Hydranencephaly, Schizencephaly. Print. Print. Hydranencephaly. Hydranencephaly is a rare and extreme form of porencephaly. The hemispheres of the cerebrum are absent and replaced by sacs filled with cerebrospinal fluid (CSF). In most cases, the cerebellum and brainstem are formed normally.
Strangles (also equine distemper) is a contagious upper respiratory tract infection of horses and other equines caused by a bacterium, Streptococcus equi var.equi. Strangles is enzootic in domesticated horses worldwide. The contagious nature of the infection has at times led to limitations on sporting events.trangles (also equine distemper) is a contagious upper respiratory tract infection of horses and other equines caused by a bacterium, Streptococcus equi var.
tail carriage. the way in which the tail is carried relative to the body. A high carriage of the butt of the tail with the hair streaming in the wind is the objective in show horses. See also nicking (2).ail biting. a vice in pigs which bite each other's tail because of boredom initially and then as a habit, causing blood loss and frequently local abscess formation or spinal cord abscess. In dogs, seen as a vice in association with tail chasing (see below).