2013
DOI: 10.15578/jra.8.1.2013.121-129
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SELEKSI KARAKTER PERTUMBUHAN POPULASI IKAN MAS (Cyprinus carpio) RELATIF TAHAN KOI HERPES VIRUS

Abstract: ABSTRAKStrain Rajadanu merupakan populasi ikan mas yang mempunyai daya tahan terhadap serangan koi herpes virus (KHV) relatif lebih baik dibandingkan strain lainnya. Namun demikian, populasi ikan dengan daya tahan yang tinggi diduga mempunyai laju pertumbuhan yang lebih lambat. Hal ini karena adanya fenomena sharing energy untuk berbagai karakter yang berbeda. Dalam kegiatan seleksi, salah satu strategi yang dapat ditempuh untuk mengantisipasi fenomena tersebut adalah dengan melakukan seleksi secara bersamaan … Show more

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Cited by 2 publications
(3 citation statements)
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“…The high and low heritability values are influenced by the type, age of fish, research methods and environmental conditions in which the research is carried out. This value is also very specific to the fish population and applies at certain times, locations, and environmental conditions [36]. Likewise, the estimated heritability values for weight and body height of tilapia reared in ponds with aeration were (0.23 and 0.18) and in ponds without aeration (0.21 and 0.20) [41].…”
Section: Resultsmentioning
confidence: 83%
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“…The high and low heritability values are influenced by the type, age of fish, research methods and environmental conditions in which the research is carried out. This value is also very specific to the fish population and applies at certain times, locations, and environmental conditions [36]. Likewise, the estimated heritability values for weight and body height of tilapia reared in ponds with aeration were (0.23 and 0.18) and in ponds without aeration (0.21 and 0.20) [41].…”
Section: Resultsmentioning
confidence: 83%
“…Although estimation, this value can be used to measure the ability of a genotype consisting of additive and non-additive diversity elements in the population to inherit traits. [36] stated that increasing genetic quality in the next generation can use the results of heritability calculations in a broad sense as the basis for the initial estimation of response to selection calculations. The heritability of a character is an illustration of how high (variance) genotype affects phenotypic diversity [24].…”
Section: Resultsmentioning
confidence: 99%
“…Menurut Tave (1986) dan Falconer (1981), terdapat tiga kategori nilai h 2 karakter kuantitatif pada ikan yaitu rendah (0-0,1), sedang (0,1-0,3) dan tinggi (0,3 -1,0). Nilai heritabilitas ini lebih rendah dibandingkan dengan nilai yang dihasilkan pada ikan nila merah untuk tambak (Robisalmi dan Dewi, 2014), namun lebih tinggi dibandingkan dengan nila yang dipelihara di perairan payau lainnya (Luan et al, 2008) ataupun ikan mas (Ariyanto et al, 2013) serta setara dengan ikan nila Selfam/SULTANA (Yuniarti et al, 2009), Nila BEST (Gustiano dan Arifin, 2008) dan nila GIFT (Neto et al, 2014).…”
Section: Pembahasanunclassified