School of Agriculture, Food and Ecosystem Sciences - Theses

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Author: Wiryawan, I Ketut Gede × End date: 1999 × Start date: 1990 × Subject: Feeding and feeds × Subject: Growth ×

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    Growth and digestibility in finishing pigs fed various levels of raw mung beans (Phaseolus aureus [Roxb.] var. Berkin)
    Wiryawan, I Ketut Gede ( 1991)
    Two experiments were conducted to evaluate raw mung beans (Phaseolus aureus [Roxb] var. Berkin) as a source of protein and energy for finishing pigs. In the first experiment, 6 cross-bred (Landrace X Large White) boars of 53 kg liveweight were used to determine the digestible energy (DE) content of ground mung beans by substitution where 30% ground mung beans were included in a basal (wheat) diet at the expense of wheat. The DE content of mung beans was 16 � 0.9 MJ/kg DM. In the second experiment, 24 boars of 58 - 65 kg liveweight were allocated to 6 groups of four and individually fed diets containing 0% (control), 10%, 15%, 20%, 25% and 30% mung beans substituting for the same amount of soybean meal. All diets contained 14.5 MJ DE/kg and an estimated 0.65 g lysine/MJ DE.. Daily feed allowance was restricted to approximately 35 MJ DE. There was no significant difference (P>0.05) between treatments in average daily gain (ADG), feed conversion ratio (FCR), backfat (P2) or relative weights of pancreas, liver, kidney, stomach, small intestine and large intestine. The ADG and FCR were 0.96 � 0.02 kg and 2.60 � 0.05 units of feed/units of gain respectively, whilst P2 was 15.9 � 0.27 mm. The weight of the pancreas, liver, kidney, stomach, small intestine and large intestine relative to body weight were 0.15 � 0.01; 2.07 � 0.03; 0.39 � 0.01; 0.61 � 0.01; 1.96 � 0.03 and 1.41 � 0.03 per cent respectively. Organic matter (OM) and ether extract (EE) digestibilities were not affected by the levels of mung beans, but levels beyond 20% significantly (P< 0.05) decreased apparent digestibility of crude protein (CP) and increased digestibility of neutral detergent fibre (NDF). Under the condition of this study, this variety of mung beans can be incorporated in finisher diets up to 30% without negative effects on growth performance.