ANALISIS KARAKTER REPRODUKSI DAN PERFORMA BENIH PENDEDERAN I IKAN NILA PANDU F6 DENGAN IKAN NILA NILASA (Oreochromis niloticus) SECARA RESIPROKAL
Yustysi, Dio Patria;
Basuki, Fajar;
Susilowati, Titik
Journal of Aquaculture Management and Technology Volume 5, Nomor 1, Tahun 2016
Publisher : Journal of Aquaculture Management and Technology
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Penelitian ini bertujuan untuk mengetahui pengaruh dari hibridisasi ikan nila Pandu F6 dengan nila Nilasa terhadap karakter reproduksinya dan performa benih yang dihasilkan.Penelitian ini dilaksanakan dari Maret - Juni 2015 di Satker Balai Benih Ikan Janti, Klaten. Ikan uji yang digunakan dalam penelitian ini adalah ikan nila Pandu F6 dan ikan nila nilasa dengan bobot induk jantan 200 - 400 g dan induk betina dengan bobot 150 - 250 g dengan rasio pemijahan 1:1 secara resiprokal..Penelitian ini dilakukan dengan metode eksperimental menggunakan Rancangan Acak Lengkap (RAL) dengan 4 perlakuan dan 3 kali ulangan. Perlakuan dalam penelitian ini: perlakuan A (Pandu F6 ♀>< Nilasa ♂), dan D (Nilasa ♀>< Pandu ♂), B (Nilasa ♀>< Nilasa ♂), C (Pandu F6 ♀>< Nilasa ♂), and D (Nilasa ♀ >< Pandu F6 ♂). The observed data covering fecundity, hatching rate, egg size, yolk sack larva length and weight, length and weight of the egg yolk off larvae, survival rate, specific growth rate, feed conversion rate, and water quality. The data were analyzed using ANOVA to see the difference, then if there is a difference then do a test area of Duncan to see the best treatment The results showed the best value on the fecundity of 1191.67±239.45 eggs/200 g, Hatching rate 80.93 ± 3.90%, Survival rate of 81.55 ± 7.54%, specific growth rate of 7.26 ± 0.25, conversion fodder 0.54 ± 0.02 obtained at the treatment C, but for the diameter and weight of egg, larval length and weight TL, and the length and weight of the yolk egg off larvae have almost the same value for each treatment and do not differ markedly. The results showed that hybridization (treatment C) gives a real influence (P < 0.05) of fecundity,hatching rate, survival rate but not with the egg size, larva TL weight and length, and the length and weight of larvae off yolk. Water quality on the spawning, hatching eggs and larvae found on the maintenance of a decent range for tilapia fish farming.