水葫芦与甜玉米秸秆混合半干青贮的研究  

The mixing silage of water hyacinth and maize straw under the low moisture conditions

作　　者：陈鑫珠[1] 庄益芬[2] 张建国[1] 廖惠珍[2] 

机构地区：[1]华南农业大学农学院,广东广州510642 [2]福建农林大学动物科学学院,福建福州350002

出　　处：《草业科学》2011年第8期1561-1566,共6页Pratacultural Science

基　　金：福建省教育厅科技项目(JK2009010)

摘　　要：本试验设3种比例的混合青贮,即水葫芦(Eichhornia crassipes)∶甜玉米(Zea mays)秸秆按鲜质量比为9∶1、8∶2和7∶3(W9 M1、W8 M2和W7 M3)混合,并在每种混合比例中设无添加(CK)、添加2 mL/kg绿汁发酵液(FGJ)、添加3 mL/kg蚁酸(FA)和添加3 mL/kg四蚁酸铵(FOR)4个处理,探讨混合比例和添加剂对水葫芦与甜玉米秸秆混合半干青贮发酵品质的影响。每个处理3次重复,常温下贮存60 d,开封后评定其青贮品质。结果表明,3种添加剂均能显著(P<0.05)提高不同混合比例材料的青贮品质,另外W9 M1的干物质回收率显著(P<0.05)高于W8 M2和W7 M3,CK和FGJ处理中,W7 M3的可溶性碳水化合物极显著(P<0.01)高于W8 M2和W9 M1。3种混合比例中,W9 M1的青贮效果最佳;3种添加剂对改善水葫芦与甜玉米秸秆混合青贮品质均有极显著效果,蚁酸的添加对营养物质的保留效果显著。Three mixture ratios of water hyacinth （Eichhornia crassipes） and maize （Zea mays） stalk at 9 ： 1, 8 ： 2 and 7 ： 3 （W9M1, W8M2 and W7M3） with the addition of no-additive, fermented green juice （FGJ）, formic acid and foraform （FOR）, were designed to investigate the effects of mixing ensilage of wa- ter hyacinth and maize stalk on the fermentation quality in this study. The nutritional compositions were measured for each treatment after ensiling for 60 days at ambient temperature. This study showed that three kinds of additives significantly improved the fermentation quality of mixing silages of water hyacinth and maize straw （P〈0.01）. W9M1 was the best and had higher DM recovery than W8M2 and W7M3 did （P〈0.05）. The WSC contents of no-additive and FGJ in WTM3 was significantly higher than those in W9M1 and W8M2 （P〈0.01）.

关 键 词：水葫芦 甜玉米秸秆 混合青贮 添加剂 发酵品质 

分 类 号：S816.53[农业科学—饲料科学]