Sometimes the number of breeding pigs in the farm is not enough or the quality is low, and the structure of the farm will be adjusted by selecting the purchased pigs. However, there are many places to pay attention to when purchasing pigs from outside, such as the proportion of breeding pigs, transportation, isolation, etc. So what issues need to be paid attention to during the process of outsourcing?
First, the ratio of male to female
The breeding pigs are divided into boars and sows. Because the number of boars and sows used in the actual breeding process is very different, the farmers should arrange the outsourcing ratio of boars and sows when the pigs are purchased.
1. Bentong breeding farm
For a farm that uses the method of breeding, in theory, one boar can be used to breed 20 sows, so the optimal ratio of specific boar sows to outsourcing is 1:20.
2. Artificial insemination pig farm
For farms that use artificial insemination, a boar can theoretically breed 100 sows, so the optimal ratio of specific boar sows to outsourcing is 1:100. In addition, in order to prevent the death of individual boars or poor fertility, in addition to the established outsourcing proportion of boars, it is best to buy a few boars according to the actual situation just in case.
Second, transport isolation
In addition to the out-of-purchase piglets, the purchased pigs are required to carry out additional precautions during the transportation process and within two months of the arrival.
1. Pig transport
In the case of pigs, there are two main causes of injury and death during the transportation process. In order to avoid these two accidents, the pigs must be strictly disinfected before they are ready for transportation, and the potential pathogenic microorganisms can be effectively killed. In order to avoid the trauma of the breeding pig during transportation, it is best to protect it with a clean litter inside the pig car. In addition, in today's high weather conditions, farmers should also guard against the occurrence of heat stroke during the transportation of breeding pigs. The Huinong School also had an article on how to prevent heat stroke in pigs during transportation.
2, isolation
The purchased pigs or piglets cannot be reared in groups, and the pigs must be purchased separately for about two months. The feed amount of the pigs within 5 days of the first arrival of the pigs should not be too large, and the too large amount of feed will cause indigestion in the purchased pigs. In the water supply, we must ensure adequate and clean drinking water. If you have the conditions, you can add some electrolysis to the pigs to replenish energy in the drinking water. If there is an epidemic in the local area, preventive doses of florfenicol and amoxicillin can be added to the feed after 7 days of breeding to enhance the epidemic prevention. After two months, if the introduced pigs do not have a disease, they can be grouped and grouped according to the size of different individuals.
Third, scientific selection
The corresponding criteria for boars and sows are not the same when they are specifically selected. Weight standards are also applicable for reserve boars and gilts. So how big is the breeding pig? According to the data of the major pig farms, the reserve pigs of about 85 kg are most suitable for being introduced into their own farms. The maximum should not exceed 120 kg and the minimum should not be less than 80 kg. Such a reserve pig is not only easier to raise, but also the highest cost performance.
   Fourth, the specific selection criteria for breeding pigs
1. Sow purchase criteria: Whether a gilt is good or not should first consider its ability to lactate in the future, so the number of nipples in the gilts is the first criterion to be considered. In general, the number of nipples of a good sow should not be less than 12, and should be arranged neatly and beautifully. Secondly, we should examine the structure of the sow. In general, sows with stronger limbs, flat back, and a clear head and neck are good sows. There is also the temperament of the gilts must be gentle, if the more violent sows are troublesome even after a healthy day. Poor maternality can be very detrimental to feeding piglets.
2, the standard of boar purchase: Judging whether a reserve boar is good or not should first consider the development of its sexual organs, good reserve boar testicular development will be more perfect and symmetrical, uniform size (this is why outsourcing pigs can not For reasons of less than 80 pounds, too small reserve boars are not good at seeing the development of sexual organs). Such a reserve boar will generally have a strong sexual desire after maturity, so the breeding ability will be stronger. Secondly, the shape and structure of the boar are examined. In general, a reserve boar with strong limbs and a relatively thick, flat back and wide back is a good boar. However, in terms of temperament, the requirements for reserve boars and gilts are different. It is not good to keep the boars docile. It is necessary to select those active and responsive reserve boars. These pigs will become the backbone of the breeding of pig farms in the future.
The above are the three places that need to pay attention to outsourcing pigs. Only the selection of good breeding pigs can bring more high quality piglets to the farm, adjust the structure of the farm and increase the economic benefits of the farmers.
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