About: The nasopharyngeal microbiota of beef cattle before and after transport to a feedlot

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About: The nasopharyngeal microbiota of beef cattle before and after transport to a feedlot Goto Sponge NotDistinct Permalink

An Entity of Type : schema:ScholarlyArticle, within Data Space : covidontheweb.inria.fr associated with source document(s)

Attributes	Values
type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	The nasopharyngeal microbiota of beef cattle before and after transport to a feedlot
Creator	Amat, Samat Timsit, Edouard Abbott, D Alexander, Trevor Buret, Andre Holman, Devin
Source	PMC
abstract	BACKGROUND: The nasopharyngeal (NP) microbiota plays an important role in bovine health, comprising a rich and diverse microbial community. The nasopharynx is also the niche for potentially pathogenic agents which are associated with bovine respiratory disease (BRD), a serious and costly illness in feedlot cattle. We used 14 beef heifers from a closed and disease-free herd to assess the dynamics of the NP microbiota of cattle that are transported to a feedlot. Cattle were sampled prior to transport to the feedlot (day 0) and at days 2, 7, and 14. RESULTS: The structure of the NP microbiota changed significantly over the course of the study, with the largest shift occurring between day 0 (prior to transport) and day 2 (P < 0.001). Phylogenetic diversity and richness increased following feedlot placement (day 2; P < 0.05). The genera Pasteurella, Bacillus, and Proteus were enriched at day 0, Streptococcus and Acinetobacter at day 2, Bifidobacterium at day 7, and Mycoplasma at day 14. The functional potential of the NP microbiota was assessed using PICRUSt, revealing that replication and repair, as well as translation pathways, were more relatively abundant in day 14 samples. These differences were driven mostly by Mycoplasma. Although eight cattle were culture-positive for the BRD-associated bacterium Pasteurella multocida at one or more sampling times, none were culture-positive for Mannheimia haemolytica or Histophilus somni. CONCLUSIONS: This study investigated the effect that feedlot placement has on the NP microbiota of beef cattle over a 14-d period. Within two days of transport to the feedlot, the NP microbiota changed significantly, increasing in both phylogenetic diversity and richness. These results demonstrate that there is an abrupt shift in the NP microbiota of cattle after transportation to a feedlot. This may have importance for understanding why cattle are most susceptible to BRD after feedlot placement. ELECTRONIC SUPPLEMENTARY MATERIAL: The online version of this article (doi:10.1186/s12866-017-0978-6) contains supplementary material, which is available to authorized users.
has issue date	2017-03-22(xsd:dateTime)
bibo:doi	10.1186/s12866-017-0978-6
bibo:pmid	28330466
has license	cc-by
sha1sum (hex)	df6b70a2f62c9635377ece840d438d951d2558e5
schema:url	https://doi.org/10.1186/s12866-017-0978-6
resource representing a document's title	The nasopharyngeal microbiota of beef cattle before and after transport to a feedlot
has PubMed Central identifier	PMC5361731
has PubMed identifier	28330466
schema:publication	BMC Microbiol
resource representing a document's body	covid:df6b70a2f62c9635377ece840d438d951d2558e5#body_text
is schema:about of	named entity 'microbiota' named entity 'beef' named entity 'MICROBIOTA' named entity 'IMPORTANT' covid:arg/df6b70a2f62c9635377ece840d438d951d2558e5 named entity 'USED' named entity 'BACKGROUND' named entity 'BEEF CATTLE' named entity 'BOVINE RESPIRATORY DISEASE' named entity 'FEEDLOT CATTLE' named entity 'ILLNESS' named entity 'PRIOR TO' named entity 'CATTLE' named entity 'TRANSPORT' named entity 'CLOSED' named entity 'HEALTH' named entity 'NASOPHARYNX' named entity 'NASOPHARYNGEAL' named entity 'BEEF' named entity 'HERD' named entity 'DIVERSE' named entity 'NICHE' named entity 'ASSESS' named entity 'PATHOGENIC' named entity 'TO TRANSPORT' named entity 'SAMPLED' named entity 'BOVINE' named entity 'RICH' named entity 'ASSOCIATED WITH' named entity 'NASOPHARYNGEAL' named entity 'ROLE' named entity 'PLAYS' named entity 'DYNAMICS' named entity 'FEEDLOT' named entity 'MICROBIOTA' named entity 'DISEASE-FREE' named entity 'FEEDLOT' named entity 'DAYS' named entity 'health' named entity 'microbial community' named entity 'bovine respiratory disease' named entity 'bovine' named entity 'transport' named entity 'nasopharynx' named entity 'feedlot' named entity 'Cattle' named entity 'microbiota' named entity 'pathogenic agents' named entity 'feedlot' named entity 'beef cattle' named entity 'bacterial pathogens' named entity 'Mycoplasma' named entity 'BLASTn' named entity 'cattle' named entity 'microbiota' named entity 'dairy cattle' named entity 'gene' named entity 'Corsham' named entity 'feedlot' named entity 'Clostridium' named entity 'cattle' named entity 'contagious diseases' named entity 'Mycoplasma' named entity '2, 7' named entity 'methanogenic Archaea' named entity 'microbiota' named entity 'EDTA' named entity 'UniFrac' named entity 'microbiome' named entity 'cattle' named entity 'Ruminococcus' named entity 'nostril' named entity 'nasopharynx' named entity 'antimicrobial' named entity 'Shannon index' named entity 'cattle'

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