ALOPECIA is the partial or complete lack of hairs in areas where they are normally present. It can be CONGENITAL or ACQUIRED.
🔸CONGENITAL ALOPECIAS are non-inflammatory and are the result of hair follicle damage or genetic diseases.
🔸ACQUIRED ALOPECIAS are most common. If an animal is presented with the problem of hair loss and pruritis is present, the problem of pruritus should be investigated first.
𝗘𝗧𝗜𝗢𝗟𝗢𝗚𝗬
There are many causes of alopecia; any disease that can affect hair follicles can cause hair loss. There are two broad etiologic categories of alopecia:
🔹1) congenital or hereditary and
🔹 2) Acquired alopecia
ACQUIRED ALOPECIA destroys the hair follicle or shaft, interferes with the growth of hair or wool, or causes animal discomfort (e.g, pain, pruritus), leading to self-trauma and loss of hair.
Diseases that can directly cause destruction or damage to the hair shaft or follicle include bacterial skin diseases, dermatophytosis, demodicosis, and severe inflammatory diseases of the dermis.
𝗖𝗟𝗜𝗡𝗜𝗖𝗔𝗟 𝗦𝗜𝗚𝗡𝗦
Differentiating alopecic lesions as to whether they are discrete or diffuse, limited or extensive, and whether they are accompanied by changes in colour and conformation of the underlying skin will give clues as to the cause.
▪️The main causes of alopecia in the export process include:
🔸ringworm
🔸urine and faecal scalding
🔸dermatophilosis
🔸stephanofilariasis
🔸pseudolumpy skin disease
💉𝗧𝗥𝗘𝗔𝗧𝗠𝗘𝗡𝗧
Choice of treatment will be determined by the diagnosis.
With many skin diseases, letting them run their course is often the most practical and cost-effective treatment option.
The use of injectable antibiotics And Antifungal , topical sprays or ointments is reserved for special circumstances.
⚠️𝗣𝗥𝗘𝗩𝗘𝗡𝗧𝗜𝗢𝗡
As with many diseases, providing a stress-free, uncrowded, dry, sunlit environment may reduce spread and expression of some skin diseases. A good inspection system applied at selection may prevent contagious animals from entering the export process.
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