| Título: | Effects of some formulated diets on growth, feed utilization and essential amino acid deposition in Clarias batrachus fry |
| Autores: |
Mishra, S; Central Institute of Freshwater Aquaculture, Kausalyaganga,
Bhubaneswar-751 002, India Mukhopadhyay, P K; Central Institute of Freshwater Aquaculture, Kausalyaganga, Bhubaneswar-751 002, India |
| Fecha: | 2011-09-12 |
| Publicador: | Central Marine Fisheries Research Institute (on behalf of Indian Council of Agricultural |
| Fuente: |
Ver documento |
| Tipo: | Peer-reviewed Article |
| Tema: | No aplica |
| Descripción: | Fry of the air-breathing freshwater catfish Clarias batrachus (mean weight 7.0 mg) were reared on four isonitrogenous diets (crude protein level on dry basis 48%) for 8 weeks. Growth and feed utilization of fish fed with the formulated diets were compared with those of control groups fed on a natural food of Tubifex worms in freeze dried form (42% crude protein level). A formulated diet containing fish meal as the major protein source was found to be the best of those tested; eg., net weight gain was found to be the highest (405 mg) accompanied by least conversion ratio (1.73) and best protein efficiency ratio (1.20). The whole body tissue protein (N x 6.25) content registered an increase from an initial of 65.5 to 71.35% at the termination of experiment. Feed consumption (mg dry matter intake per day) was also maximum in this treatment group. |
| Idioma: | Inglés |
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