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Volume 9
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10.3390/microorganisms9030558
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Article

Effects of Inoculants Producing Antifungal and Carboxylesterase Activities on Corn Silage and Its Shelf Life against Mold Contamination at Feed-Out Phase

by
Dimas Hand Vidya Paradhipta
1,2,
Young Ho Joo
3,
Hyuk Jun Lee
1,
Seong Shin Lee
1,
Hyeon Tak Noh
1,
Jeong Seok Choi
1,
Jinwoo Kim
4,
Hyeong Gyu Min
5 and
Sam Churl Kim
1,*
1
Division of Applied Life Science (BK21Four, Institute of Agriculture & Life Science), Gyeongsang National University, Jinju 52828, Korea
2
Faculty of Animal Science, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia
3
Institute of Agriculture and Life Science, Gyeongsang National University, Jinju 52828, Korea
4
Department of Plant Medicine, Gyeongsang National University, Jinju 52828, Korea
5
Agricultural Promotion Department, Sancheong Agricultural Technology Center, Sancheong 52221, Korea
*
Author to whom correspondence should be addressed.
Microorganisms 2021, 9(3), 558; https://doi.org/10.3390/microorganisms9030558
Submission received: 8 February 2021 / Revised: 2 March 2021 / Accepted: 5 March 2021 / Published: 8 March 2021
(This article belongs to the Special Issue Probiotics for Next Generations)
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Abstract

The present study aimed to investigate effects of dual-purpose inoculants (antifungal and carboxylesterase activities) not only on corn silage quality, but also its shelf life against mold contamination at feed-out phase. Corn forage was ensiled for 252 d with different inoculants of the following: control (CON), Lactobacillus brevis 5M2 (5M), Lactobacillus buchneri 6M1 (6M), and mixture of 5M and 6M at 1:1 ratio (MIX). After ensiling, corn silage was contaminated with Fusarium graminearum. Silages applied inoculants had positive effects by increased organic acid and lactic acid bacteria, and decreased undesirable microbes. At feed-out phase, contamination of F. graminearum into corn silage had a negative effect on aerobic stability caused by increased growth of undesirable microbes. However, silages applied inoculants had positive effects by decreased undesirable microbes and extended lactic acid bacteria and aerobic stability. Generally, MIX silage presented better effects on organic acid production, rumen degradation, inhibition of undesirable microbes, and aerobic stability than 5M silage and 6M silage. The present study concluded that application of inoculants into corn silage had positive effects on fermentation characteristics and extended shelf life against mold contamination at feed-out phase. A mixed inoculant appeared to have better effects of antifungal and carboxylesterase than a single inoculant.
Keywords: antifungal; carboxylesterase; corn silage; feed-out phase; Fusarium graminearum; Lactobacillus brevis 5M2; Lactobacillus buchneri 6M1 antifungal; carboxylesterase; corn silage; feed-out phase; Fusarium graminearum; Lactobacillus brevis 5M2; Lactobacillus buchneri 6M1

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MDPI and ACS Style

Paradhipta, D.H.V.; Joo, Y.H.; Lee, H.J.; Lee, S.S.; Noh, H.T.; Choi, J.S.; Kim, J.; Min, H.G.; Kim, S.C. Effects of Inoculants Producing Antifungal and Carboxylesterase Activities on Corn Silage and Its Shelf Life against Mold Contamination at Feed-Out Phase. Microorganisms 2021, 9, 558. https://doi.org/10.3390/microorganisms9030558

AMA Style

Paradhipta DHV, Joo YH, Lee HJ, Lee SS, Noh HT, Choi JS, Kim J, Min HG, Kim SC. Effects of Inoculants Producing Antifungal and Carboxylesterase Activities on Corn Silage and Its Shelf Life against Mold Contamination at Feed-Out Phase. Microorganisms. 2021; 9(3):558. https://doi.org/10.3390/microorganisms9030558

Chicago/Turabian Style

Paradhipta, Dimas Hand Vidya, Young Ho Joo, Hyuk Jun Lee, Seong Shin Lee, Hyeon Tak Noh, Jeong Seok Choi, Jinwoo Kim, Hyeong Gyu Min, and Sam Churl Kim. 2021. "Effects of Inoculants Producing Antifungal and Carboxylesterase Activities on Corn Silage and Its Shelf Life against Mold Contamination at Feed-Out Phase" Microorganisms 9, no. 3: 558. https://doi.org/10.3390/microorganisms9030558

APA Style

Paradhipta, D. H. V., Joo, Y. H., Lee, H. J., Lee, S. S., Noh, H. T., Choi, J. S., Kim, J., Min, H. G., & Kim, S. C. (2021). Effects of Inoculants Producing Antifungal and Carboxylesterase Activities on Corn Silage and Its Shelf Life against Mold Contamination at Feed-Out Phase. Microorganisms, 9(3), 558. https://doi.org/10.3390/microorganisms9030558

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