Effect of Harvest Stage of Corn on Nutritive Values and Quality of Roll Baled Corn Silage Manufactured with Corn Grown in Paddy Land

This study was carried out to examine the effect of harvest stage of corn on nutritive values and quality of round 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 times (milk, yellow ripen and ripen stage) and ensiled at each harvest stages. Crude protein (CP) and TDN (total digestible nutrient) contents of round baled corn silage was decreased and in vitro dry matter digestibility (IVDMD) was not changed with delayed harvest maturity. However, contents of ADF (acid detergent fiber) and NDF(neutral detergent fiber) decreased with delayed harvest maturity. The pH at three different harvest stages ranged from 3.8 to 4.0. The content of lactic acid increased with delayed harvest maturity, but the content of acetic acid decreased. And then, flieg's score reveals that there is an increase in order, ripen stage > yellow ripen stage > milk stage. Therefore, this study suggest that round baled corn silage manufactured at yellow ripen stage can improve the silage quality. (Key words : Corn, Silage, Round bale, Quality, Organic acid)

[1]  Gaowen Yang,et al.  Effect of harvest stage, wilting and crushed rice on the forage production and silage quality of organic whole crop barely. , 2010 .

[2]  W. Kim,et al.  Comparison of Growth Characteristics and Yields of Autumn-Sowing Annual Legumes in Paddy Field of Central Provinces , 2008 .

[3]  Yong-Min Cho,et al.  Effect of Growth Stage and Variety on the Quality of Whole Crop Rice Silage , 2008 .

[4]  A. Hristov,et al.  Effect of inoculants on whole-crop barley silage fermentation and dry matter disappearance in situ. , 2002, Journal of animal science.

[5]  D. C. Patterson,et al.  An evaluation of an inoculant/enzyme preparation as an additive for grass silage for dairy cattle , 1997 .

[6]  Marshall H. Jurgens,et al.  Animal Feeding and Nutrition , 1996 .

[7]  T. Keady,et al.  Effects of treating low dry‐matter grass with a bacterial inoculant on the intake and performance of beef cattle and studies on its mode of action , 1994 .

[8]  D. Anderson,et al.  The influence of an inoculant/enzyme preparation as an additive for grass silage offered in combination with three levels of concentrate supplementation on performance of lactating dairy cows , 1993 .

[9]  R. Steen,et al.  Evaluation studies in the development of a commercial bacterial inoculant as an additive for grass silage , 1989 .

[10]  R. Steen,et al.  Evaluation studies in the development of a commercial bacterial inoculant as an additive for grass silage. 3. Responses in growing cattle and interaction with protein supplementation , 1989 .

[11]  Sang-Hoon Lee,et al.  Effect of Different Drained Conditions on Growth, Forage Production and Quality of Silage Corn at Paddy Field , 2009 .

[12]  I. Jo.  The Effect of Application of Cattle Slurry on Dry Matter Yield and Feed Values of Tall Fescue (Festuca arundinacea Schreb.) in Uncultivated Rice Paddy , 2007 .

[13]  J. Ham,et al.  Effects of Inoculants on the Quality of Round Baled Grass Silage , 2006 .

[14]  S. Sung,et al.  Effects of Wilting Days on the Quality of Round Baled Grass Silage , 2006 .

[15]  S. Sung,et al.  Study on the Promising Double Cropping System of Summer and Winter Forage Crop in Paddy Field , 2005 .