1, large white pig
You Zhu is called "Big Yorkshire Pig". Originally from Britain, it is specially called "British Large White Pig". After being introduced into the Soviet Union, it became a "Soviet white pig" after long-term domestication and cultivation. The latter is stronger than the former, with strong limbs and suitable for grazing. It was cultivated in England in the18th century.
2. Big Yorkshire Pig
Yorkshire pigs are native to Britain and distributed all over the world. It has been launched for many years. Because of its large size and white coat, it is also called large white pig. Big Yorkshire pig has the advantages of large litter size, fast growth, high feed utilization rate, high carcass lean meat rate, good meat color and strong adaptability.
Yorkshire pigs are tall, with white fur and several black spots on their skin. The head and neck are long, the face is slightly concave, and the ears are upright and forward; The body is long, the back is straight or slightly arched, the belly line is flat, the chest is wide and deep, and the back is wide and full. Yorkshire pigs are often used as the first male or female parent of hybridization.
3. Large white pig
Large white pig is the general name of Guangdong big-eared black-and-white pig, which is formed by merging Dahuawu pig, Jinli pig, Meihua pig, Liangcun pig, Bos pig and Nipo pig distributed all over Guangdong, and is collectively referred to as large white pig from 65438 to 0983. In the past, farmers used to name their places of origin and diaspora. So the big white pig has many common names.
At present, large white pigs can be divided into three strains, namely, northern Guangdong strain, central Guangdong strain and eastern Guangdong strain. The coat color of the three strains is quite different, and the black coat coverage rate of the northern and eastern Guangdong strains is higher than that of the central Guangdong strain. There are significant differences in sow body shape and reproductive performance among the three strains, but there are no significant differences in other traits of boars between the northern Guangdong strain and the central Guangdong strain except tail length.
4. Duroc pig
Duroc pig, also known as "universal pig breed", is native to New Jersey and New York in the eastern United States. Its main parent is a cross between Duroc pig in new york and Jersey red pig in New Jersey. Originally named Duroc Jersey, later named Duroc, it is divided into American Duroc and Canadian Duroc. Duroc, produced in Taiwan Province Province, China, was cultivated into its own style, so it was called Duroc in Taiwan Province Province or Duroc in Taiwan Province.
5.pierant pig
Pitland pig originated in brabant province. It is made by backcrossing French Bayo crossbred pig with British Berkshire pig, and then crossing with British Yorkshire pig. Pitland pig is famous for its outstanding high lean meat rate. Among all well-known varieties, it has the highest lean meat rate, the most plump muscles, and well-developed back and waist muscles and leg meat. In today's pig market, where lean meat percentage and body shape are concerned, Pitland pig is a breed with great utilization value.