<span style="font-size:11.0pt;font-family: "Times New Roman","serif";mso-fareast-font-family:"Times New Roman";mso-bidi-font-family: Mangal;mso-ansi-language:EN-GB;mso-fareast-language:EN-US;mso-bidi-language: HI" lang="EN-GB">Incidence of Brown-gill (fungal) disease in three <i style="mso-bidi-font-style: normal">Penaeus </i>species grow out ponds of Vellapallam, Nagapattinam district of Tamil Nadu, India</span>

Abstract

<span style="mso-bidi-font-style:italic" lang="EN-GB">Genus<i> Penaeus </i>are the most common shrimp species cultured in India with very susceptible to microbial diseases. Mycofloral brown-gill disease was identified from <i style="mso-bidi-font-style:normal">P. monodon,</i> <i style="mso-bidi-font-style:normal">P. indicus </i>and<i style="mso-bidi-font-style: normal"> P. vannamei</i> in shrimp pond. A totally 6 genera of 20 species from 427 colonies were isolated from the samples. Maximum growth of colonies was occurred at 80^th day of sampling. Microscopical and pathological studies revealed that the fungal infection on gill. Present investigation revealed the poor water quality conditions are a budding problem and due to this factor diseased shrimps are to be frail for consumption.

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