Introduction to Viral Diseases of Fish
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there are only a few viral diseases of fish which have. sufficient economic impact to warrant ... viral diseases of fish and if fish are reared under ...
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Introduction to Viral Diseases of Fish Page 1FA29Introduction to Viral Diseases of Fish 1RuthEllen Klinger and Ruth FrancisFloyd21. This document is FA29 one of a series of the Fisheries and Aquatic Sciences Department Florida Cooperative Extension Service Institute of Food and Agricultural Sciences University of Florida. Original publication date June 1996. Reviewed July 2002. Visit the EDIS Web Site at http://edis.ifas.ufl.edu.2. RuthEllen Klinger BiologialScientist Fisheries and Aquatic Sciences; Ruth FrancisFloyd Extension Veterinarian Fisheries and Aquatic Sciences; Cooperative Extension Service Institute of Food and Agricultural Sciences University of Florida Gainesville 32611. The Institute of Food and Agricultural Sciences (IFAS) is an Equal Employment Opportunity Affirmative Action Employer authorized to provide research educational information and other services only to individuals and institutions that function without regard to race creed color religion age disability sex sexual orientation marital status national origin political opinions or affiliations. For information on obtaining other extension publications contact your county Cooperative Extension Service office. Florida Cooperative Extension Service / Institute of Food and Agricultural Sciences / University of Florida / Larry R. Arrington Interim DeanWhat Is a Virus? Viruses are very small infectious agents that multiply only within the living cells of an animal or plant host. Other microorganisms such as bacteria or fungi have organelles for their own metabolism but viruses do not. They must utilize the machinery of the infected host cell for growth and reproduction. A virus has two parts. The internal part is the virion or virus particle which is composed of nucleic acid the same material that makes up genes. The virion is enclosed in an external protein coat called a capsid. Viruses are broadly categorized by the type of nucleic acid they contain; the two basic type ...
Source: edis.ifas.ufl.edu
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