Use of Kaolin For Protection Against Flavobacteriosis In Oreochromis niloticus (b)
Eissa, I., Derwa, H., Ismail, M., El Lamie, M., Elsayed, T. (2015). Use of Kaolin For Protection Against Flavobacteriosis In Oreochromis niloticus (b). EKB Journal Management System, 20(1), 307-314. doi: 10.21608/scvmj.2015.65066
Ismaeil Eissa; Hassan Derwa; Mona Ismail; Maather El Lamie; Tayseer Elsayed. "Use of Kaolin For Protection Against Flavobacteriosis In Oreochromis niloticus (b)". EKB Journal Management System, 20, 1, 2015, 307-314. doi: 10.21608/scvmj.2015.65066
Eissa, I., Derwa, H., Ismail, M., El Lamie, M., Elsayed, T. (2015). 'Use of Kaolin For Protection Against Flavobacteriosis In Oreochromis niloticus (b)', EKB Journal Management System, 20(1), pp. 307-314. doi: 10.21608/scvmj.2015.65066
Eissa, I., Derwa, H., Ismail, M., El Lamie, M., Elsayed, T. Use of Kaolin For Protection Against Flavobacteriosis In Oreochromis niloticus (b). EKB Journal Management System, 2015; 20(1): 307-314. doi: 10.21608/scvmj.2015.65066

Use of Kaolin For Protection Against Flavobacteriosis In Oreochromis niloticus (b)

Suez Canal Veterinary Medical Journal. SCVMJ
Article 23, Volume 20, Issue 1, June 2015, Page 307-314  XML PDF (1.11 MB)
Document Type: Original Article
DOI: 10.21608/scvmj.2015.65066
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Authors
Ismaeil Eissa1; Hassan Derwa1; Mona Ismail1; Maather El Lamie1; Tayseer Elsayed* 2
1Dept. of Fish Diseases and Management, Faculty of Vet. Medicine, Suez Canal University.
2Fish Farming unit, Faculty of Vet. Medicine, Suez Canal University
Abstract
Because of the difficulties facing the treatment of flavobacteriosis, this study aimed to evaluate kaolin (a type of clay) for the prevention of such disease in Oreochromis niloticus.  Addition of kaolin at rate of 1 g/L, to the water aquaria, 5 min prior the challenge of O. niloticus,  protected the fish against columnaris disease (100%) and improved survival (93.7%) as compared to untreated fish (50 and 66.7%, respectively). The re-isolated strain from untreated challenged fish confirmed through a pair of 16S RNA gene-based PCR primers specific for F.columnare and produced unique and clear PCR bands of the expected size (675 base pair).
Keywords
kaolin; protection; F. columnare; flavobacteriois; O. niloticus
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