SEASONAL VARIATION IN SECONDARY VIBRIOSIS OF WILD P.MONODON ALONG THE SOUTH EAST COAST OF TAMIL NADU

Author: 
Chandrakala. N. Mekala.R
Country: 
India
Abstract: 

The present study investigates the protection of shrimp  Penaeus monodon against  Vibriosis (bacterial infection)  most serious pathogens affecting shrimp industry world- wide. Diseased Penaeus monodon collected from South East Coast of Tamil Nadu Ramesh waram to Chennai (9.17 N 0   79.22 0  E, 28 13.04 N0 80.17E) to study the seasonal variation in Vibriosis infection. The study revealed that during summer season vibriosis infection were recorded. The highest Percentage of infection were recorded in Nagapattinam (7.65%) followed by the least percentage at Karaikal have been recorded (1.62%). The autumn season study revealed no Vibriosis infection highest Percentage of infection were recorded in Portnova 4.95%. The least was observed Velankanni at 2.15% The Rainy season Vibriosis infection was recorded the highest rate of infection at Mallipattinam (98.54%) least was observed at Adirampattinam (55.30%). During winter season Vibriosis infection was recorded the highest rate of infection at Nagore (49.58%) followed by least was observed at Mallipattinam (12.00%). Analysis of presumptive Vibrio count (PVC) on TCBS in infected shrimps was estimated comparatively higher than 5×10 0 CFUg-1) observed in uninfected shrimp samples.

KeyWords: 

P.monodon, Vibriosis , TCBS, Bacterial infection, seasonal variation.

Volume & Issue: 
Vol. 3, Issue 02
Pages: 
587-589
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