EFFECT OF SUPPLEMENTING RUMEN BY PASS FAT AS CONCENTRATED ENERGY SOURCE ON NUTRIENT UTILIZATION IN MURRAH BUFFALOES
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Date
2009
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SRI VENKATESWARA VETERINARY UNIVERSITY TIRUPATI - 517 502. (A.P.) INDIA
Abstract
ABSTRACT :
With a view to investigate the optimum level of inclusion of calcium soap as concentrate source of energy in the straw based diets of Murrah buffaloes, four iso-nitrogenous rations (12.6% CP) supplemented with 0, 5, 7.5 and 10 per cent calcium soap of red palm oil were formulated and evaluated by in vitro and in sacco techniques. Data from in vitro and in sacco studies revealed that supplementation of calcium soap up to 10% had no adverse effect on DM digestibility/degradability of ration. The rations with 0 to 10 per cent of calcium soap were further evaluated in vivo using four Murrah buffaloes with an average body weight of 221.3±3.60 kg. A metabolic trial was conducted to study the effect of inclusion of calcium soap of red palm oil on nutrient utilization. Dry matter intake (kg/d or g/kg w0.75) in buffaloes was not significantly (P>0.05) affected by the level of protected fat in the diet. There was no significant (P>0.05) difference in the digestibility of proximate principle and cell-wall constituents except EE. The EE digestibility was higher by 15.20, 16.89 and 17.22, percentage units, respectively in buffaloes fed rations with 5, 7.5 and 10 per cent protected fat compared to those fed ration with out protected fat supplementation. All the buffaloes were on positive nitrogen balance. Nitrogen retention expressed as g/d, per cent intake or per cent absorbed in buffaloes was not significantly (P>0.05) different among the rations supplemented with 0, 5, 7.5 and 10 per cent level of protected fat. The DCP values of rations with varying levels of calcium soap of red palm oil were not different from each other. The TDN value of the rations with 5, 7.5 and 10 per cent calcium soap was significantly (P<0.01) higher by 3.18, 4.84 and 6.80 percentage units, respectively as compared to ration with out calcium soap. Further, the DCP and TDN intakes were non-significantly (P>0.05) higher in buffaloes fed rations with 5, 7.5 and 10 per cent level of protected fat than those fed ration with out protected fat.
It is concluded from the present study that calcium soap prepared from red palm oil can be used as an energy supplement up to 10% level for Murrah buffalo animals with out affecting DMI and nutrient utilization for improved production.
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