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List of works by Tiruvoor G. Nagaraja

484 Exploratory observational quantification of liver abscess incidence, specific to region and cattle type, and their associations to viscera value and bacterial flora

scientific article published on 7 December 2018

A Comparison of Culture- and PCR-Based Methods to Detect Six Major Non-O157 Serogroups of Shiga Toxin-Producing Escherichia coli in Cattle Feces

scientific article published on 13 August 2015

A Randomized Trial to Assess the Effect of Fluoroquinolone Metaphylaxis on the Fecal Prevalence and Quinolone Susceptibilities of Salmonella and Campylobacter in Feedlot Cattle

scientific article

A multiplex PCR procedure for the detection of six major virulence genes in Escherichia coli O157:H7.

scientific article

Acidosis in feedlot cattle

scientific article published on July 2007

Adhesion of Fusobacterium necrophorum to bovine endothelial cells is mediated by outer membrane proteins

scientific article

Ammonia Toxicity in Cattle. V. Ammonia Concentration of Lymph and Portal, Carotid and Jugular Blood after the Ingestion of Urea ⬇️

scientific article published on 01 August 1981

Analysis of virulence potential of Escherichia coli O145 isolated from cattle feces and hide samples based on whole genome sequencing

scientific article published on 27 November 2019

Animal- and truckload-level associations between Escherichia coli O157:H7 in feces and on hides at harvest and contamination of preevisceration beef carcasses

scientific article published on 01 June 2010

Antimicrobial resistance of Enterococcus faecium strains isolated from commercial probiotic products used in cattle and swine.

scientific article published in April 2018

Antimicrobial susceptibility of foodborne pathogens in organic or natural production systems: an overview

scientific article published on December 2008

Applicability of a multiplex PCR to detect O26, O45, O103, O111, O121, O145, and O157 serogroups of Escherichia coli in cattle feces.

scientific article published on 28 November 2011

Associations between the presence and magnitude of Escherichia coli O157 in feces at harvest and contamination of preintervention beef carcasses

scientific article published on 01 September 2008

Austro-Asiatic tribes of Northeast India provide hitherto missing genetic link between South and Southeast Asia

scientific article published in 2007

Bacterial flora of liver abscesses in crossbred beef cattle and Holstein steers fed finishing diets with or without tylosin

scientific article

Bacterial flora of liver abscesses in feedlot cattle fed tylosin or no tylosin

scientific article published on 01 April 1999

Bayesian estimation of sensitivity and specificity of culture- and PCR-based methods for the detection of six major non-O157 Escherichia coli serogroups in cattle feces

scientific article published on 28 October 2018

Bayesian estimation of true prevalence, sensitivity and specificity of three diagnostic tests for detection of Escherichia coli O157 in cattle feces.

scientific article published on 9 October 2017

Biochemical and biological characterization of ruminal Fusobacterium necrophorum

scientific article published on 01 July 1994

Board-invited review: Rumen microbiology: leading the way in microbial ecology.

scientific article published on January 2013

Campylobacter Prevalence and Quinolone Susceptibility in Feces of Preharvest Feedlot Cattle Exposed to Enrofloxacin for the Treatment of Bovine Respiratory Disease.

scientific article

Characterization of Fusobacterium isolates from the respiratory tract of white-tailed deer (Odocoileus virginianus).

scientific article published on 3 March 2014

Characterization of ruminal dynamics in Holstein dairy cows during the periparturient period ⬇️

scientific article published on November 22, 2010

Chemical Characteristics of Rumen Bacterial Endotoxin ⬇️

scientific article published on 01 May 1979

Cloning, sequencing, and expression of the leukotoxin gene from Fusobacterium necrophorum

scientific article

Comparative genomics reveals differences in mobile virulence genes of Escherichia coli O103 pathotypes of bovine fecal origin

scientific article published in February 2018

Comparing real-time and conventional PCR to culture-based methods for detecting and quantifying Escherichia coli O157 in cattle feces

scientific article published in February 2014

Comparison of rectoanal mucosal swab cultures and fecal cultures for determining prevalence of Escherichia coli O157:H7 in feedlot cattle

