Sahul Hameed, A S (1993) A study of the aerobic heterotrophic bacterial flora of hatchery-reared eggs, larvae and post-larvae of Penaeus indicus. Aquaculture, 117 (3-4). pp. 195-204.
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A study was carried out to investigate the aerobic heterotrophic bacterial flora of eggs, larvae and post-larvae of Penaeus indicus and larval rearing tank water in a hatchery using a modified Galveston rearing system. Physicochemical characteristics of larval rearing tank water, production history, and bacterial counts of eggs, nauplii, protozoeae, mysis and post-larvae were determined for three tanks in December 1986, January 1987 and February 1987. Temperature, pH, salinity and dissolved oxygen ranged from 27.4 to 31.3°C, 7.9 to 8.3, 30 to 32 ppt and 7.3 to 9.0 mg/l, respectively, during the period of investigation. Total viable bacterial counts ranged from 4.3×103 to 3.9×105 colony-forming units (cfu) per gram, 8.9×103 to 6.2×105 cfu/g, 8.1×104 to 3.7×106 cfu/g, 2.8×105 to 2.9×107 cfu/g and 9.5×105 to 1.2×108 cfu/g in the eggs, nauplii, protozoeae, mysis and post-larvae respectively and from 9.0×102 to 1.0×105 cfu/ml in the tank water. Vibrio sp. were found to be the dominant taxa in eggs, larvae and post-larvae, followed by Pseudomonas, Alcaligenes, Aeromonas and Flavobacterium, while Alcaligenes predominated in water samples, followed by Vibrio, Pseudomonas, Aeromonas and Flavobacterium
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | aerobic; heterotrophic; bacterial flora; eggs; larvae; post-larvae; Penaeus indicus |
| Subjects: | Eggs and Larvae Crustacean Fisheries > Prawn and Prawn fisheries |
| Divisions: | CMFRI-Kochi > Physiology and Nutrition Pathology Subject Area > CMFRI > CMFRI-Kochi > Physiology and Nutrition Pathology CMFRI-Kochi > Physiology and Nutrition Pathology Subject Area > CMFRI-Kochi > Physiology and Nutrition Pathology |
| Depositing User: | Users 171 not found. |
| Date Deposited: | 10 Nov 2010 05:41 |
| Last Modified: | 10 Nov 2010 05:41 |
| URI: | http://eprints.cmfri.org.in/id/eprint/6138 |
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