Effect of Number of Film Layers and Storage Duration and on the Fermentation Quality of Whole Crop Oat Silage
2018
Song, T.H., National Agricultural Products Quality Management Service, Cheongju, Republic of Korea | Park, J.H., National Institute of Crop Science, RDA, Wanju, Republic of Korea | Yoon, C., Chanbuk National University, Jeonju, Republic of Korea | Kang, C.S., National Institute of Crop Science, RDA, Wanju, Republic of Korea | Son, J.H., National Institute of Crop Science, RDA, Wanju, Republic of Korea | Yoon, Y.M., National Institute of Crop Science, RDA, Wanju, Republic of Korea | Kim, Y.K., National Institute of Crop Science, RDA, Wanju, Republic of Korea | Cheong, Y.K., National Institute of Crop Science, RDA, Wanju, Republic of Korea | Park, T.I., National Institute of Crop Science, RDA, Wanju, Republic of Korea
This study was conducted to investigate the feed value and silage quality according to storage period and film layers in whole crop oat silage. The crude protein content was increased in all silage during the storage periods compared to those before silage, under prolonged storage period slightly and the number of film layers of silage, six layer were higher than four layers, but no significant. NDF and ADF contents were also increased in all silage of storage duration compared to those before silage, but they was similar level between storage duration and number of film layers. TDN content was decreased of the storage duration. However, it was similar under the storage duration and the number of film layers. The pH value was decreased during prolonged storage period and six layers was lower than four layers depending on the film layers. In the organic acid contents, lactic acid and acetic acid were increased under the prolonged storage duration, and butyric acid was higher significantly(p less than 0.05), six layers of the film were showed higher lactic acid and lower butyric acid(p less than 0.05). Therefore, oat silage should be used within 6 months it was when treated with 4 layers, if considering the long-term storage, it is desirable to treat it with 6 layers or more.
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