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Evaluation of production performance among three small indigenous fish species (SIS) A.mola, E.dendricus and P.ticto under different management systems for sustainable rural livelihood in Nepal

Basant kumar karn a* Ranjana Guptab& Sunila Raic
a*Department of Zoology, R R Multiple Campus, Tribhuvan University, Janakpur, Nepal
bCentral Department of Zoology, Tribhuvan University, Kirtipur, Nepal
cDepartment of Aquaculture, I A A S, Tribhuvan University, Rampur, Nepal
Received 16th June.,2014; Revised 25th July, 2014

Abstract : Fishes are important for the livelihoods, food and income source to the rural people in terai Nepal. To increase the carp fish production the common use of piscides and change in agricultural patterns in Nepal, there is the rapid decline in the population of small indigenous fish species (sis). The small indigenous fishes still plays an important role in the fulfillment of protein, vitamins and minerals to the rural poor in Nepal. Three small indigenous fish speciesP ticto, A. mola and E. dendricus which are largely found in warm water bodies of Nepal were examined for the production performance under monoculture and mixed culture system of the farm ponds of Janakpur Nepal for 127 days. The
experiment was carried out for the finding of the best species of small indigenous fish species which can be reared with carp species in future.Three different treatments were undertaken, viz, treatment 1 was stocked with monoculture of
A. mola, treatment 2 was stocked with monoculture of P. ticto and treatment 3 was stocked with E. dendricus and ctrl (treatment 4) was stocked with mixed culture of P ticto, A mola, and E dendricus. The fish species were stocked @ 2000 ha-1 in treatments; T1, T2, T3 and all three sis species in mixed culture at the same proportion of 2000 ha-1 in the control ponds.The experiment was carried in CRBD design. Supplemental feed comprising of rice bran and mustard oil cake in the ratio of 2:1were supplied to three treatments and control ponds everyday throughout the study period. Ponds were fertilized with both organic and inorganic fertilizers. The results indicated that mixed culture of only sis gave a relatively high production of 1.335 kg/ha/yr,monoculture of A. mola gave a production of 2.43 tons/ha and offers a better financial return.

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