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All Journal Jurnal Akuakultura Universitas Teuku Umar
Eric Armando
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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EVALUATION OF PUMPKIN PEEL POWDER (Cucurbita moschata durch) DIETARY SUPPLEMENTATION ON GROWTH AND COLOR IMPROVEMENT IN LEMON FISH (Labidochromis caeruleus) Yuniar Cindi Aulia; Shobrina Silmi Qori Tartila; Eric Armando
JURNAL AKUAKULTURA Vol 9, No 2 (2025): JURNAL AKUAKULTURA UNIVERSITAS TEUKU UMAR
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/ja.v9i2.11831

Abstract

This study aimed to determine the supplementation of yellow pumpkin peel powder on the coloration of lemon fish. The powder lemon fish with an average length of 3 cm and a weight of 0.83 g as many as 240 fish. This study used a completely randomized design (CRD) consisting of four treatments and four replicates, namely P1 (0 g/100 g feed), P2 (5 g/100 g feed), P3 (10 g/100 g feed), and P4 (15 g/100 g feed). The aquariums used were 50x30x30 cm in size, with 16 aquariums and 15 fish per aquarium. The fish were reared for 30 days and fed based on fish biomass. The parameters observed were growth performance (absolute weight, absolute length, and survival), water quality, feed nutrient levels, and increased color intensity. Data on growth performance and increased color intensity were analyzed using a one-way analysis of variance (one-way ANOVA) to determine the real difference between each treatment and followed by the Duncan multiple distance test (DMRT) with a 95% confidence interval (p<0.05). Water quality data and feed nutrient levels were analyzed descriptively. The results of the study showed that dietary supplementation with yellow pumpkin peel powder did not affect the growth performance of lemon fish, but it did affect the coloration of lemon fish. The best treatment for increasing the color of lemon fish was P4, with a color increase value of 31.5%.
ANALYSIS OF WATER SUITABILITY FOR FLOATING NET CAGE (KJA) CULTIVATION OF TILAPIA (Oreochromis niloticus) IN GAJAH MUNGKUR RESERVOIR, WONOGIRI REGENCY, CENTRAL JAVA PROVINCE Adian Wisnu; Eric Armando; Andri Nofreeana
JURNAL AKUAKULTURA Vol 9, No 2 (2025): JURNAL AKUAKULTURA UNIVERSITAS TEUKU UMAR
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/ja.v9i2.11561

Abstract

Reservoirs are one of the waters used for fishing activities. One of them is the Gajah Mungkur Reservoir which is used for cultivating tilapia using the KJA system. Activities around the reservoir can affect the quality of the water in it. The aim of this research is to determine the condition of reservoir water quality and to determine the suitability of reservoir waters for tilapia cultivation activities in the KJA system. The method used in this research is the matching and scoring method, which is then used to obtain the water suitability value. The ArcGIS application is also used to map and calculate the area that can be used for cultivation. The parameters measured are temperature, brightness, depth, current speed, basic substrate, pH, DO, CO₂,nitrate, ammonia, and phosphate. The suitability of the waters of the Gajah Mungkur Reservoir at 6 station points is divided into 3 classifications, namely, stations 1 and 2 are in the S3 category (marginally suitable), stations 3, 4 and 6 are in the S2 category (quite suitable) and station 5 is in the S1 category (very suitable). The scores obtained by each station are as follows: station 1 with a score of 34 (70.83%), station 2 with a score of 33 (68.75%), station 3 with a score of 37 (77.08%), station 4 with a score of 40 (83.33%), station 5 with a score of 43 (89.58%), and station 6 with a score of 39 (81.25%). The overall results show that the Gajah Mungkur Reservoir has a suitability value in the S2 category or is moderately suitable.
Co-Authors Adian Wisnu Andri Nofreeana Shobrina Silmi Qori Tartila Yuniar Cindi Aulia