scientific article published on October 2005

Comparison of soybean meal/sorghum grain, alfalfa hay and dehydrated alfalfa pellets as supplemental protein sources for beef cattle consuming dormant tallgrass-prairie forage

scientific article published on 01 September 1990

Competitive exclusion Escherichia coli cultures on E. coli O157 growth in batch culture ruminal or fecal microbial fermentation

scientific article

DNA Microarray-Based Genomic Characterization of the Pathotypes of Escherichia coli O26, O45, O103, O111, and O145 Isolated from Feces of Feedlot Cattle †

scientific article published on 01 March 2019

DNA microarray-based assessment of virulence potential of Shiga toxin gene-carrying Escherichia coli O104:H7 isolated from feedlot cattle feces.

scientific article published on 30 April 2018

Detection and Quantification of Seven Major Serogroups of Shiga Toxin-Producing Escherichia coli on Hides of Cull Dairy, Cull Beef, and Fed Beef Cattle at Slaughter†

scientific article published on 01 August 2018

Detection of Escherichia coli O104 in the feces of feedlot cattle by a multiplex PCR assay designed to target major genetic traits of the virulent hybrid strain responsible for the 2011 German outbreak

scientific article published on 29 March 2013

Diagnostic microarray for human and animal bacterial diseases and their virulence and antimicrobial resistance genes

scientific article published on 24 December 2009

Dietary interactions and interventions affecting Escherichia coli O157 colonization and shedding in cattle

scientific article published on September 2009

Dietary monensin level, supplemental urea, and ractopamine on fecal shedding of Escherichia coli O157:H7 in feedlot cattle1 ⬇️

scientific article published on April 21, 2011

Digestibility of prairie hay diets supplemented with different levels of magnesium-mica by beef heifers

scientific article published on 01 March 2000

Disinfectant and antibiotic susceptibility profiles of Escherichia coli O157:H7 strains from cattle carcasses, feces, and hides and ground beef from the United States

scientific article published in January 2013

Draft Genome Sequences of Enterohemorrhagic Escherichia coli O103:H2 Strains Isolated from Feces of Feedlot Cattle

scientific article

Draft Genome Sequences of Enteropathogenic Escherichia coli O103 Strains Isolated from Feces of Feedlot Cattle

scientific article

Draft Genome Sequences of Escherichia coli O104 Strains of Bovine and Human Origin

scientific article published on 17 August 2017

Effect of antibiotics in milk replacer on fecal shedding of Escherichia coli O157:H7 in calves

scientific article

Effect of forage or grain diets with or without monensin on ruminal persistence and fecal Escherichia coli O157:H7 in cattle

scientific article published on September 2004

Effect of increasing proportion of supplemental nitrogen from urea on intake and utilization of low-quality, tallgrass-prairie forage by beef steers

scientific article published on 01 May 1997

Effect of lasalocid, monensin or thiopeptin on lactic acidosis in cattle

scientific article published on 01 March 1982

Effect of virginiamycin on ruminal fermentation in cattle during adaptation to a high concentrate diet and during an induced acidosis

scientific article published on 01 August 1999

Effects of Menthol Supplementation in Feedlot Cattle Diets on the Fecal Prevalence of Antimicrobial-Resistant Escherichia coli

scientific article

Effects of chlortetracycline and copper supplementation on antimicrobial resistance of fecal Escherichia coli from weaned pigs.

scientific article

Effects of dietary copper, zinc, and ractopamine hydrochloride on finishing pig growth performance, carcass characteristics, and antimicrobial susceptibility of enteric bacteria.

scientific article

Effects of different supplemental sugars and starch fed in combination with degradable intake protein on low-quality forage use by beef steers

scientific article published on 01 October 1999

Effects of feeding dried distillers grains with supplemental starch on fecal shedding of Escherichia coli O157:H7 in experimentally inoculated steers

scientific article published on 24 January 2013

Effects of feeding elevated concentrations of copper and zinc on the antimicrobial susceptibilities of fecal bacteria in feedlot cattle.

