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Piglet castration technology and problems

Piglet castration technology and problems

(Summary description)In order to make pigs grow faster, the piglets are often castrated during the breeding process of piglets, but the technique of piglet castration seems simple, but if it is not done well, many problems will occur.

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In order to make pigs grow faster, the piglets are often castrated during the breeding process of piglets, but the technique of piglet castration seems simple, but if it is not done well, many problems will occur. Such as pigling castration time selection, castration requirements for the knife edge and so on. The following is an introduction to piglet castration technology and existing problems.

 

Piglet castration technique

 

1, sow castration technology

 

Commonly known as "little pick flower". The surgeon lifts his left hind limb with his left hand to move the celiac tube forward, pinches the left knee with his right hand to lie on the right side of the pig, steps on the left neck of the piglet with his right foot, and presses the knee joint with his right hand to make the left hind limb Straighten back, and then step on the left hind toe of the piglet with your left foot, so that the piglet's hind limbs line up with the head. The surgeon's left middle finger holds the hip joint at the lower left side of the piglet. The thumb presses the outside of the penultimate nipple on the left side of the abdomen about 2 to 3 cm (at the junction of hair and hairless hair). Holding the scalpel to the right, use the thumb and middle finger. 2. Control the depth of the incision with the index finger, use the tip of the knife to vertically cut the skin into a longitudinal incision of 0.5 to 1 cm, use a knife to push the hook end through the peritoneum, insert the bottom of the abdomen near the spine, and use the knife hook to gently bring the area in front of the surgeon. The uterus, the left uterine horn is fixed by the left finger, the uterine horn and the ovaries are pinched by the right thumb and index finger, and gently pulled outward to expose the uterine horns and ovaries on both sides as much as possible, and then quickly expose all the uterine horns on both sides And ovariectomy.

 

2, piglet castration

 

Take the left side of Baoding, the surgeon held the calf of the right hind leg of the piglet with his right hand, held the foreleg calf of the piglet with his left hand, lay sideways on the ground, stepped on the right ear and neck of the piglet with his left foot, and stepped on his right foot. Stay at the root of the piglet's tail, pinch the pig's scrotum neck with the thumb and index finger of the left hand, and squeeze the right hind limb with the rest of the fingers to push the testicle to the bottom of the scrotum, so that the scrotum is tightened and cannot slide. The tip of the blade is about 1 ~ 2cm, and a 2 ~ 3cm incision is made downward along the middle of the fixed scrotum (the incision is like the "eight" below), and the depth is enough to cut through the testicles, and then squeeze out Hold the testicles with your left hand, tear the sheath ligament with your right hand, cut off the testicular spermatic cord, and squeeze out the urine accumulation in the urethra of the piglets.

 

3, piglet flower castration

 

The left middle finger is pressed against the left hip joint, the thumb is pressed on the same side, and the second pair of nipples is counted backwards. This is the operation. The right hand holds a knife to cut the abdominal wall muscles and peritoneum along the edge of the left thumb. The incision is about 1cm long. Press the thumb tightly on the operation, requiring the site to be aligned, straight, and strong. Let the uterus and ovaries pop out of the abdomen and be removed.

 

4, hernia castration of piglets

 

前 Preoperative preparation: an anesthetic, a 10mL syringe, a suture needle through the sheep's bowel, the length of the sheep's bowel depends on the size of the incision, which is sufficient, and prepare a bottle of 800,000 units of penicillin. Piglet hernia castration is divided into left and right sides, and the procedure is the same. The left side is taken as an example.

 

First, an assistant lifted the piglet upside down. The piglet's abdomen was facing the surgeon. Local anesthesia was used to inject the anesthetic around the surgical site. After an interval of 2 minutes, the left thumb and index finger of the surgeon held the epidermis on the left side of the piglet and the right Hold a knife and make a 2 to 3 cm incision about 2 to 3 cm outside the penultimate nipple on the left abdomen of the piglet. Be careful not to cut into the shallow groin lymph nodes. After opening, insert the disinfected left index finger into the deep groin from the incision. , Hook out the leaky tube, use a suture needle to pass the leaky tube close to the abdomen from left to right, use the end of the suture to wrap the leaky tube a few times, then fasten, cut off the suture and the leaky tube, and then 80 Ten thousand units of penicillin were poured into the incision, and the incision was sutured with nodules.

 

Problems with castration of piglets

 

1, premature surgery

 

It is not good to castrate piglets too early or too late, and it is generally chosen to be performed 15-30 days after weaning.

 

2, preparation is not in place

 

前 The pig's spirit, body temperature, respiration, stool, hunger, etc. should be carefully observed before the operation. The sow should stop feeding a meal before castration, which will be of great benefit to the smooth operation and postoperative wound healing. In addition, castrated pigs should avoid hot and cold temperatures, and it is best to choose sunny, mild and windless weather.

 

3, easy to overlook

 

The surgeon's hands, knives, needles and needles should be washed repeatedly with disinfectant soap or soap, and then disinfected once with 5% iodine and 75% alcohol. The operation of the piglet must be disinfected with 5% iodine and 75% alcohol. Tetanus vaccine should be given before piglet surgery. In addition, pigs who have just undergone surgery should gently rush to a slow-moving state, and do not let the side of the incision sleep underneath to prevent infection or damage to the seal to cause inflammation.

 

4. Avoid mistakes

 

First of all, sows who are just in estrus should not be castrated. Newly estrus sows have less obvious morphological characteristics and are prone to miscarriage. Therefore, it is important to observe pigs that are going to be castrated. Followed by full-fledged pigs avoid castration. In addition, piglets who have just been transported from outside the country must choose castration at least 10 days later.

 

5, timely prevention and treatment of castration complications

 

The sooner the castration complications of piglets are treated, the better. Common post-mortem symptoms are:

 

1. Inflammation of the peritoneal mouth: The main reasons are that the disinfection is not strict or incomplete, the operation time is too long, or the hygiene is poor. During treatment, for mild symptoms, apply heat to the abdomen to dissipate adhesions. For those found late and with severe symptoms, cut the abdominal wall and separate the adhesion between the abdominal wall and the intestine. Rinse the incision with disinfectant and spray anti-inflammatory drugs. Continuous intramuscular injection of antibiotics such as penicillin for 3 to 5 days.

 

2. Incision bleeding: Excessive incision, excessive force, and deep stabbing of the sow during castration will cause damage to the external iliac artery, internal iliac artery, and other veins, causing intra-abdominal bleeding and external bleeding. Sperm cord stump and vas deferens are not hemostatic during boar operation. Improper force during operation can rupture spermatic cord blood vessels and scrotal wall blood vessels.

 

3. Tetanus: due to inadequate disinfection of the incision and surgical instruments during castration, Clostridium tetanus occurs through wound infection and is characterized by a strengthened response of the sports center to external stimuli and continuous muscle spasm contractions.

 

The piglet castration technique and the existing problems are the above. In addition, the piglet castration is as small as possible, but it must be of sufficient size to squeeze out the testes, otherwise the spermatic cord residue caused by unclean squeezing will cause inflammation. After castration is complete, be sure to observe carefully whether any residual spermatic cord remains on the outside. This can cause infections and the wounds heal very slowly.

 

Within five days after castration of the piglets, care must be taken to maintain the hygiene of the delivery bed. If the situation allows, it is best to use a disinfectant solution to mop the bed once a day for two days. Prevention and treatment of pathogenic infections. vvvvv

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