Andrology

Preparation of a teaser bull refers to the process of modifying a healthy and fertile bull into an infertile one that can be used to detect estrus (heat).

Semen banks need specialized equipment to ensure the proper collection, evaluation, processing, preservation, and storage of semen samples.

The components and layout of a semen station are crucial for ensuring high-quality semen production, animal welfare, and biosecurity.

The epididymectomy consists of removing the tail of epididymis, and this technique has been described for both bulls and rams.

Reefing (segmental posthetomy) in bulls is a surgical procedure used to remove damaged or diseased sections of the prepuce (the sheath of skin covering the penis).

Penile Fibropapilloma in bulls is common among young bulls housed together and is caused by the bovine papilloma virus.

Persistent frenulum in bulls is a congenital defect in which the frenulum, a band of connective tissue that normally regresses by puberty, abnormally persists between the glans penis and the prepuce (sheath).

Surgical management of penile conditions in bulls refers to the diagnosis, surgical intervention, and post-operative care of anatomical or pathological abnormalities affecting the penis and prepuce of bulls that interfere with normal mating behavior or semen collection.

Castration in cattle is the removal or inactivation of the testicles in male cattle (bulls or calves), typically performed to prevent reproduction and modify aggressive or undesirable behavior.

Vasectomy in bulls is a surgical procedure in which a portion of the vas deferens (the duct that carries sperm from the testicles) is removed or blocked to render the bull sterile.