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All Journal Jurnal Akuakultur Indonesia Indonesian Aquaculture Journal Aquacultura Indonesiana
ALIM ISNANSETYO
Universitas Gadjah Mada
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences

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Journal : Indonesian Aquaculture Journal

 1 
COMPARISON OF NUTRITIONAL AND PROTEASE ACTIVITY PROFILES OF TWO LIVE FEED CANDIDATES OF Pseudodiaptomus SPECIES Rina Puji Astuti; Alim Isnansetyo; Rarastoeti Pratiwi; Suwarno Hadisusanto
Indonesian Aquaculture Journal Vol 17, No 1 (2022): (June, 2022)
Publisher : Center for Fisheries Research, Agency for Marine and Fisheries Research and Human Resource

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/iaj.17.1.2022.45-51

Abstract

Pseudodiaptomus species are one of the copepods species as a superior live feed to date due to their nutrition and digestive enzyme contents. Some of them have been used as natural for rearing marine fish larvae. The purposes of this study were to compare the nutritional and protease activity between two species of Pseudodiaptomus originated from Indonesian waters, and to determine more superior species to cultivate. Two different feeds i.e. Thalassiosira sp. and milk powder were used to grow the Pseudodiaptomus species. Analysis of amino acids (AAs) and fatty acids (FAs) profiles were carried out for both the Pseudodiaptomus species samples and the feeds, while the protease activity assay was carried out only for the Pseudodiaptomus species samples. Results indicated that the nutritional and protease activity profiles of Pseudodiaptomus were affected by the types of feed. Pseudodiaptomus code P61 was more superior to Pseudodiaptomus code P71. This code P61 species contained a wide variety of essential fatty acids and exhibited stabile protease activity under the different feeding treatments. However, P61 contained a lower total AA content than P71. Both of them could be cultivated because they were complementary in nutrients to each other.
FEED EFFICIENCY AND GROWTH OF CATFISH (Clarias sp.) FED WITH THE ADDITION OF IMMUNE-BOOSTING FERMENTED EARTHWORMS Mukhlisnah Djalil; Alim Isnansetyo; Triyanto Triyanto; Tito Arya Nugraha
Indonesian Aquaculture Journal Vol 17, No 2 (2022): (December, 2022)
Publisher : Center for Fisheries Research, Agency for Marine and Fisheries Research and Human Resource

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/iaj.17.2.2022.157-163

Abstract

A fermented earthworm (FEW) is reported to be an alternative to an immune-modulator feed additive in catfish. However, the effects on growth and feed efficiency have not been reported yet. The present study aimed to evaluate the effects of fermented earthworms (FEW) on the growth and feed efficiency of catfish (Clarias sp.). A feeding trial was conducted in a completely randomized design with five treatments of diet in quadruplicate. The trial was conducted for 78 days. The observed parameters comprised of survival rate (SR), specific growth rate (SGR), feed conversion ratio (FCR), feed efficiency (FE), protein efficiency ratio (PER), and total biomass. The results revealed that the FEW at up to 5% did not affect (P>0.05) the growth rate of catfish, but FEW gave a negative effect on the growth rate (P>0.05) at the addition rate higher than 5%. The highest growth rate was found at the addition rate of 2.5%. FEW also did not affect the survival rate (SR), FCR, PER, and total biomass (P>0.05). This study successfully confirmed that FEW could be used as an alternative to immuno-modulator ingredient without any negative impact on the growth of catfish when FEW was added to the feed at as high as 5%. These findings give a new perpective in utilizing FEW as a fuctional aqua-feed ingredient to increase immune response without alteration of the fish growth.
Co-Authors Aldi M. Halim Andi Niklani Angela Mariana Lusiastuti Anshory, Lutfi Condro, Sri Laksono Esti Handayani Hardi Gina Saptiani Hariyadi, Dimas Rizky Ign. Hardaningsih INDAH ISTIQOMAH Irpani, Husni Mubarok Kim, Sung Sam Lusiana, Lusiana Mira Mawardi Mukhlisnah Djalil Murwantoko . Noer Kasanah Rarastoeti Pratiwi Rina Puji Astuti Rudy Agung Nugroho SUWARNO HADISUSANTO Tito Arya Nugraha Triastutik, Gemi Triyanto Triyanto Wahyudi Wahyudi Widianingsih Rahayu Wulansari, Tyas Ayu Yasa, Ngurah Sedana Zafran, Zafran