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All Journal Zuriat BERITA BIOLOGI Jurnal Mina Sains

Titin Kurniasih

Balai Riset Perikanan Budidaya Air Tawar, Bogor

Author-ID : 301584

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education

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SUBSTITUSI TEPUNG BUNGKIL KEDELAI DENGAN TEPUNG DAUN LAMTORO DAN PENGARUHNYA TERHADAP EFISIENSI PAKAN DAN PERTUMBUHAN IKAN NILA [Effect of Soybean Meal Replacement with Leucaena leucocephala Meal in Pelleted Feed on feed efficiency and the growth of Nile Tilapia] Kurniasih, Titin; Rosmawati, Rosmawati
BERITA BIOLOGI Vol 12, No 2 (2013)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

The high cost of fish feed is a main problem in aquaculture industries, and the effort to improve the cost efficiency of feed is the main focus for nutritional research program all over the world. Research is needed to identify less expensive and more sustainable ingredients within fish feeds, while maintaining nutritional quality equal to those based mainly on fish meal and soybean meal. Leucaena leaf meal (LLM) is a potential alternative plant protein source because of its high protein content and low cost compared to soybean meal. The Leucaena leaf was soaked in freshwater for 3 days prior to use. This study was a 60-day trial and aimed to examine the replacement of soybean meal with LLM at various level in practical feed for Nile tilapia. This trial used a Completely Randomized Design which was carried out in 15 aquarias sized of 60 x 60 x 50 cm. Triplicate group of nile tilapia (initial body weight 12,04 ÃÂ± 0,38 g fish-1 ) were fed five isonitrogenous and isocaloric feeds. The control feed was containing soybean meal, whereas in other four feeds, LLM directly replaced soybean meal with the inclusion level of 8, 16, 24 dan 31 % within the feed formulation. Result showed that the growth performance and feed efficiencies of feed containing 8, 16, 24 and 31 % LLM on the formulation were significantly lower compared to control feed. LLM was able to consumed by nile tilapia although there was a tendency of decrease of the feed consumption with the increase of LLM inclusion. It suggested that the additional treatment is needed to improve the quality of LLM, and to increase the inclusion level of LLM in feed.

KERAGAAN PEMIJAHAN ANTAR TIGA STOK UDANG HUNA MERAH (Cherax quadricarinatus von Martens) Arifin, Otong Zenal; Kurniasih, Titin
BERITA BIOLOGI Vol 12, No 1 (2013)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

This research aimed to obtain information on the variability of crossbred resulted from three stocks of red claw (Cherax quadricarinatus von Martens). This research was performed at Research and Develepment Institute for Freshwater Aquaculture.Nine population consists of tree true breed and six reciprocal breed were resulted from the crossbreeding between the three stocks from Jakarta, Bali and Sukabumi.Results showed that the crossbred between Bali female parent and Jakarta male parent had the highest number of larvae / kg weight of female parent compared to the other crossbred. Between the female parent category, the Bali female parent showed the highest number of the larvae yielded, and between the male parent category, the Sukabumi male parent did. There was no significant different between the crossbred on the respon of growth performance. The highest heterosis on the number of larvae was achieved by the crossbred between Bali and Jakarta (25.8%) while the crossbred between Bali and Sukabumi performed the negative heterosis (-17.6%).Based on the calculation of the number larvae per kilogram weight of the parent, the highest heterosis was achieved by the crossbred Bali-Sukabumi (98.4%).The heterosis on the final weight and length showed the poor result, while on the respon of the specific growth rate showed negative result.It can be concluded that this undertaken hybridization did not provided the significant positive heterosis effect except for the number of larva per unit weight of parent.

Co-Authors Chodriyah, Umi Irin Iriana Kusmini, Irin Iriana LUKMAN, LUKMAN Murdinah, Murdinah Nurhasanah, Heni Otong Zenal Arifin Permana, I Gusti Ngurah Riza Zainuddin Ahmad Rosmawati Rosmawati Rudhy Gustiano supriadi, feri Tutik Kadarini Yosmaniar, Yosmaniar

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