Castration of roosters is a common practice in poultry farming that brings several benefits. After the procedure, roosters lose their sexual function, become more docile, eat less, grow faster, and are easier to manage. Additionally, their meat quality improves significantly. The optimal time for castration is around 1.5 months of age, and it's best to perform the surgery on a sunny day when the bird is calm.
The testes are small, about the size of peanuts, and the procedure is generally straightforward. Essential tools include a scalpel, dilator, testicular spoon, Baoding rod, ponytail, or nylon thread. The incision should be made in the upper third between the last two ribs. The area is typically yellowish and oval-shaped. The lungs lie in front of the testes, the kidneys behind, and the intestines below.
To begin, gently tie the wings together and secure the legs to the Baoding rod. Place the bird on its right side. Remove the feathers around the surgical site and disinfect the skin with iodine. Using your left hand, lift the skin and muscle near the hip and lumbar region to expose the area. With your right hand, make a 2-3 cm incision at a slight angle along the rib cage. Use the dilator to open the incision and carefully puncture the peritoneum with the hook attached to the knife.
With the testicular spoon in your right hand, gently move the intestines aside to locate the testicles. Hold the testicle set with your left hand and use the spoon to trap the tail of the testicle. Carefully pull the testes out from back to front. Cut the mesentery using a sawing motion and remove the testes. A skilled operator can perform the procedure on one side and remove both testicles at once, while beginners may need to do each side separately.
After removing the testes, take out the dilator and align the skin so that the edges overlap naturally. In most cases, suturing is not necessary, but if the incision is long, you may need to stitch 1-2 points. Before the operation, ensure the rooster has fasted for 12 hours to empty the digestive tract, which makes the surgery easier.
The surgical site must be precise to avoid damaging the abdominal cavity. If bleeding occurs, stop it immediately. Post-surgery, place the rooster in a clean, dry area to prevent movement and monitor it for 3–5 days to ensure proper healing. If the wound becomes swollen, you can gently puncture it with a needle to release fluid. Clean the area with saline solution and apply an anti-inflammatory powder as needed.
Lower limb External Fixation
External fixation of the lower limb is a treatment used to fix a fracture or dislocation of the lower limb.The functions of these external fixation methods are mainly as follows.
1. Stabilize a fracture or joint dislocation.External fixators can fix the bone or joint in the correct position to prevent further displacement or dislocation,thereby promoting the healing of the fracture or joint dislocation.
2. Pain relief,external fixators can reduce pain and discomfort by fixing and supporting fractures or joint dislocations.
3. Promote fracture healing,external fixator can provide a stable environment,promote fracture healing and bone tissue regeneration.
4. Protect surrounding tissues.External fixators can protect surrounding soft tissues (such as muscles,tendons and blood vessels) from further damage and reduce the occurrence of complications.
In general,the classification and function of lower limb external fixation is mainly to stabilize and protect fractures or joint dislocation,promote healing and restore function.The specific treatment should be selected according to the patient's condition and the doctor's advice.
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