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All Journal Jurnal Ilmu Pertanian Indonesia Jurnal Akuakultur Indonesia Jurnal Pengolahan Hasil Perikanan Indonesia Jurnal Ilmu dan Teknologi Kelautan Tropis Jurnal Ilmu-Ilmu Perairan dan Perikanan Indonesia Jurnal Akuakultur Rawa Indonesia ILMU KELAUTAN: Indonesian Journal of Marine Sciences Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology BIOTROPIA - The Southeast Asian Journal of Tropical Biology Omni-Akuatika Indonesian Aquaculture Journal Jurnal Riset Akuakultur Media Akuakultur Jurnal Iktiologi Indonesia (Indonesian Journal of Ichthyology) Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan
DEDI JUSADI
Department Of Aquaculture, Faculty Of Fisheries And Marine Science, IPB University, Bogor, West Java 16680, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Engineering Environmental Science Immunology & microbiology Library & Information Science Veterinary

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EFFECT OF PHYTASE SUPPLEMENTATION IN SOYBEAN MEAL BASED DIET ON NUTRIENT DIGESTIBILITY AND GROWTH PERFORMANCE OF GREEN CATFISH (Hemibagrus nemurus) DEDI JUSADI; YULISMAN; ING MOKOGINTA
BIOTROPIA Vol. 15 No. 2 (2008): BIOTROPIA Vol. 15 No. 2 December 2008
Publisher : SEAMEO BIOTROP

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (98.641 KB) | DOI: 10.11598/btb.2008.15.2.70

Abstract

This experiment was conducted to evaluate the effect of phytase supplemented to the diet on phosphorus (P) digestibility and growth performance of the green catfish Hemibagrus nemurus. Five kinds of experimental diets were used in this experiment, namely diets A, B, C, D and E. Diet A, as a control, was supplemented with inorganic P, without phytase supplementation. Diet B, C, D and E were supplemented with 0, 20, 40 and 60 mg phytase/100 g soybean meal (SBM), respectively, without inorganic P supplementation. Fifteen fish with initial body weight of 6.9 + 0.2 g were stocked into each 60-l aquarium. Fish were fed on the diets for 60 days. Results indicated that P digestibility increased from 64.5% to 87.0% as phytase supplement increased from 0 mg in diet B to 60 mg phytase/100 g SBM in diet E. P digestibility in diet E was higher than that in diet A (77.6%). The daily growth rate and feed conversion ratio followed similar trend. P, Calcium (Ca) and Zinc (Zn) concentration in the whole body and bone of fish fed diet E were higher than the fish fed diet B, C and D, but were insignificant compared to the fish fed diet A. Nitrogen (N) and P loading by fish fed diet E were, respectively, 76% and 20% lower than those in fish fed the control diet. It is concluded that the inclusion of 60 mg phytase/100 g SBM in the diet of the green catfish could replace the utilization of inorganic P increase the digestibility of the diet thereby resulting in increased growth rate and reduced excretion of P and N into the waters. Keywords: Hemibagrus nemurus, phytase, soybean meal, phosphorus.
EFFECTS OF HUMIC ACID ADDITION TO FEEDS WITH HEAVY METAL CADMIUM CONTAMINATION FROM GREEN MUSSELS ON THE GROWTH PERFORMANCE OF ASIAN SEABASS Rasidi Rasidi; Dedi Jusadi; Mia Setiawati; Munti Yuhana; Muhammad Zairin Jr.; Ketut Sugama
BIOTROPIA Vol. 26 No. 3 (2019): BIOTROPIA Vol. 26 No. 3 December 2019
Publisher : SEAMEO BIOTROP

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (236.409 KB) | DOI: 10.11598/btb.2019.26.3.1114

