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United States Department of Agriculture

Agricultural Research Service


item Fadly, Aly

Submitted to: Meeting Abstract
Publication Type: Proceedings
Publication Acceptance Date: 4/18/2005
Publication Date: 4/18/2005
Citation: Fadly, A.M. 2005. Neoplastic diseases of poultry. 13th International Moscow Veterinary Congress of Poultry, April 18-22, 2005, Moscow, Russia. p. 152-157.

Interpretive Summary:

Technical Abstract: Depending on whether the etiologic agent is known, neoplastic diseases of poultry are divided into two main categories: a) virus-induced neoplastic diseases, and b) neoplastic diseases of unknown etiology. Neoplastic diseases cause economic losses from tumor mortality as well as poor performance. Virus-induced neoplastic diseases of poultry are caused by either a herpesvirus (Marek’s disease) or by a retrovirus (leukosis/sarcoma, reticuloendotheliosis and lymphoproliferative disease of turkeys). Neoplastic diseases of unknown etiology include a wide variety of benign and malignant neoplasms derived from muscle, epithelial, and nerve tissues; serous membranes; and pigmented cells. The most common neoplasm of unknown etiology encountered in commercial chickens is dermal squamous cell carcinoma (avian keratoacanthoma), a skin condition most commonly found in broiler chickens. This review is primarily focused on virus-induced neoplastic diseases of poultry, namely Marek’s disease, avian leukosis and reticuloendotheliosis

Last Modified: 10/17/2017
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