Estimation of Cumulative Inbreeding Rate in Indian Major Carps of Maharashtra State Hatcheries

Author:

Jahageerdar Shrinivas,Deepak, P. K.,Biradar R. S.,Lakra W. S.

Abstract

The hatcheries of Maharashtra state, India breed mainly the species of catla, rohu and mrigal, and are the main suppliers of fish seed in the region. These hatcheries function as isolated and genetically closed units raising their own broodstock within the hatcheries, which leads to the accumulation of inbreeding at a faster rate. In the present study effective population size and cumulative inbreeding rates were estimated. The cumulative inbreeding rates ranged from 0.71-19.09%, 0.05-5.23% and 0.11- 4.24% for catla, mrigal and rohu, respectively.

Publisher

Association of Aquaculturists

Reference13 articles.

1. Alikunhi, K. H., 1957. Fish Culture in India. Fm. Bull. Indian Council of Agricultural Research, 20-144 pp.

2. Badiger, P. G., 1994. The effective population size and rate of inbreeding in Indian major carps in Gujarat hatcheries. M.Sc. Thesis, Central Institute of Fisheries Education, Mumbai, India, 34 PP.

3. Basavaraju, Y., G. C. Mair, D. J. Penman, G. Mukthayakka, D. B. S. Renuka and N. R. Ramakrishna, 1998. Objectives and genetic status of domesticated catla stocks in Karnataka. Inc. Proceedings of the Workshop on Genetic Improvement of Carps (Eds. Y. Basavaraju, G. C. Mair and D. J. Penman). UAS, Bangalore, India, pp. 26-27.

4. Chako and S. V. Ganapati, 1951. Bionomics of the mrigal, Cirrhina mrigala (Hamilton) in south Indian waters. J. Bombay Nat. Hist. Soc., 50(1): 13-19.

5. Chondar, S. L., 1999. Biology of Fish and Shellfish. SCSC Publishers, Delhi, pp. 42-207.

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