Deutscher Tropentag, October 8 - 10, 2003 in Göttingen "Technological and Institutional Innovations for Sustainable Rural Development"

Effect of Rice Bran Replacement with Treated Cassava Peel in Diets on Growth Performance of Indonesian Indigenous Sheep

¹Jenderal Soedirman University, Department of Animal Husbandry, Indonesia
²Georg-August-Universität Göttingen, Institute of Animal Physiology and Nutrition, Germany

Abstract

A study was conducted to investigate the effect of replacing dietary rice bran with treated cassava peel (CaP) on the growth performance of Indonesian indigenous sheep. Twenty-four indigenous sheep each weighing 12.49 ± 1.27 kg were in a Completely Randomized Design assigned to one of 4 treatments diets. The control diet (diet 1) was 25 % Napier grass and 75 % concentrate containing 15 % molasses, 16.73 % coconut cake,1.5 % CaCO₃, 1.5 % premix, 0.27 % urea and 40 % rice bran. The rice bran was in diet 2 replaced with 40 % fresh CaP, in diet 3 with 40 % boiled CaP and in diet 4 with 40 % CaP fermented with Saccharomyces cerevisiae. Content of coconut cake and urea were adjusted to make all treatment diets iso-nitrogeneous and isocaloric. Feed intake, daily body weigh gain, and feed conversion ratio (FCR) were measured. The feed intake of sheep fed diets 1 (control), 3 and 4 did not differ (P>0.05). However, that of diets 2 differed with 1, 3 and 4 (P>0.05). Mean feed intake was 693.87 g/day, 833.95 g/day, 733.40 g/day, and 662.40 g/day for diets 1, 2, 3 and 4, respectively. Average daily gain of sheep fed diet 4 was higher than that of sheep fed diets 2 and 3 but not different from diet 1. The average daily gain was 77 g/day, 65 g/day, 76 g/day and 96 g/day for sheep fed diets 1, 2, 3 and 4 respectively. Diet 4 FCR did not differ (P>0.05) from that of sheep fed diets 3 and 1, but differed from that of diet 2. Mean of FCR was 9.01, 12.83, 9.65 and 6.90 for diets 1, 2, 3 and 4, respectively. It was concluded that treated CaP especially fermented CaP may replace rice bran in diets for improving performance of Indonesian indigenous sheep.

Keywords: Growth performance, indigenous sheep, rice bran, treated cassava peel, Indonesia

Contact Address: Udo ter Meulen, Georg-August-Universität Göttingen, Institute of Animal Physiology and Nutrition, Kellnerweg 6, 37077 Göttingen, Germany, e-mail: umeulengwdg.de