Introduction to the breeds of Yorkshire pigs

Yorkshire Pig, also known as Big White Pig, Yorkshire, is native to England. Because of its large size, strong reproductive ability, high feed conversion rate, slaughtering rate and strong adaptability, Yorkshire pigs are raised in all developed countries in the world, which is the most famous and widely distributed dominant lean pig breed in the world. Next, the editor will talk about the introduction of the breed of Yorkshire pigs. Let's take a look.

1. Place of origin

The Yorkshire pig, which was bred in England in the 18th century, is a famous breed in the world. It has been introduced to many countries because of its large size and rapid weight gain. There are more breeding heads in Hubei, Hunan, Zhejiang, Jiangxi, Henan, Liaoning and other provinces in China.

2. Variety characteristics

About gram pig is large and symmetrical. It has excellent properties such as strong adaptability, high fecundity, fast growth rate, high lean meat rate, good meat quality, strong physique and so on. Erect ears and straight nose. There is a small bow in the waist. The limbs are higher. The fur is all white, and there are small dark spots on the horns.

3. Variety performance

The average body weight of 24-month-old boars is 263 kg, body length 169 cm, chest circumference 154 cm, body height 92 cm, and adult sows 224 kg, 168 cm, 151 cm, 87 cm. Yorkshire pig is one of the famous meat breeds in the world. It is widely distributed in our country and has good adaptability, which has the characteristics of fast growth, high feed utilization rate, high lean meat rate, high litter yield and so on, but it has some shortcomings, such as unstable hoof, multi-hoof disease and so on.

4. Production performance

(1) fattening performance: fast weight gain, saving feed, 6-month-old birth weight can reach about 100 kg. Under the condition of good nutrition and free feeding, the daily gain can reach about 700 grams. About 3 kg of formula feed is consumed per kilogram of weight gain. When the body weight is 90kg, the slaughtering rate is 71% Mel 73%, and the lean meat rate is 60% Mel 65%.

(2) Reproductive performance: 11 sows were born, more than 7 pairs of nipples were born, and mating began at the age of 8.5-10 months.

5. Variety introduction

There are three breeds of large, medium and small Yorkshire pigs, which are called large White, medium White and Little White respectively.

The main results are as follows: (1) large White Pig belongs to cured meat type, which is the most widely distributed pig breed in the world. The adult boar weighs 300 to 500kg and the sow weighs 200kg to 350 kg. It has a strong fecundity, giving birth to ten to twelve babies per birth.

(2) the body type of Zhongbai pig is between the two, and it belongs to meat type.

(3) Little White pigs are precocious and easy to fertilize and belong to fat type.

These are the breeds of Yorkshire pigs. There are more large white pigs in China. In recent years, among the large white pigs introduced from abroad (mainly from Canada, including other countries), some breeding pigs have well-developed dorsal muscles and hindquarters muscles, which are called double-muscle buttocks large white pigs in China.

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Agricultural products you may be interested in: the national supply of Yorkshire pigs