Pengaruh Debit Aerasi Terhadap Daya Tetas Telur dan Sintasan Larva Ikan Gabus (Channa striata Bloch, 1793)

Ilham Muhammad, Dr. Ir. Bambang Triyatmo, M.P.

2019 | Skripsi | S1 AKUAKULTUR

Penelitian ini bertujuan untuk mengetahui pengaruh debit aerasi terhadap daya tetas telur dan sintasan larva ikan gabus (Channa striataBloch, 1793).Penelitian dilaksanakan di Laboratorium Akuakultur Departemen Perikanan Universitas Gadjah Mada, pada bulan Juli sampai Agustus 2019. Penetasan telur dan pemeliharaan larva dilakukan dalam air pada media pemeliharaan berupa corong terbuka berbentuk galon terbalik dengan diameter 30 cm dan volume air 17 L yang diletakkan di dalam akuarium dengan volume air 80 L. Air dalam galon diberi perlakuan aerasi dengan debit 0, 500, 1000, 1500, 2000 ml/menit, masing-masing perlakuan memiliki tiga ulangan. Penelitian dimulai dari penebaran telur sebanyak 100 butir tiapgalon (5-6 butir/L air), penetasan telur selama 2 hari, dan pemeliharan larva selama 48 hari. Hasil penelitian menunjukkan bahwa perlakuan aerasi dengan debit 0, 500, 1000, 1500 dan 2000 ml/menit berpengaruh nyata terhadap daya tetas telur dan sintasan larva ikan gabus (Channa striataBloch, 1793). Daya tetas telur ikan gabus tertinggi sebesar 88 % diperoleh dengan debit aerasi sebesar 1425 ml/menit selama 2 hari.Sintasan larvaikan gabus tertinggi sebesar 42 %, yang diperoleh dengan perlakuan aerasi sebesar 309 ml/menit selama 48 hari.

This study aims to determine the effect of aeration debit to egg hatching rate and larvae survival rate of Snakehead (Channa striata Bloch, 1793). The study were conductedat Aquaculture LaboratoryDepartment of Fisheries, Universitas Gadjah Mada U, from July to August 2019. Eggs hatching rate and larvae survival rate were carried out in water on maintenance media in the form of a reverse gallon shaped funnel with a diameter of 30 cm and a volume of 17 L water placed in an aquarium with water volume 80 L. Water in gallons was given aeration treatment with debit 0, 500, 1000, 1500, 2000 ml / min, each treatment had three replications. The study began with 100 eggs stocked per gallon (5-6 eggs / L water), hatching eggs for 2 days, and larvae rearing for 48 days. The results showed that the aeration treatment with debit 0, 500, 1000, 1500 and 2000 ml / min significantly affected the hatching ability of eggs and larvaesurvival rate of Snakehead (Channa striata Bloch, 1793). The highest eggs hatching rate by 88% was obtained by aeration of 1425 ml / min for 2 days. The highest larvae survival rate was 42%, which was obtained by aeration treatment of 309 ml / min for 48 days.

Kata Kunci : corong galon, daya tetas, debit aerasi, ikan gabus, sintasan / funnel gallon, hatching rate, aeration debit, snakehead (Channa striata Bloch, 1793), survival rate