Effect of Selected Inoculant Applications on Chemical Compositions and Fermentation Characteristics of High Moisture Rye Silage Seong Shin Lee1,†, Seung Min Jeong2,†, Myeong Ji Seo2, Young Ho Joo3
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- 2023.04.03
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서지정보
ㆍ발행기관 : 한국초지조사료학회
ㆍ수록지정보 : 한국초지조사료학회지 / 42권 / 3호
ㆍ저자명 : Seong Shin Lee, Seung Min Jeong, Myeong Ji Seo, Young Ho Joo, Dimas Hand Vidya Paradhipta, Pil Nam Seong, Sam Churl Kim
목차
ABSTRACT
Ⅰ. INTRODUCTION
Ⅱ. MATERIALS AND METHODS
1. Silage production
2. Chemical compositions and in vitro nutrient digestibility
3. Fermentation characteristics
4. Microbial enumerations
5. Statistical analysis
Ⅲ. RESULTS
Ⅳ. DISCUSSION
Ⅴ. CONCLUSION
Ⅵ. ACKNOWLEDGMENT
Ⅶ. REFERENCES
영어 초록
The aim of this study was to investigate the effect of isolated lactic acid bacteria (LAB) on the quality of high moisture rye silage. Rye forage (Secale cereale L.) was harvested at the heading stage (27.3% of dry matter (DM)) and cut into approximately 3-5 cm lengths. Then, the forage divided into 4 treatments with different inoculants: 1) No additives (CON); 2) Lactobacillus brevis strain 100D8 at a 1.2 x 105 colony-forming unit (cfu)/g of fresh forage (LBR); 3) Leuconostoc holzapfelii strain 5H4 at a 1.0 x 105 cfu/g of fresh forage (LHO); and 4) Mixture of LBR and LHO (1:1 ratio) applied at a 1.0 x 105 cfu/g of fresh forage (MIX). About 3 kg of forage from each treatment was ensiled into a 20 L mini-bucket silo in quadruplicate for 100 days. After silo opening, silage was collected for analyses of chemical compositions, in vitro nutrient digestibilities, fermentation characteristics, and microbial enumerations. The CON silage had the highest concentrations of neutral detergent fiber and acid detergent fiber (p = 0.006; p = 0.008) and a lowest in vitro DM digestibility (p < 0.001). The pH was highest in CON silage, while lowest in LBR and MIX silages (p < 0.001). The concentrations of ammonia-N, lactate, and acetate were highest in LBR silage (p = 0.008; p < 0.001; p < 0.001). Propionate and butyrate concentrations were highest in CON silage (p = 0.004; p < 0.001). The LAB and yeast counts were higher in CON and LHO silages compare to LBR and MIX silages (p < 0.001). However, the mold did not detect in all treatments. Therefore, this study could conclude that L. brevis 100D8 and Leu. holzapfelii strain 5H4 can improve the digestibility and anti-fungal activity of high moisture rye silage.
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