Research Projects Database Search | National Agricultural Library

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National Agricultural Library

U.S. Department of Agriculture

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Displaying projects 1 - 25 of 227

Ecology and Transfer of Antimicrobial Resistant Bacteria and Genes in the Feed-yard and Land-application Environment When Cattle are Fed Different Antibiotics

Funding Source

Nat'l. Cattlemen's Beef Assoc.

Start date

2017

End date

2017
Proposal to quantitatively evaluate the antimicrobial food safety risks associated with the use of Tylosin for reduction of liver abscesses in fed cattle

Funding Source

Nat'l. Cattlemen's Beef Assoc.

Start date

2016

End date

2016
Prevalence, quantity and antibiotic resistance profiles of Salmonella enterica late in the feeding period and at slaughter in response to antibiotic use early in the cattle feeding period – Part 2

Funding Source

Nat'l. Cattlemen's Beef Assoc.

Start date

2016

End date

2016
The use of a yeast fermentation product or an essential oil as an alternative to Tylosin in the diets of finishing cattle

Investigators

Morley, Paul; Martin, J; Belk, Keith

Funding Source

Nat'l. Cattlemen's Beef Assoc.

Start date

2016

End date

2016
Collaborator ll - Investigation into the origin of Salmonella in the peripheral lymph nodes of fed beef cattle at slaughter in the Southwestern United States

Investigators

Bugarel, M; Loneragen, G.H.; den Baker, H

Funding Source

Nat'l. Cattlemen's Beef Assoc.

Start date

2016

End date

2017
Collaborator l - Investigation into the origin of Salmonella in the peripheral lymph nodes of fed beef cattle at slaughter in the Southwestern United States

Funding Source

Nat'l. Cattlemen's Beef Assoc.

Start date

2016

End date

2016
Identifying alternatives to antibiotics

Funding Source

Nat'l. Cattlemen's Beef Assoc.

Start date

2016

End date

2016
Quantitative Evaluation of the Antimicrobial Food Safety Risks Associated with the use of Tylosin for Reduction of Liver Abscesses in Fed Cattle

Investigators

Hruska, Roman

Funding Source

Nat'l. Cattlemen's Beef Assoc.

Start date

2015

End date

2016
Prevalence, Quantity and Antibiotic Resistance Profiles of Salmonella enterica at Slaughter in Response to Antibiotic use Early in the Cattle Feeding Period

Investigators

Loneragan, Guy; Scott, H. Morgan; Ives, S; Lawhon, S; Loneragan, Guy

Funding Source

Nat'l. Cattlemen's Beef Assoc.

Start date

2015

End date

2016
Method Development to Enable Surveillance of Rare Resistance Phenotypes of Public-Health Concern

Investigators

Bugarel, M; den Baker, H; Loneragan, Guy; Nightingale, Kendra; Webb, H

Funding Source

Nat'l. Cattlemen's Beef Assoc.

Start date

2015

End date

2016
Effects of Cattle Feeding Location and use of Tylosin on Expression of Antimicrobial Resistance (AMR) and Liver Abscesses

Investigators

Apley, M; Belk, Keith; Boucher, C; Carlson, C; Delmore, R; Geornaras, Ifigenia; Jones, K; Loneragan, M; Martin, J; Morley, Paul; Woerner, Dale; Yang, Hua

Funding Source

Nat'l. Cattlemen's Beef Assoc.

Start date

2015

End date

2016
Evaluating the Role of Horn Flies in the Transdermal Transmission of Salmonella to Cattle

Investigators

Loneragen, G.H.; Edrington, Thomas; Lohmeyer, K. H.; Olafson, Pia

Funding Source

Nat'l. Cattlemen's Beef Assoc.

Start date

2014

End date

2015
Effects of Chlortetracycline and Ceftiofur Treatment on Prevalence, Quantity and Antimicrobial Resistance of Salmonella in Feedlot Cattle

Investigators

Scott, H. Morgan; Norman, K.N.

Funding Source

Nat'l. Cattlemen's Beef Assoc.