scientific article

Effects of feeding wet corn distillers grains with solubles with or without monensin and tylosin on the prevalence and antimicrobial susceptibilities of fecal foodborne pathogenic and commensal bacteria in feedlot cattle

scientific article

Effects of high condensed-tannin substrate, prior dietary tannin exposure, antimicrobial inclusion, and animal species on fermentation parameters following a 48-h in vitro incubation.

scientific article published on 22 January 2018

Effects of in-feed copper and tylosin supplementations on copper and antimicrobial resistance in faecal enterococci of feedlot cattle

scientific article published on 08 April 2015

Effects of lasalocid or monensin on legume or grain (feedlot) bloat

scientific article published on 01 June 1983

Effects of level and source of carbohydrate and level of degradable intake protein on intake and digestion of low-quality tallgrass-prairie hay by beef steers

scientific article published on 01 October 1999

Effects of limonene on ruminal concentrations, fermentation, and lysine degradation in cattle

scientific article

Effects of mucin and its carbohydrate constituents on Escherichia coli O157 growth in batch culture fermentations with ruminal or fecal microbial inoculum

scientific article published on 21 November 2008

Effects of supplemental tallow on rumen ciliated protozoa in feedlot cattle

scientific article published on 01 February 1991

Effects of yeast-based pre- and probiotics in lactation diets of sows on litter performance and antimicrobial resistance of fecal <i>Escherichia coli</i> of sows

scientific article published in 2022

Efficacy of Escherichia coli O157:H7 siderophore receptor/porin proteins-based vaccine in feedlot cattle naturally shedding E. coli O157.

scientific article

Efficacy of a vaccine and a direct-fed microbial against fecal shedding of Escherichia coli O157:H7 in a randomized pen-level field trial of commercial feedlot cattle ⬇️

scientific article published on June 13, 2012

Escherichia coli O104 in Feedlot Cattle Feces: Prevalence, Isolation and Characterization.

scientific article

Escherichia coli O157 in the rectoanal mucosal region of cattle.

scientific article published in February 2008

Estimating blood-brain barrier opening in a rat model of hemorrhagic transformation with Patlak plots of Gd-DTPA contrast-enhanced MRI.

scientific article

Evaluation of culture methods to identify bovine feces with high concentrations of Escherichia coli O157.

scientific article published on 15 June 2007

Evaluation of feeding dried distiller's grains with solubles and dry-rolled corn on the fecal prevalence of Escherichia coli O157:H7 and Salmonella spp. in cattle

scientific article published in March 2009

Evaluation of the effects of a commercially available Salmonella Newport siderophore receptor and porin protein vaccine on fecal shedding of Salmonella bacteria and health and performance of feedlot cattle ⬇️

scientific article published on February 1, 2011

Evidence of non-O157 Shiga toxin-producing Escherichia coli in the feces of meat goats at a U.S. slaughter plant.

scientific article published in September 2013

Fecal shedding of non-O157 serogroups of Shiga toxin-producing Escherichia coli in feedlot cattle vaccinated with an Escherichia coli O157:H7 SRP vaccine or fed a Lactobacillus-based direct-fed microbial.

scientific article

Feeding supplemental dried distiller's grains increases faecal shedding of Escherichia coli O157 in experimentally inoculated calves.

scientific article

Feeding wet distillers grains plus solubles with and without a direct-fed microbial to determine performance, carcass characteristics, and fecal shedding of O157:H7 in feedlot heifers

scientific article published on 01 January 2016

First Report of Anaerobic Isolation of Salmonella enterica from Liver Abscesses of Feedlot Cattle.

scientific article published on 17 June 2015

Free amino acid supplementation to steers: effects on ruminal fermentation and performance

scientific article published on 01 April 1997

Fusobacterium equinum possesses a leukotoxin gene and exhibits leukotoxin activity

scientific article published on 24 August 2007

Fusobacterium necrophorum infections: Virulence factors, pathogenic mechanism and control measures

scientific article (publication date: 1996)

