Koefisien Variabilitas Genetik dan Nilai Duga Heritabilitas Karakter Pertumbuhan Ikan Nila GIFT di Sukamandi

https://doi.org/10.22146/jfs.154

Didik Ariyanto(1*)

(1) Loka Riset Pemuliaan dan Teknologi Budidaya Perikanan Air Tawar
(*) Corresponding Author

Abstract


This study conducted to identify the genetic variability and heritability of nile tilapia strain GIFT (Genetic Improvement of Farmed Tilapia) cultured in Sukamandi, West Java. Analysis of morphology was measured with the conventional morphometric including total length, standard length, head length, maximum body depth, maximum body thickness and maximum body outliner. Genetic variability and broad sense heritability estimated with genotype and phenotype variance. The result showed that coefficient of genetic variability of total length, standard length, head length, maximum body depth, maximum body thickness and maximum body outliner were in low to moderate categories (0.48-3.78) and broad sense heritability estimation for this characters were in high categories (0.70-0.76).

Keywords


Genetic variability coefficient, heritability, nile tilapia

Full Text:

Full Article (PDF)


References

Imron, O.Z. Arifin dan Subagyo. 2000. Keragaman truss morfometrik pada ikan mas (Cyprinus carpio) galur Majalaya, Rajadanu Wildan dan Sutisna. Prosiding Seminar Penelitian Perikanan 1999/2000. Puslitbang Eksplorasi Laut dan Perikanan. Departemen Kelautan dan Perikanan, Jakarta : 188-197.

Noor, R.R. 2000. Genetika ternak. Penebar Swadaya. Jakarta. 200 p.

Pinaria, A., A. Baihaki, R. Setiamihardja, dan A.A. Daradjat. 1995. Variabilitas genetik dan heritabilitas karakter-karakter biokimia 53 genotipe kedelai. Zuriat. 6(2): 88-92.

Stansfield, W. D. 1991. Genetics (Genetika, diterjemahkan oleh M. Apandi dan L.T. Hardi). Edisi kedua. Erlangga. Jakarta.

Steel, R.G.D. dan J.H. Torrie. 1989. Principles and procedures of statistics (Prinsip dan prosedur statistika, diterjemahkan oleh B. Sumantri). Gramedia. Jakarta. 748 p.

Velasco R.R., M.J.R. Pante, J.M. Macaranas, C.C. Janagap, and A.E. Eknath. 1996. Truss morphometric characterization of eight strains of nile tilapia (Oreochromis niloticus). The Third international symposium on tilapia in aquaculture. R.S.V. Pullin, J. Lazard, M. Legendre, J.B.A.

Kothias and D. Pauly. (Eds.). ICLARM Conf. Proc. 4: 415-425.

Zen, S. dan H. Bahar. 2001. Variabilitas genetik, karakter tanaman dan hasil padi sawah dataran tinggi. J. Stigma. IX(1): 25-28.



DOI: https://doi.org/10.22146/jfs.154

Article Metrics

Abstract views : 2179 | views : 5412

Refbacks

  • There are currently no refbacks.


Bookmark and Share


Copyright (c)