vent (vent) an opening or outlet, such as an opening that discharges pus, or the anus.
vent
vent (v nt)n. An opening into a cavity or canal, especially one through which contents are discharged. |
vent
an opening or outlet, such as an opening that discharges pus, or the anus. In dogs, used to describe the area around the anus and in bitches also the vulva. Most appropriate use is the cloaca of birds.
cloacal vent
the external opening to the cloaca. Comparable to the anus in mammals.
vent disease
see spirochetosis (2).
vent gleet
a chronic disease of the cloaca of domestic birds. Characterized by fouling of the feathers around the vent with exudate, and the presence of a diphtheritic membrane on the cloacal mucosa at the external orifice and a copious evil-smelling discharge.
vent picking
the commonest and most severe of the cannibalistic vices of housed birds; most common in high producing pullet flocks probably related to the passage of large eggs causing some tearing of tissues at the vent. Other birds may cause fatal injury by picking at the part.
vent
Ventilation, ventilator
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