Fusobacterium necrophorum leukotoxin induces activation and apoptosis of bovine leukocytes

scientific article published on August 2002

Fusobacterium necrophorum: a ruminal bacterium that invades liver to cause abscesses in cattle

scientific article published on 24 May 2008

Genetic Analysis of Virulence Potential of Escherichia coli O104 Serotypes Isolated From Cattle Feces Using Whole Genome Sequencing

scientific article published in March 2018

Genetic Variations in Shiga Toxin‐Producing Abilities of Bovine and Human Escherichia coli O157:H7 ⬇️

scientific article published on August 31, 2010

Genetic relatedness of Escherichia coli O157 isolates from cattle feces and preintervention beef carcasses.

scientific article

Genome Sequences of 64 Non-O157:H7 Shiga Toxin-Producing Escherichia coli Strains.

scientific article published on October 2015

Gram-Negative Anaerobes

Human Fusobacterium necrophorum strains have a leukotoxin gene and exhibit leukotoxic activity

scientific article published in February 2008

Identification and partial characterization of an Actinomyces pyogenes hemolysin

scientific article published on 01 May 1996

Identification of an outer membrane protein of Fusobacterium necrophorum subsp. necrophorum that binds with high affinity to bovine endothelial cells

scientific article

Immunogenicity and protective effects of truncated recombinant leukotoxin proteins of Fusobacterium necrophorum in mice ⬇️

scientific article published on June 10, 2003

Impact of dexamethasone-induced immunosuppression on the duration and level of shedding of Escherichia coli O157:H7 in calves

scientific article

Impact of persistent bovine viral diarrhea viral infection on the duration and level of shedding of Escherichia coli O157 in calves

scientific article published on June 2008

In vitro degradation of lysine by ruminal fluid-based fermentations and by Fusobacterium necrophorum.

scientific article published on 8 November 2012

In vitro lactic acid inhibition and alterations in volatile fatty acid production by antimicrobial feed additives

scientific article published on 01 October 1987

Inclusion of Dried or Wet Distillers' Grains at Different Levels in Diets of Feedlot Cattle Affects Fecal Shedding of Escherichia coli O157:H7 ⬇️

scientific article published on September 3, 2010

Influence of CO2 and Temperature on Metabolism and Development of Helicoverpa armigera (Noctuidae: Lepidoptera).

scientific article

Influence of yeast-based pre- and probiotics in lactation and nursery diets on nursery pig performance and antimicrobial resistance of fecal <i>Escherichia coli</i>

scientific article published in 2022

Leukotoxic activity of Fusobacterium necrophorum of cattle origin

scientific article published on 13 February 2019

Leukotoxin operon and differential expressions of the leukotoxin gene in bovine Fusobacterium necrophorum subspecies

scientific article published on 04 October 2007

Leukotoxins of gram-negative bacteria

scientific article

Liver abscesses in cattle: A review of incidence in Holsteins and of bacteriology and vaccine approaches to control in feedlot cattle.

scientific article published on April 2016

Liver abscesses in feedlot cattle

scientific article published on July 2007

Longitudinal emergence and distribution of Escherichia coli O157 genotypes in a beef feedlot.

scientific article

Multiplex Quantitative PCR Assays for the Detection and Quantification of the Six Major Non-O157 Escherichia coli Serogroups in Cattle Feces

scientific article published on January 2016

Niche marketing production practices for beef cattle in the United States and prevalence of foodborne pathogens

scientific article published on October 2008

Nutrition and disease

scientific article published on 01 July 1998

Occurrence of tcrB, a transferable copper resistance gene, in fecal enterococci of swine.

scientific article published in September 2010

Occurrence of the transferable copper resistance gene tcrB among fecal enterococci of U.S. feedlot cattle fed copper-supplemented diets

scientific article published on 10 May 2013

Pooling of Immunomagnetic Separation Beads Does Not Affect Detection Sensitivity of Six Major Serogroups of Shiga Toxin-Producing Escherichia coli in Cattle Feces.

scientific article published in January 2016

Prevalence and Persistence of Salmonella in Cohorts of Feedlot Cattle ⬇️

scientific article published on March 7, 2011

Prevalence of Escherichia coli O157 in cattle feeds in Midwestern feedlots

scientific article

Prevalence of Escherichia coli O157:H7 in gallbladders of beef cattle

scientific article published on 8 December 2006

Prevalence of Escherichia coli O157:H7 in gut contents of beef cattle at slaughter.

