One, tail off
In order to avoid the piglets biting each other, the scale farms usually conduct tail-clamping. The tail should be closed before 7 days of age. The best time is 1-2 days. The length of the tail stump depends on the standard operating procedures of the farm. Usually, the length of the tail stump is at least 2 cm so that the stump on the tail can cover the sow's cunt.
The tail-breaking should be done in a clean environment and can be done with dental shears, pliers, scissors, scalpel blades, and electrical cauterization. It is best not to use bactericide or other ointment before the tail is broken. To prevent bacterial infection, disinfectant can be applied to the tail root wound after the tail is broken.
Second, broken teeth
Piglets are born with eight sharp teeth that need to be cut off. These juvenile teeth are very sharp and can scratch the sows' breasts. When biting, they can also scratch the skin and cause secondary infections. The problem of sows with residual piglets may be related to the juvenile teeth of piglets. Usually cut off part of the tooth within 1d after birth. When cutting teeth, different methods should be adopted depending on the part of the teeth and the different tools used.
To prevent blood vessel and nerve exposure and infection in the pulp cavity, the best way is to cut only the sharp part of the tooth instead of pulling it out. Since the piglets will find a suitable nipple within 72 hours of birth and establish a sequence for breastfeeding, once they have exceeded this time, they will be able to increase their chance of infection. Piglets will not affect the levels of corticotropin, cortisol, or lactic acid in the body.
Third, castration
Castration is an important part of the pig raising process. Castration not only softens the pig's temperament and reduces fighting, thereby increasing the pig's growth rate, but also improving the quality of the meat and further increasing economic efficiency. Castration surgery is very stressful for piglets. Therefore, castration must take reasonable actions.
1, castration time: 7-10 days old piglets. About 10 days of age castration, piglets are still within the scope of maternal antibody protection, and castration surgery is easy to operate, less stress response, less bleeding, wound recovery faster.
2. Castrated piglets must be healthy and well-being. Weakness, illness, including cough, wheezing, diarrhea, etc., must be performed after some time of recovery.
3, castration surgery should be sunny and warm weather. Avoid rainy and wet weather.
4. When castrated, weaning and immunization should not be performed at the same time. It is easy to have a strong stress on castration, and stress is the trigger for the disease. If you use a vaccine again, it is worse. Should be staggered for some time.
5, epidemic disease should not castrate. Avoid surrounding pathogens invading pigs through the wound.
6, doll pig surgical incision as far as possible in the lower part of the scrotum, so that blood and ascites can not be retained, easy to infect inflammation, the incision is easy to heal.
7, anti-infective disinfection and heavy observation. Sterilization of the pig house the day before the castration can reduce the number of pathogenic microorganisms in the environment and reduce the chance of pathogenic microorganisms coming into contact with the knife edge.
Surgery Department Cleaning and Disinfection: Carefully clean the operating area and surrounding skin with soap, then iodine disinfection, 75% alcohol deiodination. The operator's fingernails must be polished and the hands must be cleaned and disinfected.
Postoperative: The piglets should be moved into clean, dry and ventilated housing. Note that the incision hemostasis treatment, timely observation of the surgical site is edema or bleeding. For symptomatic secondary occlusion secondary symptomatic treatment. In order to prevent mosquitoes and flies from biting, mosquito repellent and other medicines can be sprayed in the pens, and iodine is applied around the operation. At the same time during the castration, the incision site should be strictly sterilized to prevent the tetanus bacillus from entering the incision. After surgery, the fluid in the pig's urethra was squeezed out.
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