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The causes of feline hyperesthesia syndrome are highly disputed, largely due to the unknown pathophysiology of the syndrome and the variation in responses to different treatment methods. [1] [3] [4] [8] There are three main theories on the cause of the syndrome, as outlined below:
Cats spend 5–25% of their waking hours grooming. [3] Grooming becomes excessive when it takes precedence over other activities or no longer seems functional. [ 2 ] [ 3 ] Excessive grooming, which can lead to hair loss, skin wounds, and ulceration, can result from chronic stress or develop in cats who already exhibit nervous temperaments.
The same study had found that Lykoi cats did have an increased average sebaceous gland area per hair follicle group compared to Domestic Shorthair Cats, which were used as a control group. While the Lykoi is a relatively healthy breed, the aforementioned skin condition does cause serious coat and skin issues that breeders need to diligently ...
Dermatophytosis as a cause of alopecia is common in cats, too, and in long-haired varieties, dermatophytic pseudomycetomas may be to blame. [7] Alopecia areata has been studied on mice in laboratories. [8] In horses, human contact with the horse and the rubbing of the saddle across the mane can cause patches of hair loss. [7]
The skin of a cat deficient in zinc would likely have erythema and hair loss. The cat may have crusty, scaly skin on its limbs or tail. [1] The coat of the cat becomes dull. Similarly, copper can affect coat health of cats; deficiencies will cause fading of coat color and weakened skin, leading to lesions. [3] [4]
In a study published in the journal Behavioural Processes last month, two US scientists counted 276 different facial expressions when domesticated cats interacted with one another.
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This colonization of the hair shaft causes it to become unsheathed, resulting in characteristic round or oval non-inflammatory lesions the develop on the scalp. [4] [9] Infection triggers an acute leukocytic reaction in subcutaneous tissues, which gradually becomes highly inflammatory and leads to hair loss, in the case of tinea capitis. [3]