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Asian-Australas J Anim Sci > Accepted Articles
DOI: https://doi.org/10.5713/ajas.19.0267    [Accepted] Published online October 22, 2019.
Differences in microbiome and virome between cattle and horses in the same farm
Jongbin Park1  , Eun Bae Kim1,2,* 
1Department of Animal Life Science, College of Animal Life Science, Kangwon National University, Chuncheon, Korea
2Department of Applied Animal Science, College of Animal Life Science, Kangwon National University, Chuncheon, Korea
Correspondence:  Eun Bae Kim, Tel: +82-33-250-8642, Fax: +82-33-259-5574, Email: itanimal@kangwon.ac.kr
Received: 1 April 2019   • Revised: 26 July 2019   • Accepted: 28 August 2019
The ecosystem of an animal farm is composed of various elements, such as animals, farmers, plants, feed, soil, and microorganisms. A domesticated animal’s health is largely connected with the reservoir of bacteria and viruses in animal farms. Although a few studies have focused on exploring the gut microbiome of animals, communities of microbiota and viruses in feedlots have not been thoroughly investigated.
Here, we collected feces and dust samples (4 groups. Cattle feces; C_F, Horse feces; H_F, Cattle dust; C_D, and Horse dust; H_D) from cattle and horse farms sharing the same housing and investigated their microbiome/virome communities by Illumina sequencing.
Dust groups (C_D and H_D) showed higher microbial diversity than feces groups (C_F and H_F) regardless of animal species. From the microbial community analysis, all the samples from the four groups have major phyla such as Proteobacteria (min 37.1% - max 42.8%), Firmicutes (19.1% - 24.9%), Bacteroidetes (10.6% - 22.1%), and Actinobacteria (6.1% - 20.5%). The abundance of Streptococcus, which commonly recognized as equine pathogens, was significantly higher in the horse group (H_D and H_F). Over 99% among the classified virome reads were classified as Caudovirales, a group of tailed bacteriophages, in all four groups. Foot-and-mouth disease (FMD) virus and equine adenovirus, which cause deadly diseases in cattle and horse, respectively, were not detected.
Our results will provide baseline information to understand different gut and environmental microbial ecology between two livestock species.
Keywords: Horse; Cattle; Virome; Microbiome; Environment
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