添加剂和混合比例对水葫芦玉米秸秆混合青贮品质的影响

Effect of Additives and Mixed Ratio on Quality of Water Hyacinth and Maize Straw Mixed Silages

为促进水葫芦作为饲料资源的利用,按水葫芦∶玉米秸秆(质量比)为9∶1、8∶2和7∶3分别调制水葫芦玉米秸秆混合青贮(简称为91MS、82MS和73MS),并在各种混合比例中设对照(CK)组、添加绿汁发酵液(FGJ)组、添加蚁酸(FA)组和添加四蚁酸铵(FOR)组。每个处理作3次重复,常温下贮存60 d开封,分析测定了可溶性碳水化合物(WSC)、干物质回收率(DMR)、气体损失率(GLR)等指标。结果表明,青贮的品质随玉米秸秆比例的增加而提高;3种添加剂对改善水葫芦玉米秸秆混合青贮营养组成有显著效果。

In order to improve the utilization of feed resources,three kinds of mixed ratio of water hyacinth and maize straw mixture were ensiled.And the mixed ratio of water hyacinth to Maize straw were 9：1,8：2 and 7：3（Short for 91MR、82MR and 73MR）in three kinds of mixed silage,the control group（CK）,fermented green juice adding group（FGJ）,the formic acid adding group（FA）and foraform（FOR） was set in various mixed ratios.Ensilaged for 60 days at normal temperature,the nutritional indexes were measured with three replicates for each treatment.Results indicated that with the increase of mixing ratio of maize straw,silage quality increased.Three kinds of additives have remarkable effect in improving the water hyacinth and Maize Straw Mixed Silages nutritional composition.