Characterization and application of lactic acid bacteria for tropical silage preparation

Animal Science Journal = Nihon Chikusan Gakkaihō
Suradej PholsenYimin Cai

Abstract

Strains TH 14, TH 21 and TH 64 were isolated from tropical silages, namely corn stover, sugar cane top and rice straw, respectively, prepared in Thailand. These strains were selected by low pH growth range and high lactic acid-producing ability, similar to some commercial inoculants. Based on the analysis of 16S ribosomal RNA gene sequence and DNA-DNA relatedness, strain TH 14 was identified as Lactobacillus casei, and strains TH 21 and TH 64 were identified as L. plantarum. Strains TH 14, TH 21, TH 64 and two commercial inoculants, CH (L. plantarum) and SN (L. rhamnosus), were used as additives to fresh and wilted purple Guinea and sorghum silages prepared using a small-scale fermentation method. The number of epiphytic lactic acid bacteria (LAB) in the forages before ensilage was relatively low but the numbers of coliform and aerobic bacteria were higher. Sorghum silages at 30 days of fermentation were all well preserved with low pH (3.56) and high lactic acid production (72.86 g/kg dry matter). Purple Guinea silage inoculated with LAB exhibited reduced count levels of aerobic and coliform bacteria, lower pH, butyric acid and ammonia nitrogen and increased lactic acid concentration, compared with the control. Strain TH 14 mor...Continue Reading

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Citations

Jul 22, 2017·Asian-Australasian Journal of Animal Sciences·Waroon KhotaYimin Cai
Jun 7, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Nursyafiqah A Mohamad ZabidiRaha Abdul Rahim
Apr 25, 2018·Journal of Dairy Science·T F BernardesY Cai
Aug 9, 2020·Journal of Animal Physiology and Animal Nutrition·Anusorn CherdthongWaroon Khota
Oct 23, 2020·Journal of Animal Science and Technology·Sarong SoMetha Wanapat

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