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Isdy Sulistyo
fpik unsoed
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Environmental Science Social Sciences

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Développement Testiculaire chez Poisson Combattant (Betta splendens), variété de Demi-lune, Subis 35 jours de Différents Régimes de Photopériodes Rika Prihati Cahyaning Pertiwi; Isdy Sulistyo
MAIYAH Vol 1 No 3 (2022): Maiyah : Vol.1 No.3 September 2022
Publisher : Fakultas Perikanan dan Ilmu Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (935.328 KB) | DOI: 10.20884/1.maiyah.2022.1.3.6800

Abstract

Fighting fish (Betta splendens) is one of the fresh water ornamental fish with highly commercial value. This fish has a distinctive morphological shape which is aesthetic and is easy to maintain. Demand for this fish increased leading to opportunities for cultivation. Quality and quantity of fries were constantly needed, and this could be achieved by manipulating reproduction. Photoperiod regimes could play a role to do this. The purpose of this study was to determine the effect of photoperiods on the testis development of halfmoon strains of fighting fish. A completely randomized design was run to test 3 treatments in quintuplicates. The fish were reared under treatment P1 (10 hours light L and 14 hours dark D), treatment P2 (14 hours L and 10 hours D) and treatment P0 (12 hours L and 12 hours D). The fish were maintained for 35-d, in Aquatic Resources Laboratory of FPIK Unsoed. The results showed that treatment P2 was significantly different (P<0.05), which the highest spermatogenesis stage (54.78 ± 16.64%) was obtained. The study concluded that male fighting fish under P2 photoperiod could accelerate testicular maturation.
Fish Diversity in the Middle Part of Klawing River, Purbalingga Regency, Central Java Province Saprudin Saprudin; Petrus Hary Tjahja Soedibja; Nuning Vita Hidayati; Rika Prihati Cahyaning Pertiwi; Isdy Sulistyo
MAIYAH Vol 1 No 4 (2022): Maiyah : Vol.1 No.4 Desember 2022
Publisher : Fakultas Perikanan dan Ilmu Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (373.193 KB) | DOI: 10.20884/1.maiyah.2022.1.4.7252

Abstract

Research on the diversity of fish species in the middle part of the Klawing River, Purbalingga Regency, Central Java Province, dealt with exploring the diversity of fish species in the middle part of the Klawing River. A survey method was applied to collect primary data during April-June 2022. Direct fish sampling was carried out at 3 stations in the middle part of Klawing River. The stations were chosen based on fish farming activities, domestic areas and accessibility. Station 1, 2, and 3 were located in Onje Village of Mrebet District, in Slinga and Lamongan Villages of Kaligondang District, respectively. The results showed that a total of 707 individuals were sampled, consisting of 23 species and 12 familia. Cyprinids dominated total samples. Diversity indexes were 1.94 and 1.99, in station 2 and 3, respectively. Diversity index in station 1 was 1.61. Dominance indexes were 0.26, 0.18, and 0.198, in station 1, 2, and 3, respectively. Evenness indexes consisted of 0.73 and 0.76, in station 1 and 2, respectively. However, evenness index in station 3 was 0.68.
Co-Authors Nuning Vita Hidayati Petrus Hary Tjahja Soedibja Rika Prihati Cahyaning Pertiwi Saprudin Saprudin