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All Journal Al-Aqlu : Jurnal Matematika, Teknik dan Sains
Evron Asrial
Fakultas Perikanan Universitas 45 Mataram
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Computer Science & IT Engineering Mathematics

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KAJIAN BIOLOGI REPRODUKSI KERAPU MACAN (EPINEPHELUS FUSCOGUTTATUS) DI PERAIRAN LABANGKA KABUPATEN SUMBAWA: Reproductive Biology Study of Tiger Grouper (Epinephelus Fuscoguttatus) In Labangka Waters, Sumbawa District Adniati Handayani; Evron Asrial; Luh Gede Sumahiradewi; Ni Kadek Puji Astuti
Al-Aqlu: Jurnal Matematika, Teknik dan Sains Vol. 1 No. 1 (2023): Januari 2023
Publisher : Yayasan Al-Amin Qalbu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59896/aqlu.v1i1.6

Abstract

Tiger grouper is a type of fish whose habitat is in waters, especially rocky waters with a water depth of about 0.5-3 cm (young) and 7-40 cm (adults) from the surface. Tiger grouper is caught with bottom line and net. The purpose of this study was to determine growth parameters regarding growth patterns and condition factors, and to determine reproductive biology parameters regarding gonads, eggs and ficundity of tiger grouper. This study used a dependent descriptive survey method which was carried out in Labangka waters, Sumbawa Regency. Data analysis used simple regression analysis. The results of data processing showed a positive LWR (length weight relationship) pattern (ln W = -a + b ln L) and a hyper-allometric growth pattern (b>3) with a value of b = 3.6. While the value of the condition factor is K average = 1.41 where the K value obtained indicates that the body of the grouper fish in Labangka is less flat and fleshy and is still in its infancy. The results of fecundity data processing produced 675,073.34 eggs/gonads with a gonad weight of 30 g, a gonad length of 8.8 cm and a parent fish weight of 489 g and a length of 29.8 cm
IDENTIFIKASI POTENSI CALON INDUK IKAN NILA (OREOCHROMIS NILOTICUS) DI BENDUNGAN BATUJAI DAN PENGGA KABUPATEN LOMBOK TENGAH: Identification Potency Of Parent Candidate Nila Fish (Oreochromis Niloticus) in The Batujai And Pengga Dam The Central Lombok Districts Alfian Husnul Ridho; Evron Asrial; Lalu Achmad Tan Tilar WSK.; Al Furkan
Al-Aqlu: Jurnal Matematika, Teknik dan Sains Vol. 1 No. 2 (2023): Juli 2023
Publisher : Yayasan Al-Amin Qalbu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59896/aqlu.v1i2.19

Abstract

Tilapia (Oreochromis niloticus) is one of the most widely cultivated freshwater fish species in Indonesia. This study aims to determine the biological conditions of tilapia, the level of gonad maturity (TKG) and tilapia fecundity, and the water conditions of the Batujai and Pengga Dam. Examples of fish caught in October-November 2018 in the Batujai and Pengga Dam were 17 and 16 individuals / dams. Identification for collecting morphometric data (11 characters) and gonads was carried out at the 45 Laboratory of the University of Mataram. Morphomteric measurements were quantitatively processed to describe the morphology of tilapia. Relationship pattern of tilapia morphometric characters in Batujai Dam: C = -a + b P, LWR pattern: ln B = -a + b ln P, and the pattern of growth is hyper allometric (b = 3.95). While the pattern of relation of tilapia morphometric characters in the Pengga Dam: C = -a + b P, LWR pattern: ln B = -a + b ln P, and the pattern of growth is hypo allometric (b = 2.75). The condition factor (K) of tilapia from the two dams yields an average value of K> 1 which is (1,627 and 1,926) which means that the fish body shape is fleshy and its physical condition is ready to reproduce
Co-Authors Adniati Handayani Al Furkan Alfian Husnul Ridho Luh Gede Sumahiradewi Ni Kadek Puji Astuti