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Stress/anxiety; behaviours associated with being exposed to a stressor (e.g. loss of appetite, social withdrawal). [35] Stone chewing; chewing stones or rocks without swallowing them. [36] Tail biting; biting or chewing the tail of another animal. [37] Tail chasing; an animal chasing its own tail in circles.
Dermatophagia. Dermatophagia (from Ancient Greek δέρμα — lit. skin and φαγεία lit. eating) or dermatodaxia (from δήξις, lit. biting) [3] is a compulsion disorder of gnawing or biting one's own skin, most commonly at the fingers. This action can either be conscious or unconscious [4] and it is considered to be a type of pica.
Feather and toe pecking. Feather pecking is an abnormal behaviour observed in birds in captivity (primarily in laying hens) [4] whereby one bird repeatedly pecks the feathers of another. Toe pecking is a similar occurrence in commercialized hens which includes repeatedly pecking the toes of another. Each of these behaviours have been tied to ...
Self-harm. Self-harm is intentional conduct that is considered harmful to oneself. This is most commonly regarded as direct injury of one's own skin tissues usually without a suicidal intention. [1] [2] [3] Other terms such as cutting, self-injury, and self-mutilation have been used for any self-harming behavior regardless of suicidal intent.
What they look like: Mosquitoes leave itchy bumps on the skin that may swell and become red. These reactions typically appear within minutes after a bite, the Mayo Clinic says.In some people, the ...
Biting is a last resort and the amount of venom injected varies greatly. Spider venom toxicity can be evaluated in experimental animals, or reported from accidental bites. Different experimental animals have different reactions to the same venom. The dose that is lethal to half of the animals poisoned is the LD50 and those values for mice is below.
Frantic scratching, biting or grooming of tail and lower back; aggression towards other animals, humans and itself; and a rippling or rolling of the dorsal lumbar skin. Usual onset: Around 9–12 months, or when the cat reaches maturity. Duration: The syndrome will remain present for the cat's entire life, but episodes only last for one to two ...
Cutaneous leishmaniasis. Cutaneous leishmaniasis is the most common form of leishmaniasis affecting humans. [4] It is a skin infection caused by a single-celled parasite that is transmitted by the bite of a phlebotomine sand fly. There are about thirty species of Leishmania that may cause cutaneous leishmaniasis.