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.
While direct contact between horses is the most common way that strangles is spread, it can also be spread by contaminated equipment. Improperly cleaned and shared buckets, stalls, and tack can spread the disease between horses.Fortunately, the bacteria die fairly quickly in the environment.hile direct contact between horses is the most common way that strangles is spread, it can also be spread by contaminated equipment. Improperly cleaned and shared buckets, stalls, and tack can spread the disease between horses.