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Foal immunodeficiency syndrome (FIS), originally known as Fell pony syndrome, mainly affects two breeds of ponies: the Fell and Dales. FIS is a recessive genetic disease . Affected foals appear normal at birth, but become weak, and either die or must be euthanized by three months of age due to persistent infections caused by immunodeficiency.
A foal at about weaning age. A foal is an equine up to one year old; this term is used mainly for horses, but can be used for donkeys. More specific terms are colt for a male foal and filly for a female foal, and are used until the horse is three or four. When the foal is nursing from its dam (mother), it may also be called a "suckling".
The problem with ramps is that they prevent the horse from freely chewing side-to-side. This causes improper and over wear of the molars. It will also, along with an underbite, cause severe discomfort when a bit is placed in the horses mouth. To solve the problem, the dominant tooth must be reduced to allow the opposing one to recover. [2]
foal A foal 1. A young horse of either sex under the age of one year. [1]: 82 Derives from the Anglo-Saxon word fola. [8]: 193 May be qualified by sex: colt foal, filly foal. 2. Foaling: the act of a mare giving birth. [1]: 82 foaling box (UK), foaling stall (US) A large loose box providing space and privacy for a mare about to foal.
The cause of wry nose in horses is unknown; it may have a genetic cause, or be due to malpositioning in the uterus. [1] A wry nose may cause difficulty during foaling (dystocia). [3] A foal with wry nose may have poor alignment (malocclusion) of the teeth, [2] although foals can usually still nurse and in most cases are bright and active. [4]
Both parents must be carriers of one copy of the LWS allele for an affected foal to be born. Horses that are heterozygous for the gene that causes lethal white syndrome often exhibit a spotted coat color pattern commonly known as "frame" or "frame overo". Coat color alone does not always indicate the presence of LWS or carrier status, however.
Lavender foal syndrome (LFS), also called coat color dilution lethal (CCDL), is an autosomal recessive genetic disease that affects newborn foals of certain Arabian horse bloodlines. Affected LFS foals have severe neurological abnormalities, cannot stand, and require euthanasia shortly after birth.
Neonatal maladjustment syndrome (NMS) is a syndrome where newborn foals exhibit uncommon behaviors, occurring in three to five percent of live births. These behaviors can include aimless wandering, hypersensitivity to loud sounds and brightness, weakness or coordination issues, and the incapability to nurse.