PENGARUH SUHU YANG BERBEDA TERHADAP DAYA TETAS TELUR DAN KELANGSUNGAN HIDUP LARVA  IKAN LELE SANGKURIANG (Clarias gariepinus)

ABSTRACT The aim of this research is to determine the best temperature for egg hatching and survival of sangkuriang catfish (Clarias gariepinus) larvae. This research was carried out for 30 days, 29 May – 29 June 2024, located at the Laboratory of the Faculty of Agriculture, Prof. University. Dr. Hazairin SH. Bengkulu Jl. A. Yani Bengkulu City District. Segara Bay. The containers used are plastic boxes with a length of 24 cm, width 15 cm and height 15 cm. The materials used in this research were: male and female parents, Ovaprim and sangkuriang catfish eggs used in 100 eggs/container totaling 2400 eggs. The design used in this research was a Completely Randomized Design (CRD) which consisted of four treatments and six replications, so that 24 experimental units were obtained, each treatment as follows: P1 (temperature 29ºC), P2 (temperature 30ºC), P3 (temperature 31ºC) and P4 (temperature 32ºC). Variables observed included fecundity, hatching time, hatchability, and survival of sangkuriang catfish larvae. The fecundity of Sangkuriang catfish obtained was 90,000 eggs. Water temperature has a very significant effect on hatching time, egg hatchability and survival of sangkuriang catfish (Clarias gariepinus) larvae. Hatching time The best temperature is 31ºC - 32ºC, while the best hatchability and survival of sangkuriang catfish larvae is at 30ºC where hatchability is 84.33% and survival is 82%. Keywords: Sangkuriang catfish, hatching time, hatchability, survival. ABSTRAK Tujuan dari penelitian ini adalah untuk mengetahui suhu yang terbaik dalam proses penetasan telur dan kelangsungan hidup larva ikan lele sangkuriang (Clarias gariepinus). Penelitian ini dilaksanakan selama 30 hari pada 29 Mei – 29 Juni 2024 yang berlokasi di Laboratorium Fakultas Pertanian Universitas Prof. Dr. Hazairin SH. Bengkulu Jl. A. Yani Kota Bengkulu Kec. Teluk Segara. Wadah yang diggunakan adalah boxs plastik dengan ukuran panjang 24 cm, Lebar 15 cm dan tinggi 15 cm. Bahan yang digunakan dalam penelitian ini adalah : Induk jantan dan betina, Ovaprim dan telur ikan lele sangkuriang yang digunakan 100 butir/wadah sebanyak 2400 butir telur. Rancangan yang digunakan dalam penelitian ini adalah Rancangan Acak Lengkap (RAL) yang terdiri dari empat perlakuan dan enam ulangan, sehigga didapat 24 satuan percobaan, masing-masing perlakuan sebagai berikut : P1 (suhu 29ºC), P2 ( suhu 30ºC), P3 (suhu