Abstract
The tiger grouper (Epinephelus fuscoguttatus) is an economically important fish whose fry still relies on natural catches. Several species of grouper are very potential to be cultivated because of their fast growth, efficient feed conversion, and high selling value. The purpose of this study is growth performance and survival rate tiger grouper (Epinephelus fuscoguttatus) used different live feed. The research design used in this study was a Completely Randomized Design with 3 treatments 3 replications and continued with LSD test if there were differences. The treatments given are treatment A (Snail), treatment B (Chicken Intestine), and treatment C (Caterpillar Maggot). Parameters observed were length increase, weight gain, survival, feed response, and water quality. The results of this study indicate that the highest increase was found in the treatment of C: 4,04 cm and the lowest was in treatment B: 3 cm, the highest weight gain was found in the treatment of C: 3,73 grams, and the lowest was in treatment B: 2,18 grams. The survival rate for all treatments is 100%. During this study the temperature ranged (28.6-31.8 oC), pH (6.7-8.2), DO (6.3-8.1 ppm), and salinity (23-27 ppt).Keywords: growth, live feed, survival rate, tiger grouper.
Highlights
The tiger grouper (Epinephelus fuscoguttatus) is an economically important fish whose fry still relies on natural catches
The results of this study indicate that the highest increase was found in the treatment of C: 4,04 cm and the lowest was in treatment B: 3 cm, the highest weight gain was found in the treatment of C: 3,73 grams, and the lowest was in treatment B: 2,18 grams
Pemberian Pakan dengan Energi yang BerbedaTerhadap Pertumbuhan Benih Ikan Kerapu Tikus (Cromileptes altivelis)
Summary
Ikan kerapu macan mempunyai kebiasaan makan hewani (carnivora) dan rakus, sifat kanibalnya akan muncul apabila kekurangan pakan, hidupnya menyendiri dan banyak ditemui pada daerah terumbu karang. Berdasarkan permasalahan tersebut maka perlu dicari alternatif pakan yang murah dan mudah didapat, memiliki protein tinggi serta tersedia secara terus menerus. Salah satu pakan alternatif untuk mengurangi harga pakan yang mahal dan berprotein tinggi serta bisa tersedia secara terus menerus yaitu pemberian pakan hewani. Beberapa jenis pakan hewani yang memiliki protein tinggi dan bisa menunjang laju pertumbuhan ikan kerapu macan (Epinephelus fuscoguttatus) yaitu: Ulat Maggot, Bekicot, dan Usus Ayam. Informasi pemberian pakan hewani berupa usus ayam, maggot dan bekicot untuk kerapu macan belum banyak. Berdasarkan latar belakang tersebut diatas maka perlu dilakukan penelitian tentang kajian kinerja pertumbuhan dan kelangsungan hidup ikan kerapu macan dengan pemberian pakan hewani yang berbeda, sehingga nantinya akan di dapat alternatif pakan untuk ikan kerapu macan yang memiliki nutrisi tinggi, murah dan tersedia secara berkelanjutan
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