Studies on quality of silage from domestic herbage, 3; Effects of starch addition on the quality of Kudzu silage
1990
Kim, J.K. | Hwang, T.K. | Kim, D.J. (Donga Univ., Pusan (Korea Republic). Coll. of Agriculture)
In order to investigate effects of starch addition on the fermentative quality and dry matter digestibility (DMD) of Kudzu, Puerarie thunbergii Bentham plants were ensiled by the conventional method in small experimental plastic silo of 7.5 liter with different levels of starch addition. The fermentative quality, neutral detergent fiber (NDF), acid detergent fiber (ADF), and acid detergent ligmin (ADL) of silage were determined by chemical analysis, and in vitro dry matter digestibility (DMD) by pepsin-cellulase technique. Total digestible nutrients (TDN), digestible energy (DE) and metabolizable energy (ME) were calculated with DMD. Acetate, butyrate, PH, NDF, ADF, and ADL of Kudzu silage were reduced with increasing of starch addition but the contents of lactate and total acid were increased. The DMD was marked 47.5, 49.5, 51.2, 57.9 and 62.0 % under starch addition with a rate of 0, 2, 4, 6 and 8 %, respectively. TDN, DF and ME were increased with high rate of starch addition. The regression equation and correlation of Kudzu silage between level of starch (X) and DMD (Y) were Y= 41.6 + 1.86 X (r= 0.96, P 0.01), of silage between Flieg's score (X) and DMD (Y) were Y
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