scientific article

Prevalence of Escherichia coli O157:H7 in organically and naturally raised beef cattle

scientific article published on 19 June 2009

Purification and quantification of Fusobacterium necrophorum leukotoxin by using monoclonal antibodies

scientific article published in November 1994

Rapid 5' nuclease (TaqMan) assay for detection of virulent strains of Yersinia enterocolitica

scientific article

Review: Are there indigenous Saccharomyces in the digestive tract of livestock animal species? Implications for health, nutrition and productivity traits

scientific article published on 15 July 2019

Rumen Microbial Population Dynamics during Adaptation to a High-Grain Diet ⬇️

scientific article published on September 17, 2010

Ruminal and host adaptations to changes in frequency of protein supplementation

scientific article published in March 2004

Ruminal changes in monensin- and lasalocid-fed cattle grazing bloat-provocative alfalfa pasture

scientific article published on 01 October 1986

Ruminal ciliated protozoa in cattle fed finishing diets with or without supplemental fat

scientific article published on 01 July 1990

Ruminal evacuation's effect on microbial activity and ruminal function

scientific article published on 01 March 1986

Ruminal microbial and fermentative changes associated with experimentally induced subacute acidosis in steers ⬇️

scientific article published on 01 January 1998

Ruminal microbial development in conventionally or early-weaned calves

scientific article published on 01 April 1987

Ruminal microbial populations and fermentation characteristics in bison and cattle fed high- and low-quality forage

scientific article published on 01 May 1989

Selection of fecal enterococci exhibiting tcrB-mediated copper resistance in pigs fed diets supplemented with copper.

scientific article

Sensitivity of direct plating for detection of high levels of E. coli O157:H7 in bovine fecal samples

scientific article published on 11 July 2007

Serum neutralizing antibodies against Fusobacterium necrophorum leukotoxin in cattle with experimentally induced or naturally developed hepatic abscesses

scientific article published on 01 February 1994

Shiga Toxin Subtypes of Non-O157 Escherichia coli Serogroups Isolated from Cattle Feces

scientific article published on 11 April 2017

Single-Cell-Based Digital PCR Detection and Association of Shiga Toxin-Producing Escherichia coli Serogroups and Major Virulence Genes

scientific article published on 24 February 2020

Spiral Plating Method To Quantify the Six Major Non-O157 Escherichia coli Serogroups in Cattle Feces

scientific article published on 17 April 2017

Steam-rolled wheat diets for finishing cattle: effects of dietary roughage and feed intake on finishing steer performance and ruminal metabolism

scientific article published on 01 July 1990

Supplemental fat and ionophores in finishing diets: feedlot performance and ruminal digesta kinetics in steers

scientific article published on 01 November 1993

The leukotoxin operon of Fusobacterium necrophorum is not present in other species of Fusobacterium

scientific article published on 08 December 2004

The serum neutralizing antibody response in cattle to Fusobacterium necrophorum leukotoxoid and possible protection against experimentally induced hepatic abscesses

scientific article published on 01 January 1996

The two major subspecies of Fusobacterium necrophorum have distinct leukotoxin operon promoter regions

scientific article published on 21 November 2005

Use of Direct-Fed Microbials as a Preharvest Food Safety Intervention in Cattle

Validation and Application of a Real-Time PCR Assay Based on the CRISPR Array for Serotype-Specific Detection and Quantification of Enterohemorrhagic Escherichia coli O157:H7 in Cattle Feces†

scientific article published on 01 July 2018

Virulence Gene Profiles and Clonal Relationships of Escherichia coli O26:H11 Isolates from Feedlot Cattle as Determined by Whole-Genome Sequencing

scientific article published on 22 April 2016

Whole genome shotgun sequencing revealed highly polymorphic genome regions and genes in Escherichia coli O157:H7 isolates collected from a single feedlot

scientific article published in PLoS ONE

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