ORCID Profile
0000-0001-5306-3732
Current Organisation
Agriculture and Agri-Food Canada
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Publisher: Frontiers Media SA
Date: 02-07-2018
Publisher: Frontiers Media SA
Date: 10-07-2019
Publisher: Springer Science and Business Media LLC
Date: 25-03-2021
Publisher: MDPI AG
Date: 02-12-2022
DOI: 10.3390/FERMENTATION8120699
Abstract: This study evaluated the fermentation quality, nutritive profile, in vitro fermentation, and microbial communities colonising sorghum ensiled with an unsalable vegetable mixture (chopped beans, carrot, and onion (1:1:1) ) including: (1)−100% sorghum (2)−80% sorghum + 20% vegetable mix or (3)−60% sorghum + 40% vegetable mix, on a dry matter (DM) basis, with or without a probiotic inoculant. S les were obtained across 0, 1, 3, 5,7, and 101 days ensiling and after 14 d aerobic exposure. The V4 region of the 16S rRNA gene and the ITS1 region were sequenced to profile bacterial, archaeal, and fungal communities. Compared to the 0% DM, ethanol increased (p 0.01) from 8.42 to 20.4 ± 1.32 mM with 40% DM vegetable mix inclusion, while lactate decreased from 5.93 to 2.24 ± 0.26 mM. Linear discriminant analysis revealed that relative abundances of 12 bacterial taxa were influenced by silage treatments (log LDA score ≥ 4.02 p ≤ 0.03), while predicted functional pathways of alternative carbohydrate metabolism (hexitol, sulfoquinovose and glycerol degradation N-acetyl glucosamine biosynthesis log LDA score ≥ 2.04 p ≤ 0.02) were similarly enriched. This study indicated that carbohydrate metabolism by heterofermentative lactic acid bacteria can increase the feed value of sorghum when ensiled with an unsalable vegetable mixture at 40%DM, without requiring a high quantity of lactate.
Publisher: Oxford University Press (OUP)
Date: 12-2018
Publisher: Elsevier BV
Date: 10-2022
Publisher: Frontiers Media SA
Date: 15-11-2019
Publisher: Springer Science and Business Media LLC
Date: 12-09-2019
DOI: 10.1038/S41598-019-49608-W
Abstract: Incorporation of carrot or pumpkin at 0, 20 or 40% dry matter (DM-basis) with crop maize, with or without a silage inoculant was evaluated after 70 days ensiling for microbial community ersity, nutrient composition, and aerobic stability. Inclusion of carrots or pumpkin had a strong effect on the silage bacterial community structure but not the fungal community. Bacterial microbial richness was also reduced (P = 0.01) by increasing vegetable proportion. Inverse Simpson’s ersity increased (P = 0.04) by 18.3% with carrot maize silage as opposed to pumpkin maize silage at 20 or 40% DM. After 70 d ensiling, silage bacterial microbiota was dominated by Lactobacillus spp. and the fungal microbiota by Candida tropicalis, Kazachstania humilis and Fusarium denticulatum . After 14 d aerobic exposure, fungal ersity was not influenced (P ≥ 0.13) by vegetable type or proportion of inclusion in the silage. Inoculation of vegetable silage lowered silage surface temperatures on day-7 (P = 0.03) and day-14 (P ≤ 0.01) of aerobic stability analysis. Our findings suggest that ensiling unsalable vegetables with crop maize can successfully replace forage at 20 or 40% DM to produce a high-quality livestock feed.
Publisher: Springer Science and Business Media LLC
Date: 10-09-2020
Publisher: Frontiers Media SA
Date: 26-07-2018
Publisher: Frontiers Media SA
Date: 20-04-2017
Publisher: Frontiers Media SA
Date: 02-11-2020
Publisher: Oxford University Press (OUP)
Date: 12-2018
Publisher: MDPI
Date: 03-03-2020
Publisher: Frontiers Media SA
Date: 28-06-2017
Location: United States of America
Location: Canada
No related grants have been discovered for Devin Holman.