What are the sow breeds? Introduction and collection of complete sow breeds

What are the sow breeds? In pigs, females who have given birth at any age are called sows. There are many kinds of sows, according to color, including black sows, white sows and spotted sows. Their living habits are also somewhat different. Geographically, some sows mainly eat semi-cooked food, some eat cooked food and some eat raw materials. There are many kinds of sows in China, such as Taihu pig, Landrace pig, Large White pig, Erhualian pig, Jinhua pig, Duroc pig, Pitland pig and Rongchang pig. What are the main breeds suitable for domestic sows?

What are the sow breeds?

Binary sowing

That is, the first generation of hybrid (growing or growing) sows produced by crossbreeding Landrace with Landrace or Landrace with Landrace.

Binary sows whose parents come from different exotic breeds are called "foreign binary sows".

Exogenous sow refers to a hybrid sow produced by crossing two imported pigs, such as Yorkshire× Landrace, Yorkshire× Sieger, Duroc× Yorkshire, Duroc× Landrace, etc. This kind of external binary sow has the advantages of large size, high lean meat rate, moderate litter size, plump posture, strong limbs, straight back and waist, no hoof and no diarrhea. Under good feeding conditions, it has high production performance and market price, and most farms and farmers like to raise basic sows.

The representative breeds of pigs can be divided into two categories: local breeds and cultivated breeds. Local varieties refer to some ancient varieties that originated in China and have a long cultivation history, and are suitable for farming in rural areas. Cultivated varieties are new varieties bred by crossing local varieties and imported varieties in China since the founding of New China.

Local varieties

There are 64 local varieties, which are divided into North China, South China, Central China, Jianghai, Southwest China and Plateau.

North China type, such as Min pig in the northeast, Bamei pig in the northwest and Huanghuaihai black pig.

South China type, such as Guangdong and Guangxi Xiaohua pig, Hainan pig, South Yunnan small ear pig and Xiang pig.

Central China type, such as Hunan Dazhaizi pig, Ningxiang pig, Central China Liangtouwu pig, Zhejiang Jinhua pig, Guangdong Dabaihua pig, etc.

Jianghai type such as Taihu pig and Jiangqu sea pig.

Southwest type such as Wujin pig, Neijiang pig and Rongchang pig.

Plateau type is like Tibetan fragrant pig.

cultivated variety

There are more than 20 breeds in China, including Harbin White Pig, Shanghai White Pig, Yili White Pig, Ganzhou White Pig, Hanzhong White Pig, Sanjiang White Pig, Xinjin Pig, Xinhuai Pig, Beijing Black Pig, Shanxi Black Pig, Northeast Flower Pig, Pan-agricultural Flower Pig and Beijing Spots.

There are four major pig breeds in the world today, which are famous for their fast growth rate, high feed conversion rate, high carcass lean meat rate, wide distribution and large feeding capacity. They are Yorkshire, Landrace, Duroc and Hampton.

1, Yorkshire pig, also known as large white pig, is native to England. All white, big and well-proportioned, muscular, plump hind legs and buttocks, long head and neck, slightly sunken face, erect ears and weighing 300 kg. Good reproductive performance, fast weight gain, high feed utilization rate, good carcass quality and good meat quality.

2. Landrace pig, originally from Denmark, lean meat type. All white, large and streamlined, with light head and shoulders, developed hindquarters and straight back and abdomen. The nose and mouth are slender, the ears are leaning forward, and the limbs are tall and thin. Good reproductive performance, fast weight gain, high feed utilization rate and good carcass quality, but inferior meat is often produced due to stress before slaughter.

3, Duroc pig, Duroc, native to the United States, fresh and tender meat. The coat is brown and red, the body is big and thick, the back and abdomen are straight, the muscles are developed, and the ears are semi-upright. Easy to feed, fast growth and development, high feed utilization rate, good meat quality and low reproductive performance.

4. Hampton pig, Hampshire, native to the United States, fresh meat type. There is a white belt around the shoulders and forelimbs, and the rest is black. Fast growth, high feed utilization rate, good meat quality and low fecundity.