 หัวเรื่อง:พยาธิวิทยาของปลาดุกด้านที่ขาดกรดแพนโทเธนิค ผู้เขียน: ดร.ชลอ ลิ้มสุวรรณ, รองศาสตราจารย์ ,  Nanthawat Kirdchuen, สุปราณี ชินบุตร สื่อสิ่งพิมพ์:pdf AbstractWalking catfish (Clarias batrachus) fingerlings fed purified diet devoid of pantothenic acid showed reduced appetite at the end of the 4th week and reduced growth at the end of the 9-week feeding. Average mortality rate for the fish fed pantothenic acid – deficient diet was 80%. Mortalities first occurred during the 5th week. At the beginning of 5th week the fish fed the pantothenic acid-free diet showed eroded barbells and fins. Moribund fish fed vitamin-free diet at the 12th week showed hemorrhagic areas on the skin and Aeromonas hydrophila was isolated from liver and kidney. Histopathologically, epidermal necrosis of the barbells was observed on fish fed pantothenic acid-free diet at 5th week. However, clubbed gills was found at the 12th week. Lesions were also observed in skin, liver and spleen of moribund fish fed vitamin – free diet accompanied by A. hydrophila infection at 12 weeks. |