非灭菌条件下平菇接种黄贮对玉米秸秆营养价值的影响

本试验采用平菇作为供试菌,使其在不做任何灭菌处理前提下直接接种玉米秸秆,并以吉林省长春地区4～9月的平均气温18℃为发酵温度,模拟普通微生物黄贮条件,使秸秆厌氧发酵,以达到提高玉米秸秆营养价值和使秸秆饲料长期保存的目的。试验于玉米秸秆经过平菇接种黄贮处理后第20、23、26、29、32、35、38 d分别取样测定其养分,结果表明:粗蛋白含量较未处理组提高41.7%～63.9%,差异极显著。第32 d粗蛋白含量达到最高值6.21%,提高了2.42个百分点。粗纤维含量较未处理组明显下降,第38 d下降最多,达到40.1%,差异极显著。

Studies on Nutrient Value of Corn Stalks Treated by Pleurotus ostreatus Inoculated Yellow Corn Silage in Non-sterile Conditions

The effect Pleurotus ostreatus inoculation on nutrient value of corn stalks was studied in non-sterile conditions.Non-sterile corn stalks were inoculated with P.ostreatus under the conditions of storage treatment at 18℃.Sampling was taken after 20 d,23 d,26 d,29 d,32 d,35 d and 38 d.The results showed that after P.ostreatus inoculation treatment,crude protein increased by 41.7%-63.9%.The highest crude protein content of 6.21% was gotten in 32 d.Content of CF decreased significantly compared with untreated group,and the lowest CF content was gotten in 38d,which was 40.1%.