Abstract

Although it contains heavy metals, the highly nutritious green mussel Perna viridis is used as a fish meal replacement in fish diets. Fortunately, humic acid (HA) has the ability to chelate heavy metals in animal feeds. Its addition to fish feed formulation is, therefore, needed to prevent the accumulation of heavy metals in the fish's body. Hence, an experiment using a Completely Randomized Design (CRD) with 5 treatments and 3 replications was conducted to evaluate the performance and feed efficiency of Asian seabass Lates calcarifer juveniles with the addition of HA to their green mussel–based diet containing the heavy metal cadmium (Cd). Five experimental diets were formulated with different dosages of HA addition at 0, 400, 800, 1200, and 1600 mg kg⁻¹ of feed as treatments A, B, C, D, and E, respectively. The experimental diets were given to triplicate groups of 15 Asian seabass juveniles with an initial body weight of 4.30 ± 0.60 g over a 70-day cultivation period, feeding until satiation. The results showed that feed consumption, feed digestibility, protein retention, growth performance, and feed efficiency were significantly affected by HA addition in the fish diet. Among all treatments, HA addition of 1600 mg kg⁻¹ produced the best biological response from the Asian seabass. To conclude, the HA addition of 1600 mg kg⁻¹ into the diet was the best dosage, resulting in optimal growth performance and feed efficiency in Asian seabass. The highest dose of HA in Cd-contaminated feeds could reduce Cd content, but had not yet been able to eliminate Cd in fish meat. Therefore, green mussel meal, with HA addition as an alternative protein source, has potential as a feed additive for Cd-contaminated diets of Asian seabass juveniles.
Co-Authors , Sarmin , Sofian, , . Syafiuddin A. Shofy Mubarak A.I. Nirwana Achmad Noerkhaerin Putra Adang Saputra Ade Sunarma Adiasmara Giri, I Nyoman Agustinus Ngaddi Ahmad Ghufron Mustofa Ahmad Yazid Latif Aimma, Muhammad Ariful Alimuddin Aliyah Sakinah, Aliyah Andi Tiara Eka Diana Puteri, Andi Tiara Eka Diana Anny Hary Ayu Apriana Vinasyiam Asda Laining Ayi Rahmat Azis Kurniansyah B.A. Hasyim Dadang Syafruddin Darina Putri Darsiani Darsiani Deddy Yaniharto Deddy Yaniharto dedy yaniharto Dewi Sulasingkin Diamahesa, Wastu Ayu Didi Humaedi Yusuf, Didi Humaedi Dinamella Wahjuningrum Dini Harianto Dodi Hermawan E. Gandara Eddy Supriyono Enang Harris Enang Harris Enang Harris Enang Harris Enang Harris Enang Harris Endang Purnama Sari Fardila Putri, Rizqiyatul Febrina Rolin Fitriani, Farida Grenda Audia Wuryas Pradita Negara Hasan Abidin Hasan Nasrullah Hendriana, Andri Hestirianoto, Totok I MADE ARTIKA I Nyoman Adi Asmara Giri I. Mokoginta Ichsan Achmad Fauzi Ika Wahyuni Putri Imlani, Ainulyakin Hasan Imron Imron, Imron Ing Mokoginta ING MOKOGINTA Ing Mokoginta Ing Mokoginta Ing Mokoginta Ing Mokoginta ING MOKOGINTA Iqbal Kurniawinata, Mohamad Irzal Effendi Ismail Rahmat Ismarica, Ismarica Jefry Jefry Juli Ekasari Julie Ekasari Jullie Ekasari Ketut Sugama Ketut Sugama Kukuh Nirmala M. Zairin Junior Mas Bayu Syamsunarno Mas Tri Djoko Sunarno Mas Tri Djoko Sunarno Mas Tri Djoko Sunarno, Mas Tri Djoko Meilisza, Nina Mia Setiawati Mohamad Amin MUHAMMAD AGUS SUPRAYUDI Muhammad Roikhan Amanullah Muhammad Zairin Jr. Muhammad Zairin Jr. Muhammad Zairin Jr. Muhammad Zairin Jr. Mujizat Kawaroe MUNTI YUHANA Nadisa Theresia Putri Neltje Nobertine Palinggi Neltje Nobertine Palinggi nFN Safratilofa Nina Meilisza Nur Bambang Priyo Utomo Nur Hikma Mahasu Nur, Abidin NurBambang Priyono Utomo Nurina Pratiwi Odang Carman Otie Dylan Soebhakti Hasan Pangentasari, Dwinda R Rifai Rahma Dini Arbajayanti Rahma, Balqis Aulia Rahmadani, Thoy Batun Citra Rakhmawati, Rakhmawati, Rasidi Rasidi Rasidi Rasidi Reza Samsudin Ria Septy Anggraini, Ria Septy Ricky Ramadhan RIDWAN AFFANDI Rina Hirnawati Riska Diana Rizkan Fahmi Robin, , Shella Marlinda Shidik, Taufik Shidik Adi Nugroho Siti Komariyah Siti Murniasih Sri Nuryati Sri Nuryati Suardi Laheng Sumantri, Iwan Sumiana, I Kadek Syarifah Ruchyani Syefti Palmi, Revita T.L. Pelawi Talita Shofa Adestia Tira Silvianti Titin Kurniasih Toshiro Masumoto Triana Retno Palupi Tulas Aprilia Ucu Cahyadi Usman Usman Usman Usman Usman Usman Uttari Dewi Wahyu Pamungkas Wahyu Pamungkas Wahyudi, Imam Tri Wasjan Wasjan Wasjan WIDANARNI WIDANARNI Widya Puspitasari Wijianti, Hani Wiwik Hildayanti Yulfiperius, Yulfiperius Yulintine Yulintine YULISMAN Yuni Puji Hastuti Yutaka Haga Zuraida .