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The difference between Changbai and Duroc

2026-07-07 08:16
2026-07-07 08:25

The main differences between Landrace, Large White, and Duroc pigs were as follows: ** 1. Origin ** 1. ** Long White Pig ** - It was produced in Denmark and was bred from the cross between the Yorkshires and the Danes. 2. ** Big White Pig ** - It originated from the United Kingdom. Due to its wide distribution in the world, different countries formed different families after selection, such as the British family, the French family, etc. 3. ** Duroc Pig ** - It is produced in the northeastern United States. Its main parents are the Duroc of New York and the jersey red of New jersey. ** 2. Appearance ** 1. ** Long White Pig ** - The whole body was white, the head was narrow and long, the ears were inclined forward, the body was long, there were 1 - 2 more vertebrae than the average pig, the chest was shallow, the back was flat or slightly arched, the thighs were full, and the buttocks were developed. 2. ** Big White Pig ** - The whole body is covered in white hair, but there are occasional small dark spots on the forehead. The ears are of moderate size and upright. The mouth is straight, the face is flat or slightly concave, the head is of medium size, the lower jaw is occasionally drooping, the chest is wide, the back and waist are straight, the abdomen is well developed but not drooping, the legs and buttocks are muscular, and the limbs are thick and strong. The whole body shows a "rectangular" shape. 3. ** Duroc Pig ** - The fur color was brownish-red, but there were also golden to dark brown. Cherry red was the most popular. Black spots might appear on the skin, but black or white hair was not allowed on the body. The ears were medium-sized and slightly drooping forward. The back and waist of an adult pig were slightly arched, the muscles on the back were full, and the limbs were thick. ** 3. Production performance ** 1. ** Long White Pig ** - The growth and development were fast, and the feed utilization rate was high. Each litter had 10 - 12 pigs. The newborn piglet weighed 1 - 1.5 kg, and the adult boar weighed more than 250 kg. The meat quality was good, but its long limbs were weak, its skin was thin, and its resistance to the sun and skin diseases was weak. It required high feeding conditions. 2. ** Big White Pig ** - It had a large body, strong reproductive ability, high feed conversion rate, high slaughter rate, and strong adaptability. The average number of piglets in a litter was usually more than 10. The back fat of 100 kg was usually no more than 20 mm, and the growth speed was fast. It could usually reach 100 kg in 150 - 155 days after birth, and the lean meat percentage of the carcass could usually reach 65%. 3. ** Duroc Pig ** - As a meat-type breed, the average 158-day-old live weight of the growing-finishing pig was 95 - 100kg, the daily gain was 760g, the feed conversion ratio was 2.8 - 3.0: 1, and the carcass lean meat percentage was 60 - 65%. Sows had high fertility and good maternal instincts. Primiparous sows gave birth to about 9 sows with an average birth weight of 1.20kg. Multiparous sows gave birth to about 10 sows with an average birth weight of 1.30kg. Boars weighed 340 - 450kg and had a body length of 160 + 6.0 cm, while adult sows weighed 360 - 390kg and had a body length of 157.9 + 4.3 cm. The gilts showed their first estrus at 6 - 7 months of age and began mating at 9 months of age. ** 4. In terms of roles in the hybrid system ** 1. ** Long White Pig ** - It can be used as an important maternal or paternal breed in the hybrid system. 2. ** Big White Pig ** - Due to its strong reproductive ability and other characteristics, it was often used as a maternal or paternal breed in the hybrid system. Through the use of matching pig technology, it could be divided into two types, paternal and maternal. 3. ** Duroc Pig ** - It was mostly used as the paternal line of crossbred pigs. When it was used to improve local breeds, it had a significant hybrid advantage as a terminal paternal line. Changbai's novel is equally exciting. Everyone is welcome to click and read it!

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2026-07-07 15:14

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2026-07-07 15:14

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2026-07-07 15:14

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2026-07-07 15:14
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