Castration of Pigs.pptx

Castration of pig is very important process in pig farming. It increases quality of meat and also assures sound health of the boar. The boar which are not used for breeding purpose can be castrated so that they can be used for meat purpose having high quality. These slides guide us the surgical approach of castrating pigs in farm condition. It guides us the right and efficient way of doing castration in pigs. The main reason of castrating pig is to remove the odour which comes from pig, which makes the meat not edible.

1. Overview On Castration of Pigs Presenter: Sachin Shrestha B.V.Sc & A.H, 6 th Semester Location: Paklihawa Campus 7/30/2023 Mr. Sachin Shrestha 1 Study Circle Session XII International Veterinary Students’ Association Paklihawa Paklihawa Campus, IAAS, TU

2. 7/30/2023 Mr. Sachin Shrestha 2 What is Castration? The surgical process of removal of testis of male animal is castration.

3. 7/30/2023 Mr. Sachin Shrestha 3 Male reproductive system of Pigs Testes is situated in closed association to body below the anus. It is directed cranio-caudally, caudal part being directed dorsally

4. 7/30/2023 Mr. Sachin Shrestha 4 Types of castrations Closed Open Open uncovered : Tunica vaginalis are incised. Open covered : Tunica vaginalis is left intact

5. 7/30/2023 Mr. Sachin Shrestha 5 Some Necessary Equipment

6. 7/30/2023 Mr. Sachin Shrestha 6 Sterile Gauze Cat Gut Silk Thread Sterile surgical gloves Razor Syringe Surgical mask

7. 7/30/2023 Mr. Sachin Shrestha 7 Surgical Intruments

8. 7/30/2023 Mr. Sachin Shrestha 8 Artery Forceps Scissor Scalpel and blade Rat tooth forceps Normal forceps Needle holder

9. 7/30/2023 Mr. Sachin Shrestha 9 Some Necessary Drugs

10. 7/30/2023 Mr. Sachin Shrestha 10

11. 7/30/2023 Mr. Sachin Shrestha 11 Right time for castration Young Pigs within 7 days of birth Can be done up to 1 months before weaning or before the onset of puberty. If to be done lately general anaesthesia need to be given Why castration need to be done To remove ‘boar taint’ and make meat palatable to human taste. Boar Taint is due to accumulation of Testosterone hormone and Skatole on the muscle tissue, which degrades the taste of the boar meat. Similarly, castration decreases aggressiveness of the boar, which helps in easy handling of the pig and decreases injuries to their tissues.

12. 7/30/2023 Mr. Sachin Shrestha 12 Handling and Restraining of Pigs After selecting pig, they need to be grasped on hind leg and kept upside down. This makes pig immobile. Before beginning of the castration, they need to be kept on dorsal recumbency by grasping their both limbs tightly. Their hind limbs need to be directed cranially and fore limbs need to be directed caudally, such that testes protrudes clearly from behind.

13. 7/30/2023 Mr. Sachin Shrestha 13 Site preparation Furs needs to be cleanly shaved leaving no single fur. Any shaving instrument can be used as per feasibility. Scrotum is made aseptic with betadine. Local anaesthesia (Lignocaine 2%) need to be injected directly subcutaneously on scrotum and testes. Dose and rate may vary. 0.5 ml need to be injected s/c on scrotum and 0.5 ml on each testes and spermatic cord.

14. 7/30/2023 Mr. Sachin Shrestha 14 Incision need to de done lateral to the scrotal septum on one of either side. The size of incision may vary according to the size of the testes.

15. 7/30/2023 Mr. Sachin Shrestha 15 Then, testes is pulled out from the incision site along with the spermatic cord. The spermatid cord is stripped in order to remove the inguinal fats. Clamping of the cord is done by the curved artery forceps temporarily. Then, catgut (Absorbable) is used to ligate the cord. Tetes along with certain portion of spermatic cord is cut with the scalpel, and remaining portion of spermatic cord is pushed inside (Both).

16. 7/30/2023 Mr. Sachin Shrestha 16 Antibiotic powder is sprinkled inside the scrotum. Interrupted suture is done on the incised part with the silk thread. Small opening is left for drainage. Skin heal is applied topically to enhance healing process. Meloxicam (Painkiller), Oxytetracyline (Antibiotics), Tetanus, and Iron sorbitol (if not given) are injected. IM injection is done behind the ear.

17. 7/30/2023 Mr. Sachin Shrestha 17 Post operative care: Regular monitoring to see if there is any complications. Suture need to be removed after 1 week of suture or when the wound heals. Removing of suture in done is such manner that it leaves no thread behind.

18. 7/30/2023 Mr. Sachin Shrestha 18 Application of Lignocaine in scrotum and testes Incision of the scrotum Clamping by curved artery forceps Ligation by catgut Detachment of testes Interrupted suture on scrotum

19. 7/30/2023 Mr. Sachin Shrestha 19 Reference: Farm Animal Surgery, 2 nd Edition, Susan L. Fubinin , Norm G. Ducharme, ISBN: 978-0-323-31665-1

20. 7/30/2023 Mr. Sachin Shrestha 20 Thank You Let’s do exercise!!!