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Effects of Bacterial Inoculants and Cutting Height on Fermentation Quality of Barley Silage
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 Title & Authors
Effects of Bacterial Inoculants and Cutting Height on Fermentation Quality of Barley Silage
Lee, Hyuk Jun; Kim, Dong Hyeon; Amanullah, Sadar M.; Kim, Sam Churl; Song, Young Min; Kim, Hoi Yun;
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This study was conducted to investigate the effects of bacterial inoculation (Lactobacillus plantarum) and cutting height on the chemical composition, fermentation characteristics and in vitro dry matter digestibility (IVDMD) in whole crop barley silage. Barley forage (Youngyang hybrid) was harvested at about 27% of dry matter (DM) level at two different cutting height (5 vs. 15 cm). And it was chopped to 5 cm length and treated with or without L. plantarum. Four replicates of each treatment were ensiled into 10 L mini silo (3 kg) for 100 days. After 100 days, bacterial inoculation decreased (p=0.001) DM content, while increased cutting height increased (p=0.002) DM in uninoculated silage. Crude protein (CP) concentration was decreased by increasing height in uninoculated silage (8.84 vs. 8.16) but increased in inoculated silage (8.19 vs. 8.99). Both neutral detergent fiber (NDF) (p<0.011) and acid detergent fiber (ADF) (p<0.004) were decreased by increasing cutting height of forage at harvest. The IVDMD and ammonia-N was increased (p=0.001) by increasing cutting height and inoculation, respectively. Lactic acid bacteria (LAB) was increased (p=0.002) in inoculated silage, but yeast count was decreased (p=0.026) in uninoculated silages. It is concluded that increased cutting height of forage at harvest could be useful to make a fibrous portion with increase of dry matter digestibility of silages.
Barley;Cutting height;Lactobacillus plantarum;Silage;
 Cited by
젖산균과 효소제 처리에 의한 동계사료작물 발효성상, In vitro 반추위 발효 및 소화율에 미치는 영향 연구,이아름;신수진;양진호;조상범;최낙진;

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