Effects of Wormwood (Artemisia montana) Essential Oils on Digestibility, Fermentation Indices, and Microbial Diversity in the Rumen

This study investigated the effects of essential oil (EO) from three Korean wormwood (Artemisia Montana) plants on in vitro ruminal digestibility, fermentation, and microbial diversity. Dried (0.5 g) soybean meal (SBM) or bermudagrass hay (BGH) were incubated in buffered rumen fluid (40 mL) for 72 h...

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Bibliographic Details
Published in:Microorganisms (Basel) 2020-10, Vol.8 (10), p.1605
Main Authors: Lee, Seong Shin, Kim, Dong Hyeon, Paradhipta, Dimas Hand Vidya, Lee, Hyuk Jun, Yoon, Hee, Joo, Young Ho, Adesogan, Adegbola T., Kim, Sam Churl
Format: Article
Language:English
Subjects:
Additives
Antibiotics
Digestibility
Dry matter
essential oil
Essential oils
Experiments
Fatty acids
Feeds
Fermentation
in vitro rumen fermentation
Laboratories
Microorganisms
Oils & fats
Rumen
rumen microbe
Soybeans
wormwood
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Summary:This study investigated the effects of essential oil (EO) from three Korean wormwood (Artemisia Montana) plants on in vitro ruminal digestibility, fermentation, and microbial diversity. Dried (0.5 g) soybean meal (SBM) or bermudagrass hay (BGH) were incubated in buffered rumen fluid (40 mL) for 72 h with or without EO (5 mg/kg) from Ganghwa (GA), Injin (IN), or San (SA) wormwood (Experiment 1). Both SA and IN improved (p < 0.05) dry matter digestibility (DMD) of BGH, while GA reduced (p < 0.05) total short-chain fatty acid of BGH and SBM. Besides, SA increased (p < 0.05) numbers of Ruminococcus albus and Streptococcus bovis in SBM. Experiment 2 examined different doses (0, 0.1, 1, and 10 mg/kg) of SA, the most promising EO from Experiment 1. Applying SA at 10 mg/kg gave the highest DMD (L; p < 0.01) and neutral detergent fiber (Q; p < 0.05) digestibility for BGH. Applying SA at 1 mg/kg gave the highest R. albus population (Q; p < 0.05) in SBM. Therefore, SA was better than GA and IN at improving rumen fermentation, and the 0.1 to 1 and 10 mg/kg doses improved ruminal fermentation and in vitro digestibility of SBM and BGH, respectively.
ISSN:2076-2607
2076-2607
DOI:10.3390/microorganisms8101605