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A healthy chicken. Lymphoid leucosis is a disease that affects chickens, caused by the retrovirus Avian leukosis virus.. It is a neoplastic disease caused by a virus, which may take the form of a tumor of the bursa of Fabricius and may metastasize to other tissues of the chicken and cause enlargement and swelling of the abdomen.
Histomoniasis is a commercially significant disease of poultry, particularly of chickens and turkeys, due to parasitic infection of a protozoan, Histomonas meleagridis.The protozoan is transmitted to the bird by the nematode parasite Heterakis gallinarum.
Splanchnic is usually used to describe organs in the abdominal cavity. [1]It is used when describing: Splanchnic tissue; Splanchnic organs - including the stomach, small intestine, large intestine, pancreas, spleen, liver, [2] and may also include the kidney.
The pancreas is a major organ functioning as an accessory digestive gland in the digestive system. It is both an endocrine gland and an exocrine gland . [ 28 ] The endocrine part secretes insulin when the blood sugar becomes high; insulin moves glucose from the blood into the muscles and other tissues for use as energy.
Argas persicus, also known as fowl tick or poultry tick, is a small soft-bodied tick that is found primarily on domestic fowl such as chickens, ducks, and geese. It was first recorded by Lorenz Oken in 1818 in Mianeh, Persia, [1] [2] and named Rhynochoprion persicum.
The integumentary system is the set of organs forming the outermost layer of an animal's body. It comprises the skin and its appendages, which act as a physical barrier between the external environment and the internal environment that it serves to protect and maintain the body of the animal.
The spermalege (also known as the organ of Berlese [1]) is a special-purpose organ found in female bed bugs that appears to have evolved to mitigate the effects of traumatic insemination. [2] The spermalege has two embryologically distinct parts, known as the ectospermalege and mesospermalege . [ 3 ]