing Rongchang, many people will blurt out "Rongchang Pig". Rongchang pig is one of the eight best local pig breeds in the world and three excellent local pig breeds in China, which is internationally recognized as a valuable pig breed resource. Rongchang pig ranks first in the national local pig brand value with a brand value of 2.59 billion yuan. The "China Animal Husbandry Science and Technology Forum" approved by the Ministry of Agriculture is held in Rongchang every two years. The national pig trading market covers the whole country, and "National Animal Husbandry Watching Rongchang" has gradually become a * * * knowledge. At the National People's Congress, Cao Qingyao also constantly recommended the business card "Rongchang Pig". He repeatedly mentioned: "Rongchang Pig is more famous than Rongchang people." This sentence has spread at the two sessions.

Rongchang High-tech Zone, which was upgraded to a high-tech industrial development zone, was formerly Chongqing Rongchang Industrial Park. It was established with the approval of Chongqing Municipal People's Government in 22 and was approved as a provincial development zone in 26. In 216, it was recognized as a municipal high-tech zone by the Chongqing Municipal People's Government, and it was officially declared as a high-tech zone in the same year.

At present, there are 412 industrial enterprises in Rongchang High-tech Zone, including 1 Fortune 5 enterprise, 1 private enterprises in China, 79 scientific and technological enterprises, 37 national high-tech enterprises, 9 subsidiaries of listed companies, 16 foreign-funded enterprises, 21 GMp-certified enterprises and 1 Chinese trademarks.

It is understood that the upgraded High-tech Zone is named Rongchang High-tech Industrial Development Zone, with a planned area of 17.5 square kilometers, consisting of five blocks, and will implement the current national high-tech industrial development zone policy.

Hualuo Rongchang, a national high-tech zone featuring agriculture and animal husbandry. It is a good opportunity for Rongchang. How to grasp this opportunity and promote the development of Rongchang? Cao Qingyao, deputy to the National People's Congress and secretary of Chongqing Rongchang District Committee, who is attending the National People's Congress in Beijing, said that there are hundreds of high-tech zones in China, but most of them are engaged in industry, and this high-tech industrial development zone in Rongchang is a high-tech zone featuring agriculture and animal husbandry in China, which is also the spirit of Chongqing's implementation of the spirit of the 19th Party Congress and the call for high-quality development issued by the general secretary when attending the deliberation of the Inner Mongolia delegation.

Suggestions on breeding Rongchang pigs 1. Carry out protective feeding

Planting cucurbits, giant melons, wogua, sunflowers and other plants outside the piggery in summer and autumn can provide shade to cool down, popularize the plastic greenhouse feeding technology in winter, and do well in insect repellent and immunization regularly.

2. Promote high-density breeding pigs

A fattening pig will be raised in a .8 square meter pigsty in winter and a fattening pig will be raised in a 1 square meter pigsty in summer. High-density breeding pigs not only have less pens and low costs, but also fatten pigs compete for food. Sleep when you have no exercise ground, love to gain weight quickly and reduce feeding expenses.

3. After the fattening pigs exceed 9kg, the daily weight gain rate is obviously slowed down, and fat deposition is the main factor, so the more they are fed, the more uneconomical they are, and the more fat they are, the harder they are to sell. Slaughtering less than 9 kg, although the feed utilization rate is high, but the meat yield is low because of the small weight, and it is not economical. Generally, 9 ~ 12 kg of fattening pigs are suitable for slaughter.

4, varieties should be excellent

First of all, we should choose varieties according to market demand. At present, in order to promote multi-hybridization, it needs at least three yuan, preferably five yuan. For example, British pIC pig, with five lines, has a fast growth rate, reaching 11 kg in 158 days, with a lean rate of 66% and a feed-meat ratio of 2.8: 1.

5. Keep the pens simple

Don't make the pigsty too luxurious, just keep it warm and ventilated.

6, epidemic prevention should be strict

Pay attention to disinfection, not only to prevent foreign diseases, but also to prevent fecal pollution, spread diseases, and also to inject vaccines according to immunization procedures.

7. Delisting should be timely

If the weight of binary pig reaches 7kg, that of internal ternary pig is 8-85kg, that of external ternary pig is 95kg, and that of British pIC pig is 15kg, it is the timely weight for slaughter. In addition, when the market price of live pigs is high, the heavier the weight, the better; When the price is low, it is better to be lighter, so as to reduce feed consumption and cost.

8. "backward feeding" pig raising

A new pig raising method is determined in view of the above shortcomings and combined with the growth law and characteristics of pigs. This method is in the stage from piglets to middle pigs. That is, before 5-6 kg, concentrate with high energy and high protein was mainly used, with necessary feed additives and a small amount of green and green feed. From the middle pig to the slaughter period, the input of concentrated feed should be appropriately reduced, and the proportion of green feed and roughage should be increased: concentrated feed 6%, green feed 25% and roughage 15%. This method not only shortens the feeding cycle of pigs, but also makes full use of a large number of green and roughage resources, thus saving the amount of concentrated feed and greatly improving the economic benefits.