Start date

2014

End date

2015
Evaluation of and Factors that Influence the Site and Extent of Salmonella in Extra Intestinal Tissue of Cattle

Investigators

Edrington, Thomas; Nightingale, Kendra; Loneragen, G.H.; den Baker, H; Bugarel, M

Funding Source

Nat'l. Cattlemen's Beef Assoc.

Start date

2014

End date

2015
Characterization and Evaluation of Bacteriophages for the Control of Salmonella in the Beef Feedlot Environment

Investigators

Gehring, K. R.; Gill, J. J.; Taylor, T. Matthew

Funding Source

Nat'l. Cattlemen's Beef Assoc.

Start date

2014

End date

2015
Use of Bovine specific Peptide Arrays for Kinome Analysis to Advance Understanding of Salmonella in the Peripheral Lymph Nodes

Investigators

Edrington, Thomas; Brown, Robert; Arsenault, R. J.

Funding Source

Nat'l. Cattlemen's Beef Assoc.

Start date

2014

End date

2015
Examination of the Potential Transmission of Salmonella from House Flies to the Peripheral Lymph Nodes of Cattle via the Mucous Membranes

Investigators

Loneragan, Guy; Crippen, Tawni; Edrington, Thomas (Tom) S.

Funding Source

Nat'l. Cattlemen's Beef Assoc.

Start date

2014

End date

2015
Use of Shotgun Metagenomic NGS Combined with a Previously developed Bioinformatics Pipeline vs. Traditional Culture/Screening Diagnostics to Evaluate Ecology of AMR and Diagnose Salmonella
spp. in Cattle Feces Before and After Cetiiofur Metaphylaxis

Investigators

Noyes, Noelle; Morley, Paul; Jones, K; Boucher, C; Belk, Keith

Funding Source

Nat'l. Cattlemen's Beef Assoc.

Start date

2014

End date

2015
Examination of the Impact of Pre-harvest Events and Practices on Salmonella Contamination of Peripheral Lymph Nodes

Investigators

Arthur, Terrance; Harhay, Dayna

Funding Source

Nat'l. Cattlemen's Beef Assoc.

Start date

2014

End date

2015
Determination of Salmonella Lymph Node Contamination of Colonized and Naïve Cattle Post-Comingling, during the Summer in a Salmonella endemic Feedlot

Investigators

Harhay, D; Arthur, Terrance

Funding Source

Nat'l. Cattlemen's Beef Assoc.

Start date

2014

End date

2015
Prevalence of E. coli O157:H7 on Hides and in Feces of Feedlot Cattle over Time

Investigators

Arthur, Terrance; Koohmaraie, Mohammad

Funding Source

Nat'l. Cattlemen's Beef Assoc.

Start date

2004

End date

2005
Isolation and Use of Bacteriophage to Reduce Escherichia coli O157:H7 in Ruminants

Investigators

Calaway, Todd

Funding Source

Nat'l. Cattlemen's Beef Assoc.

Start date

2004

End date

2005
Determination of a Sodium Chlorate Dose that Results in Safe Concentrations of Tissue Residues in Beef Cattle

Investigators

Smith, David

Funding Source

Nat'l. Cattlemen's Beef Assoc.

Start date

2004

End date

2005
Prevalence of Mycobacterium Avium Paratuberculosis in Lymph Nodes & on Hides & Carcasses from Cull Cow & Fed Cattle Slaughter Plants

Investigators

Wheeler, Tommy Lee; Wells, James; Shackelford, Steven; Koohmaraie, Mohammad; Kalchayanand, Norasak; Guerini, Michael; Brichta, Dayna; Bosilevac, Joseph; Arthur, Terrance

Funding Source

Beef Checkoff

Start date

2006

End date

2007
Effects of Pond Ash as a Feedlot Pen Surface and Animal Stress-level on the Prevalence, Levels, and Persistence of E. coli O157:H7 and Salmonella spp. In Feces, on Hides, and in Manure of Feedlot Cattle

Investigators

Woodbury, Bryan; Wheeler, Tommy Lee; Wells, James; Nienaber, John (Jack); Eigenberg, Roger; Brown-Brandl, Tami; Berry, Elaine; Arthur, Terrance

Funding Source

Nat'l. Cattlemen's Beef Assoc.

Start date

2006

End date

2007