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The skin is removed from the animal's carcass, treated with absorbents, and filled with cotton or polyester batting (In the past plant fibres or sawdust were used). Bird specimens have a long, thin, wooden dowel wrapped in batting at their center. The dowel is often intentionally longer than the bird's body and exits at the animal's vent.
Unlike other birds infected with T. gallinae, pigeons are susceptible to secondary organ invasion by virulent strains of the parasite. The visceral form of the disease involves the liver and gastrointestinal tract, causing organ dysfunction. When observed under a light microscope, samples can be seen rapidly moving in a circular jerky motion.
The bird on the left is pushing its head towards its uropygial gland. White-winged crossbill (Loxia leucoptera) extracting preen oil from its uropygial gland. The uropygial gland secretes an oil (preen oil) through the dorsal surface of the skin via a grease nipple-like nub or papilla. [6]
Tardigrades are prevalent in mosses and lichens and can readily be collected and viewed under a low-power microscope, making them accessible to students and amateur scientists. Their clumsy crawling and their well-known ability to survive life-stopping events have brought them into science fiction and popular culture including items of clothing ...
Anatomical structures on the head and throat of a domestic turkey. 1. Caruncles, 2. Snood, 3. Wattle (dewlap), 4. Major caruncle, 5. Beard. A caruncle is defined as 'a small, fleshy excrescence that is a normal part of an animal's anatomy'. [1]
Bird fancier's lung (BFL), also known as bird breeder's lung, is a type of hypersensitivity pneumonitis. It can cause shortness of breath , fever , dry cough , chest pain , anorexia and weight loss , fatigue , and progressive pulmonary fibrosis (the most serious complication).
Dermanyssus gallinae (also known as the red mite) is a haematophagous ectoparasite of poultry.It has been implicated as a vector of several major pathogenic diseases. [1] [2] Despite its common names, it has a wide range of hosts including several species of wild birds and mammals, including humans, where the condition it causes is called gamasoidosis.
Knemidokoptes is a genus of parasitic mites in the family Epidermoptidae that infect the skin or feather follicles of birds, especially gallinaceous birds (chickens, pheasants, and relatives) as well as parakeets and canaries. [1] [2] Infection commonly causes scaly lesions to form at the face or feet, which is known as knemidocoptiasis.