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Infectious coryza is a serious bacterial disease of chickens that affects the respiratory system, and it is manifested by inflammation of the area below the eye, nasal discharge, and sneezing. [ 1 ] [ 2 ] The disease is found all over the world, causing high economic losses, which are due to stumping off and reduction of egg production in case ...
It causes chronic respiratory disease (CRD) in chickens and infectious sinusitis in turkeys, chickens, game birds, pigeons, and passerine birds of all ages. [1] [2] Mycoplasma gallisepticum is a significant pathogen in poultry. Mycoplasmosis is the disease caused by infection with mycoplasmas. Mycoplasmas have many defining characteristics.
Poultry diseases occur in poultry, which are domesticated birds kept for their meat, eggs or feathers. [1] Poultry species include the chicken , turkey , duck , goose and ostrich . [ 1 ]
Indocyanine green angiography (ICGA), [10] and OCT angiography (OCTA) [11] [12] [13] studies have provided support for choriocapillaris involvement. However, a novel hypothesis was proposed implicating a direct neurotropic infection as a possible underlying cause given the dynamic changes observed along the neuronal pathway of the retina [ 14 ]
Marek's disease is a highly contagious viral neoplastic disease in chickens. It is named after József Marek , a Hungarian veterinarian who described it in 1907. Marek's disease is caused by an alphaherpesvirus commonly known as "Marek's disease virus" (MDV). [ 2 ]
There are many diseases known to cause ocular or visual changes. Diabetes , for example, is the leading cause of new cases of blindness in those aged 20–74, with ocular manifestations such as diabetic retinopathy and macular edema affecting up to 80% of those who have had the disease for 15 years or more.
MVD, which is frequently fatal and is related to the much better-known Ebola virus, is sometimes known as "bleeding eye disease" because it damages people's blood vessels, causing them to bleed ...
The disease caused by Loa loa is called loiasis and is one of the neglected tropical diseases. [4] L. loa is one of three parasitic filarial nematodes that cause subcutaneous filariasis in humans. The other two are Mansonella streptocerca and Onchocerca volvulus (causes river blindness). [5]: Table 1 Maturing larvae and adults