QUARTERLY AQUATIC ANIMAL DISEASE REPORT - Library ...

Quarterly Aquatic Animal Disease Report (Asia-Pacific Region) – 2011/34A total of 277 shrimp samples from shrimp farms had been tested at PCR Laboratories of the DOF under activesurveillance. 3 specimens or 1.1% recorded as RT-PCR positive or carrying YHV genes. Shrimp farms withpositive testing results will subject to health improvement, movement control, eradication and/or farm disinfection.5A total of 275 shrimp samples from shrimp farms had been tested at PCR Laboratories of the DOF under activesurveillance. 15 specimens or 5.5 % recorded as PCR positive or carrying IHHNV genes. Shrimp farms withpositive testing results will subject to health improvement, movement control, eradication and/or farm disinfection.6A passive surveillance found the diseased culture frogs, Rana tigrina, sent from Patthalung Province, SouthThailand. The diseased frogs gave positive virus isolation in EPC cell line. The ranavirus was confirmedusing PCR technique. All tests were performed at the Inland Aquatic Animal Health Research institute,Department of Fisheries. The frogs had over 60% mortality. All death frogs and the remaining frogs in thefarm were destroyed. Ponds and water were dis-infection and were cleaned. The outbreak was limited only inone frog farm. A target surveillance for diseased frog and ranavirus has been implemented for the frog farmsin Patthalung Province.2. New aquatic animal health regulations introduced within past six months (with effective date):33