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Study on corn stalks powder and alfalfa hay powder degradation by rumen microorganism in vitro

Fu Diaojun;Zhou Qingbo;Wang Changping;  
Different ratio combination of corn stalks powder and alfalfa hay powder(8∶2,7∶3,6∶4,5∶5,4∶6,3∶7,2∶8) were degradated by rumen microorganism in vitro.Gas production and dry matter degradation rate in different fermentation period were determined,to explore the degradation law of rumen microorganism degradating corn stalks and alfalfa hay mixed powder.The results showed that the ratio of 3∶7 was most proportion for the rumen microorganism reproducing and growing,followed by 4∶6.
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