Study on Manufacture of Square Baled Corn Silage Using Square Silage Wrapping Compressor
2011
Choi, K.C., National Institute of Animal Science, RDA, Cheonan, Republic of Korea | Cho, N.C., National Institute of Animal Science, RDA, Cheonan, Republic of Korea | Jung, M.W., National Institute of Animal Science, RDA, Cheonan, Republic of Korea | Kim, J.G., National Institute of Animal Science, RDA, Cheonan, Republic of Korea | Shin, J.S., National Institute of Animal Science, RDA, Cheonan, Republic of Korea | Lee, K.D., Dongshin University, Naju, Republic of Korea | Lim, Y.C., National Institute of Animal Science, RDA, Cheonan, Republic of Korea | Kim, W.H., National Institute of Animal Science, RDA, Cheonan, Republic of Korea | Oh, Y.K., National Institute of Animal Science, RDA, Cheonan, Republic of Korea | Kim, C.M., National Institute of Animal Science, RDA, Cheonan, Republic of Korea | Kim, H.G., National Institute of Animal Science, RDA, Cheonan, Republic of Korea | Han, D.B., National Institute of Animal Science, RDA, Cheonan, Republic of Korea
This study was conducted to investigate the effect of harvest stage of corn on the quality of square baled corn silage manufactured with corn grown in paddy land of Department of Animal Resources Development, National Institute of Animal Science, RDA from 2009 to 2010. Corn "Kwangpyungok" was harvested at three different growth stages (milk, yellow ripen and ripen stage) and ensiled at each harvest time. Square baled corn silage was manufactured by use of square silage wrapping compressor. Each treatment was replicated three times. The content of crude protein (CP) of corn in square baled corn silage decreased with delayed maturity, but the content of ADF (acid detergent fiber), NDF (neutral detergent fiber), TDN (total digestible nutrient) and in vitro dry matter digestibility (IVDMD) were not changed. The content of moisture, pH and the nutritive values at three different harvest stages were not influenced by the method of silage manufacture and inoculant. The content of lactate of square baled corn silage harvested in milk stage of corn was significantly increased, as compared with that of round baled corn silage (P less than 0.05), but in stage of yellow ripen was significantly decreased (P less than 0.05). The content of acetate in square baled corn silage significantly decreased with delayed harvest maturity, as compared with that of round baled corn silage (P less than 0.05). Flieg's score of square baled corn silage harvested in milk stage of corn was slightly higher than that of round baled corn silage, but Flieg's scores in yellow ripen stage and ripen stage were not influenced by the method of silage manufacture. Flieg's score with delayed maturity was not influenced by the method of silage manufacture and inoculant. The manufacture of square baled corn silage was proved to be suitable for the fermentation of corn silage. Therefore, this study suggest that square baled corn silage can be a way of new silage manufacture technique.
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