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Illustration of venereal granulomata on a dog's penis. A canine transmissible venereal tumor (CTVT), also known as a transmissible venereal tumor (TVT), canine transmissible venereal sarcoma (CTVS), sticker tumor and infectious sarcoma, is a histiocytic tumor of the external genitalia of the dog and other canines, and is transmitted from animal to animal during mating.
During copulation, and only after the male's penis is fully inside the female's vagina, the bulbus glandis becomes engorged with blood. [1] When the female's vagina subsequently contracts, the penis becomes locked inside the female. [12] This is known as "tying" or "knotting".
Ehrlichiosis is a disease caused by Ehrlichia canis and spread by the brown dog tick, Rhipicephalus sanguineus. Signs include fever, vasculitis, and low blood counts. [6] Rocky Mountain spotted fever* is a rickettsial disease that occurs in dogs and humans. It is caused by Rickettsia rickettsii and spread by ticks of the genus Dermacentor.
The circular muscles also contract intermittently, which has the effect of stimulating ejaculation of sperm, followed by prostatic fluid, as well as maintaining the swelling of the penis and therefore the tie, for some time. For domestic dogs the tie may last up to half an hour or more, though usually less. [7]
Penile discharge is liquid from the urethra at the end of the penis that is not urine or semen. [2] The dripping of clear fluid (pre-ejaculate) when sexually excited is normal. [2] There may be pain or burning when passing urine, soreness inside the penis or feeling of wanting to pass urine frequently. [6]
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The dog’s owner scared the mountain lion off and took their dog to a veterinarian to treat its injuries. While investigating the incidents, wildlife officers followed a set of tracks but didn ...