Matters needing attention in the introduction of breeding bull

As the saying goes, "the cow has a good litter and the bull has a good slope." Especially with the increasing popularity of cold matching technology, the demand for the quality of breeding bulls is getting higher and higher, and it is more and more important to improve and improve the whole herd. Therefore, for cattle farms, when going out to buy imported bulls, farmers must pay attention to the following.

First, the preparation before introduction. Before introduction, the isolation house should be thoroughly cleaned, disinfected and empty for at least a week, sufficient grass, materials, anti-stress drugs, common epidemic treatment drugs, etc., and feeding and management personnel and professional and technical personnel should be arranged.

Second, the choice of cattle breeding farm. We must choose cattle breeding farms with large scale, high credibility, "breeding livestock production and management license", sufficient seed supply capacity, good after-sales service and high technical level.

Third, the selection of breeding bulls. 1. Genealogy is required to be clear. Through pedigree records is an important way to compare the advantages and disadvantages of cattle, therefore, the introduction of cattle farms must have production records and pedigree, records must be detailed, such as production performance, growth and development, identification grade, etc., at least three generations of clear, incomplete records shall not be purchased. 2. Quality requirements. The characteristics of the selected varieties are obvious, the appearance and coat color meet the requirements of the varieties, the male characteristics are obvious, the reproductive organs are normal, the two testicles are large and symmetrical, the structure is symmetrical, the body is tall, the physique is strong, the waist angle is obvious but not prominent, the ribs are slightly exposed, and the drooping meat is not abundant; the semen quality is up to the standard, and there are no obvious defects in body appearance.

Fourth, matters needing attention in transportation. 1. Choose good weather transportation. 2. The transport vehicles should be thoroughly disinfected. 3. Go through the quarantine procedures. 4. the vehicle should drive smoothly and make the cattle comfortable as much as possible in the process of transportation.

Fifth, quarantined breeding. After arriving at the scene, thoroughly disinfect the body surface and transport equipment of the bull with a small irritant, rinse it with clean water and enter the isolation house for isolation and breeding. Strict epidemic prevention measures must be taken to avoid incoming diseases. After 45-60 days of isolation and observation, after re-quarantine, no disease can be raised in groups. Long Zhaohui