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How is the boar segregated during the isolation period?

Training boars is a very important job. We must make adequate preparations: environment, materials and personnel. During the process of training boars, a good relationship with boars is made to make them feel comfortable and safe, and boars themselves climb the fake sows. For difficult to adjust boars, we try a variety of stimulation methods, several methods can be recycled, or even use Xie Kang; doing a good job in training and recording sperm, and remarking the characteristics of boars, can greatly improve work efficiency. The boar must remember: Be kind to boars and be patient.

I. Introduction

In pig production, boar training is a very important work, and is a key step to improve the utilization rate of boars. PIC China will introduce boars from the breeding core groups of the United States and Canada every year, so that the best genes will be introduced into China in time. Before entering the PIC core farm, the imported boars should be quarantined for 45 days in the exit and quarantine inspection (CIQ) quarantine field of the exporting and importing countries. When entering the Chinese Quarantine farm, most boars are at the age of 8-10 months. During the isolation field, PIC has professional personnel to educate all the imported Boars of large age.

In June 2017 and October, PIC China imported 48 and 50 high index boars from abroad. After the efforts of the staff, the success rate of boar's final training was 99% (see Table 1). Here we will share the experience with you and hope to help you.

Two. Preparation for training.

Adequate preparation is the first step and the most important step in the whole process of training. The preparatory work is divided into the following three aspects:

1. alleviating boar stress as soon as possible: boars will experience fatigue or stress after long distance transportation. Therefore, these boars must be provided with a good living environment to reduce their stress response. The optimum temperature of the pig house is 18-20 degrees, and it also provides enough water for the boar (water speed can not be less than 3L/min) and high quality feed.

2. preparation for isolation yard facilities: pigpen yard should be convenient to drive pigs back and forth, and it can ensure communication between boars. It is suggested that the pig house prepare two kinds of sperm collecting barriers, one size is 1.1-1.2m*2.5-2.7m, and the other is 2m*3m (2m*3m). Equipped with better quality fake sows, it is recommended to prepare two or more (both fixed concentrate and ready to move). If there are only large columns in the segregation area, it must be a boar, avoiding boars fighting and climbing each other.

3. make a training plan: two times a day (morning / afternoon), 15 minutes for each pig, and arrange enough personnel to participate in boar breeding and training.

Three. Boar training method

In the process of training boars, the boars with strong sexual desire, mental state and good health should be given priority. As far as possible, boars can cross themselves and give proper stimulation. Boar training methods are mainly divided into four parts: establishing good relations with boars; giving appropriate stimulation; trying hard to irritate boars with various stimulations; and keeping clear records to improve work efficiency.

1. establish a good relationship with boars: the success rate of boar education depends on the relationship between people and boars. When boars reach sexual maturity, when they feel safe enough and confident enough, they will crawl across the fake sow platform for sperm collection. How to treat them determines whether they can succeed in training. If boars are treated comfortably and comfortably, such as touching their ears and trying to communicate with them, boars will be confident and calm in front of people. If boars get rough and uncomfortable treatment, they will show fear and be hard to adjust. If a boar doesn't climb a fake sow stage in a day's training, he encourages him to say "good boy" and gently drives him back to his bar, and continues to try to tune in on the second day. Being a good boar is a key factor in regulating boars. Don't be too hasty in driving pigs. Let them walk freely. In the process of driving pigs, they are allowed to contact their nose with other boars, which is conducive to arousing their sexual desire.

2. to give boars appropriate stimulation: when boars are transferred to the ejaculation column or training area, attention should be paid to observing the behavior characteristics of boars, which will help the boars to successfully climb quickly. Understand the characteristics of boars, take it as a skill to adjust the boar, find its favorite stimulation way, so as to improve the efficiency of training. For example, when a boar is transferred to a sperm collecting column, it is especially nervous and frightened. It will be turned back into its own column, and a fake sow station will be transferred to the column of its life to adjust. The boar will feel very comfortable in its own territory. If boars do not climb across the body, try to rub and stimulate the foreskin area to ejaculate. Gently and firmly push the head close to the fake sow platform with the elbow, rub the fake sow platform or try to sit on the fake sow platform, and remember to communicate with the boar all the time.

3. try to use many ways to stimulate difficult to adjust boars:

If boars are still afraid of people in their own hurdles, the fake sows will be fixed in the hurdles, and the staff will go away so that the boars themselves will try to contact the fake sows. If boars climb the fake sow stage, the staff can go past the boars as far as possible, adjust their posture and stabilize them, and then try to collect sperm. The whole process is best matched by two people. If boars are still not interested in climbing, they can be reared between the boars who have been successfully trained by changing the hurdles, and can be trained by hurdling and collecting sperm.

If the boar is still nervous and afraid of climbing, it can be rushed to the sow area to avoid contact with estrus sows. If there is any movement across the sows, it will be rushed back to the collecting column to try to climb the sow. If boars don't climb, contact them every day, two times a day, 15min each time. After constant stimulation, it will climb the fake sow stage.

When a boar is picked, the unsuccessful boar can be observed next to it. Usually, the boar observed outside the bar will show an excited state. After finishing the sperm, the boar will be rushed into the sperm collecting column to try to adjust.

If all of the above methods have not been tried, you can consider the use of Hei Kang Kang boar. Take Xi Kang Kang as the last method. It is suggested that injections of heisekang (cervical muscle injection) should be injected into the boar's own hurdles, and placed in the aisle and exposed to other boars, about 10-15min. If the training is not successful, the next 3-4 days can be repeated injection of Hei Kang Kang, if the boar still does not climb across the fake sow platform, let it rest, stop using Xi Kang Kang for 5-7 days. Normally, after 1-2 times of injection, most boars will cross the fake sow stage. If successful, the next step will be no longer using hormones.

Four Recordings collection records: in the process of boar training, daily records are very important. Using the 5 point system to record the performance of boars in training, they can clearly record the behavior of every boar and their response to the training, so that before each training, we can check the situation of the boar's past training so as to formulate this training method, which will effectively improve the training. Efficiency.

Four. Conclusion

Training boars is a very important job. We must make adequate preparations: environment, materials and personnel. In the process of training boars, a good relationship with boars is made to make them feel comfortable and safe, and boars themselves climb the fake sow platform. Some boars that are interested in the fake sow stage but have difficulty in climbing, can give some stimulation, such as friction wrapping area or back; for difficult to adjust boars, try various stimulation methods, and several methods can be recycled. Doing a good job in training and collecting records, and remarking the characteristics of boars can greatly improve work efficiency. The boar must remember: Be kind to boars and be patient.

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