Investigating pigs from other places should pay attention to 4 matters

What should be paid attention to when introducing pigs from other places? The formation of pig breeds is the result of long-term selection and manual selection in certain areas and under certain conditions. Therefore, they are highly adaptable to local environmental conditions.

In order to utilize heterosis and breed new varieties, the following four items should be noted when introducing from the field:

(1) To select the pig species for the purpose of crossing the hybrid or cultivating new varieties: when used for cross-breeding, you should choose a pig breed with a better combination of local cross-breeding, or refer to the experience of a region with similar local conditions, and then decide which one to introduce. Several pig breeds. If it is to improve and cultivate new varieties, the economic type and production performance of the introduced pig breeds should meet the needs of breeding work and be of strong heritability. It is necessary to pay attention to the choice of the individual, to find out the lineage, and the purchased pigs have no blood relationship with each other. Investigate whether its parent has a genetic defect, and should take the pedigree pig breed card and keep it for future reference.

(2) Understand the characteristics of variety, climate, feeding management, etc.: When introducing seeds, you should understand the local climatic conditions, feed resources and feeding management methods, and better understand the characteristics of the varieties in order to determine the domestication measures after the introduction, and create necessary breeding management. condition. For example, the introduction of southern pigs into the north is to be introduced at the end of spring, so that after the summer, the temperature will gradually decrease, and the winter and winter seasons will be spent. After the winter, it is necessary to do cold work and gradually enhance its cold resistance. The combination and feeding methods of the diet should be as close as possible to their original habits, and slowly changed to gradually adapt to the local natural conditions.

(3) Introducing young pigs: Pigs have strong adaptability at the young age and are more likely to accept changed living conditions. Therefore, it is best to introduce young pigs around the age of Wuyue or slightly larger when introducing pigs.

(4) Others: In accordance with the planned introduction of the regulations, the variety should not be too much. The pigs that are introduced should not be dispersed. They should be concentrated in one or several pig farms in order to strengthen the management of feeding and introduction, and facilitate the selection and then gradually promote. In order to prevent the spread of diseases, the introduction of pigs must be quarantined. When introduced from other places, it should be kept in isolation for 1-2 months, strengthen epidemic prevention measures, and prevent and eliminate endemic parasites and infectious diseases to ensure safety.