| ชื่อเรื่อง | : | Tolerance level and histopathological response of milkfish (Chanos chanos) fingerlings to formalin. |
| นักวิจัย | : | Cruz, Erlinda R. , Pitogo, Celia L. |
| คำค้น | : | Chanos chanos , Histopathology , Pollution effects , Bioassays , Fingerlings |
| หน่วยงาน | : | Southeast Asian Fisheries Development Center, Philippines |
| ผู้ร่วมงาน | : | - |
| ปีพิมพ์ | : | 2532 |
| อ้างอิง | : | Cruz, E. R., & Pitogo, C. L. (1989). Tolerance level and histopathological response of milkfish (Chanos chanos) fingerlings to formalin. Aquaculture, 78(2), 135–145. , 0044-8486 , http://hdl.handle.net/10862/1237 , 10.1016/0044-8486(89)90027-6 |
| ที่มา | : | - |
| ความเชี่ยวชาญ | : | - |
| ความสัมพันธ์ | : | Aquaculture |
| ขอบเขตของเนื้อหา | : | - |
| บทคัดย่อ/คำอธิบาย | : | Static 96-h bioassays were conducted on milkfish (Chanos chanos ) fingerlings with formalin at concentrations ranging from 50 to 500 ppm. The 24-, 48-, 72-, and 96-h median lethal concentration values (LC50) were 322, 260, 241, and 232 ppm formalin, respectively. Histological analyses of gills, liver, and kidney tissues revealed significant pathological changes even with the sublethal concentrations. The intensity of cell damage increased with increasing concentration and exposure to the chemical. Formalin treatments caused hyperplasia, epithelial separation, and necrosis in the gills; cloudy swelling, hemorrhage, deposition of pigments, and necrosis in liver parenchyma; and degeneration of renal tubules. Partial recovery of tissue was observed in fish after 10 days in formalin-free seawater. |
| บรรณานุกรม | : |
Cruz, Erlinda R. , Pitogo, Celia L. . (2532). Tolerance level and histopathological response of milkfish (Chanos chanos) fingerlings to formalin..
: Southeast Asian Fisheries Development Center, Philippines. Cruz, Erlinda R. , Pitogo, Celia L. . 2532. "Tolerance level and histopathological response of milkfish (Chanos chanos) fingerlings to formalin.".
: Southeast Asian Fisheries Development Center, Philippines. Cruz, Erlinda R. , Pitogo, Celia L. . "Tolerance level and histopathological response of milkfish (Chanos chanos) fingerlings to formalin.."
: Southeast Asian Fisheries Development Center, Philippines, 2532. Print. Cruz, Erlinda R. , Pitogo, Celia L. . Tolerance level and histopathological response of milkfish (Chanos chanos) fingerlings to formalin.. : Southeast Asian Fisheries Development Center, Philippines; 2532.
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