Since as a result of the castration, the sexual activity of pigs completely stops (the sex glands are removed), you need to determine in advance which boars should be left for further reproduction, and which you will fatten for meat – that’s what they are worth castrating.


When non-castrated boars become neutered hogs, their increased aggression disappears, and the animals become calmer

In growing boars, under the influence of sex hormones, substances such as testosterone and skatol begin to form in the body, which permeates all the meat of the boar with a specific smell. It is unlikely that you have ever tasted the meat of an unpasteurized boar, otherwise you would well remember how unpleasant it smells when cooked. With the removal of the testicles, where the hormones responsible for the “fragrance” of the boar are formed, the characteristic smell disappears, and the meat becomes quite suitable for eating.

In addition, after the castration procedure, the piglets ‘ metabolism and blood chemistry completely change, so they are better fattened, the pork is tender, soft, and contains more fat layers. Castrating pigs is profitable because castrates require less feed for weight gain, and their meat is more valued by consumers.

We should also note the positive effect of castration on the character of pigs: when non-castrated boars become castrated hogs, their characteristic increased aggressiveness disappears, the animals become calmer.


By and large, you can castrate both small pigs and adult boars at any age. But the younger the Piglet, the easier it is to tolerate the operation, and castration of boars in adulthood is fraught with complications. Therefore, pig breeders generally try to castrate boars for up to one and a half to two months.

Although some castrate small piglets three to five days old, explaining this by the fact that at such an early age, the operation for piglets is the least traumatic, blood loss is negligible, the wound heals very quickly and without consequences, and the animals themselves are much less resistant.

You can castrate both small pigs and adult boars at any age

The younger the piglets, the easier it is to castrate them at home without helpers.

Experts also recommend castrating boars for five days before weaning them from the sow, so that the wound has time to heal before the young are transferred to separate enclosures. In addition, according to research by scientists, piglets neutered at one week of age grow more slowly than those who were neutered at two weeks.

In whatever time frame you plan to castrate, remember that boars intended for bacon fattening, you need to undergo surgery before reaching the age of two months. And animals reared for fattening are castrated no later than six months, otherwise, their sexual instincts are preserved even after the removal of the sexual glands, and the group maintenance of pigs becomes difficult.




If you intend to castrate a pig yourself without using a machine, you will need an assistant who will hold the animal firmly

The best option is to entrust the castration of pigs to a veterinarian or an experienced person who has a special machine for this purpose. Small piglets do not need to be anesthetized, but you can use a local anesthetic. For adult boars, azaperon (4% solution) is used intramuscularly.

Piglets are castrated in an open way, cutting the scrotum so that the testis goes beyond its limits. The transitional ligament is separated with a scalpel or finger and a ligature (sterile threads without a needle) is applied to the seminal cord, removing it at a distance of one and a half centimeters from the ligature.

For castration of adult boars and pigs with hernias, a closed method is used, in which they dispense with opening the vaginal membrane. Instead, it is dissected from surrounding tissues using a gauze swab. Then at the inguinal ring, a suture is placed on the seminal cord and the testis is cut off below it.

If you intend to castrate a pig yourself without using a machine, you will need an assistant who will hold the animal firmly. Castration is performed at home so:

  • the Piglet is fixed by placing its back to itself on its knees, or by taking the hind legs and pinching its head between its knees;
  • the castrator grabs the scrotum and pulls it so that it is convenient to cut the skin parallel to the white strip;
  • after making an incision, the testicle is squeezed out of the shells, separating it from the transitional ligament;
  • holding the testicle with the left hand, the seminal rope is firmly grasped with the fingers of the right hand as low as possible and cut it off;
  • the same is done with the second testicle;
  • after the operation, the wounds are treated with tincture of iodine.

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