Vasectomy
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Vasectomy - A surgical procedure in which the vas deferens is severed and then tied which prevents the sperm from entering into ejaculate.
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Indications
- Used to identify cows in heat
- Can be used as teaser bull
Site
- On the posterior aspect of the neck of the scrotum, a little lateral to the median line or
- On the anterior aspect of the neck of the scrotum, a little lateral to the median line or
- On the lateral aspects of the neck of the scrotum.
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Procedure
- Sedate the bull.
- Place the animal in lateral recumbency.
- Prepare the scrotum aseptically.
- Infiltrate local anaesthetic solution locally into the skin and caudal aspect of the scrotum, dorsal to each testicle and into the spermatic cord.
- Make a 2-3 cm incision on the skin and tunica dartos. Expose the spermatic cord along with tunica vaginalis.
- Exteriorize the cord by incising the tunica vaginalis avoiding cremaster muscle.
- Now the contents of spermatic cord will come out. Locate the hard cord like vas deferens in the spermatic cord.
- Exteriorize it outside by pulling it with a forceps. Apply artery forceps over the vas deferens at 3-4 cms interval.
- Ligate the vas deferens on either side of the artery forceps. Cut and remove the piece in between the ligated ends.
- The scrotal skin is sutured.
- Repeat the procedure on the other side.
- Semen is collected and examined for spermatozoa once a week. By the end of third week it is completely free of sperms.
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Last modified: Thursday, 7 June 2012, 4:04 AM