Title: Regulation on Forage Nutritive Value of Wancao 2 and Zea mexicana Forage Crops
Abstract:Sudan Grass-Wancao 2 and Zea mexicana were stuadied,the results indicated that the difference of the fresh matter and dry matter yield were significant under different harvesting frequency.The fresh m...Sudan Grass-Wancao 2 and Zea mexicana were stuadied,the results indicated that the difference of the fresh matter and dry matter yield were significant under different harvesting frequency.The fresh matter yield of Sudan Grass-Wancao 2 and Zea mexicana were the highest when cut 3 times and 2 times respectively,in the whole growth period.The dry matter decreased when the harvesting times increased,the dry matter yield of Wancao 2 was significantly higher than that of Zea mexicana,The crude protein(CP) yield of Wancao 2 was the highest when it was cut 3 times,and higher than that of Zea mexicana,but the former CP content was lower than that of the later.The total energy(GE) of Wancao 2 was the highest when it was cut 3 times.The ruminal degradation rate of dry matter and CP was the highest at the first harvest stage,which decreased significantly in the regrown grass,the digestibility rate of acid detergent fiber(ADF) increased gradually.Wancao 2 was higher than Zea mexicana.As for Wancao 2,the content of crude ash(CA) and ADF were higher after silaging.The degradation rates of the CP,acid detergent fiber and dry matter were also higher after silaging.In conclusion,the difference of the two kind of forage crops was caused by their difference of biological characteristics and the regulated measurements.Read More
Publication Year: 2006
Publication Date: 2006-01-01
Language: en
Type: article
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