青贮

单独添加纤维素酶会增加玉米青贮过程干物质损失。NDF和ADF分别较对照组降低4.8%和9.2%。

Addition of cellulase increased DM loss during corn ensiling , compared with control group , the NDF and ADF contents were decreased by 4.8 % and 9.2 % respectively , protein loss was decreased by 18.2 % .

青贮玉米密度与产量及产量构成因素的研究

Studies on Ensiling Maize Density and Yield and Its Constitute Factor

由于有机酸生成少，苜蓿青贮的pH值一般较高。

The pH value of alfalfa silage was usually higher as the small amount organic acid .

饲喂燕麦-箭筈豌豆捆裹青贮对绵羊瘤胃pH与氮代谢参数的影响

Effects of feeding with wrapped silage of oat and fodder vetch on pH and nitrogen metabolism parameters in rumen of sheep

试验组青贮料的饲料回收率显著高于对照组（P＜0.01），但各试验组间差异不显著。

The DM recovery rate was significantly higher for the treated silages than that of the control ( P < 0.01 ), and with little difference between the treated silages .

在晾晒24h的苜蓿草渣中分别加入0,10,20g／kg的甲酸进行青贮。

Alfalfa residues were wilted for 24 h and added with formic acid 0,10,20 g / kg respectively .

玉米青贮HACCP技术与青霉菌污染防治

HACCP of Silage and Control of Penicillium Contamination

4）随着糖蜜添加比例的增加，青贮料的pH值在四个时间点均显著低于对照（p<0.01）；

4 ) With the increasing of molasses adding , on four days , the pH value is lower than the control ( p < 0.01 );

添加绿色发酵汁，既能降低苜蓿青贮的pH值，增加乳酸和乙酸含量，还可减少丁酸的生成。

Sprayed previous fermented juice , the pH and butyric acid content of alfalfa silage will be lower and lactic acid and acetic acid content higher .

乳熟期玉米青贮DM的有效降解率比乳熟前期高7.78个百分点（P0.05）。

The DM effective degradability of milk stage was higher 7.78 ( P0.05 ) percent point than premilk stage 's effective degradability .

结果表明，3种添加剂对提高玉米秸秆青贮的品质均有效，特别是MIX的添加效果最佳；

The results showed that all of the three additives could improve the quality of corn straw silages , and the MIX is the best .

不同水平纤维素酶和乳酸菌共同作用处理全株玉米，青贮料的pH均在3.5~3.9之间，符合优质青贮料的标准。

After treating whole-plant corn with lactic acid bacteria and cellulase of different contents , the pH of silage were between 3.5 and 3.9 and attained high-grade silage standard .

第二茬拉伸膜裹包苜蓿青贮长期贮存没有发霉现象，但苜蓿青贮的丁酸含量在苜蓿原料DM含量为18%时升高。

The second cut alfalfa was not mould but the butyric acid content was more cumulated in high moisture baled alfalfa silage .

高水分的青贮过程损耗了该三叶草的营养物质，降低其DM的瘤胃体外消化率。

The process of highly moist silage consumed nutrient content in the clover , and the dry matter digestibility in rumen was reduced .

结果表明：乳酸菌制剂处理除对青贮饲料的DM量和ADL含量无显著影响外（P>0.05），对其他指标均有显著影响（P<0.05）。

The results showed that lactobacillus had a remarkable effect on the silage quality without the content of DM and ADL .

玉米秸青贮ADF有效降解率Ⅲ组、Ⅱ组和Ⅰ组之间无显著差异，但均显著高于C组。

There was no significant difference in three groups for the ADF ED of corn straw silage , but all were significantly higher than C group .

除尿素外的所有添加剂处理均可抑制青贮二次发酵过程中氨态氮的产生，抑制蛋白降解及丁酸的产生，但对pH值的影响效果不一。

All additives except for urea can inhibit the production of ammoniacal nitrogen , butyric acid and the decomposition of protein during silage secondary fermentation , but the effects on pH were differing .

青贮玉米乳熟期鲜产量较高，但含水量也最高，DM含量较低，营养物质累积过少，不利于青贮。

But also with the highest liquid water content , the lowest dry matter , and the nutrientsubstance cumulation is little , not suitable for the silage .

玉米和苜蓿青贮发酵体系中菌群多样性的PCR-DGGE分析

Analysis of monitor bacterial diversity in fermentive corn silage and alfalfa silage by PCR-DGGE method

结果表明各添加剂处理都显著降低了青贮料pH值和ADF含量，并提高了青贮料CP含量；

Results showed that pH and ADF content of alfalfa silage was significantly declined with all the additives , and coarse protein content ( CP ) increased .

结果为：Ⅰ组、Ⅱ组和Ⅲ组玉米秸青贮DM含量差异不显著，但均显著低于C组；

The result was that there was not significant difference for the DM content of ⅰ Group ,ⅱ Group and ⅲ group corn straw silage , but all were significantly lower than C group ;

中草药添加量为20ml/kg厚朴的AA含量显著地高于对照，可以提高青贮的有氧稳定性。

The level of20ml / kg Chinese herbal medicine HP was significantly higher contents of AA in comparison with control , can improve aerobic stability of silage .

而降低马铃薯茎叶的含水量，在发酵过程中pH呈先升高后降低的趋势，符合青贮发酵规律。

With the reduction of the water content on stems and leaves , pH take on the trend of increase first and reduction later in the fermentation process which accord with the laws of silage fermentation .

体外消化试验结果表明：乳酸菌剂和盐-酶处理组提高了24h玉米青贮干物质消化率（P<0.05），提高幅度分别是9.73%和6.73%。

Results of in vitro experiment showed that 24 h-DMD was increased significantly by 9.73 % and 6.73 % ( P < 0.05 ) accordingly .

PCR-DGGE方法分析玉米及苜蓿青贮动态发酵体系中菌群多样性

Analysis on the Bacterial Diversity in the Dynamic Fermentation System of Corn and Alfalfa Silage by PCR-DGGE

研究乳酸菌制剂、纤维素酶和甲酸对羊草（Leymuschinensis）青贮发酵品质和体外消化率的影响。

Studies were conducted to investigate the fermentation quality and in vitro digestibility of Leymus chinensis silage treated with lactic acid bacteria , cellulase , and formic acid .

稻草中的NSC和CP含量与青贮后的发酵品质和饲用品质显著正相关。

The content of NSC and CP in rice straw before silage were positively correlated with the fermentation quality and the feeding value of rice straw silage .

青贮菌剂和商品青贮微生物制剂对苜蓿青贮NDF、ADF含量没有显著影响，对青贮苜蓿DH和NDF的奶牛瘤胃降解率没有显著影响。

NDF and ADF content of alfalfa silages were unaffected by the three groups of alfalfa 's silage inoculants bacteria and silages microbial production .

结果表明：蜡熟期玉米青贮DM的有效降解率（60.07%）分别比乳熟期（52.91%）和乳熟前期（45.13%）高7.16个百分点（P0.05）和14.94个百分点（P0.01）；

The results showed that the DM effective degradability of dough stage was higher 7.16 ( P0.05 ) and 14.94 ( P0.01 ) percent point respectively than milk stage 's and premilk stage corn silage 's.

不同添加剂处理对苜蓿青贮的CP、NDF、ADF、非蛋白氮、酸性洗涤不溶性氮含量影响不大，而贮藏时间对各营养成分含量影响较大。

The effects of different additives on CP , NDF , ADF , no-protein nitrogen , and acid detergent insoluble nitrogen content of baled alfalfa silage were less than the storage period .