Full Text Journal Articles by
Author R Jeff Buhr

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Euthanasia: Manual versus Mechanical Cervical Dislocation for Broilers.

Leonie Jacobs, Dianna V Bourassa, Caitlin E Harris, R Jeff Buhr,

The aim was to assess the onset of brain stem death for two euthanasia methods-manual cervical dislocation (CD) versus the Koechner Euthanizing Device (KED). Over three days broilers of 36 (n = 60), 42 (n = 80), or 43 days old (n = 60) were euthanized. On days 2 and ... Read more >>

(Animals : an open access journal from MDPI)
[2019, 9(2):]

Cited: 3 times

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Neutralization of Bactericidal Activity Related to Antimicrobial Carryover in Broiler Carcass Rinse Samples.

Gary R Gamble, Mark E Berrang, R Jeff Buhr, Arthur Hinton, Dianna V Bourassa, Kimberly D Ingram, Eric S Adams, Peggy W Feldner, John J Johnston,

Studies were conducted to examine the ability of three chemicals to neutralize residual antibacterial activity of commercial antimicrobial chemicals used in poultry processing. Chemical antimicrobial interventions used in poultry processing may have potential for carryover into whole poultry carcass buffered peptone water (BPW) rinses collected for monitoring Salmonella contamination. Such ... Read more >>

J. Food Prot. (Journal of food protection)
[2017, 80(4):685-691]

Cited: 3 times

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Effect of Simulated Sanitizer Carryover on Recovery of Salmonella from Broiler Carcass Rinsates.

Gary R Gamble, Mark E Berrang, R Jeff Buhr, Arthur Hinton, Dianna V Bourassa, John J Johnston, Kimberly D Ingram, Eric S Adams, Peggy W Feldner,

Numerous antimicrobial chemicals are currently utilized as processing aids with the aim of reducing pathogenic bacteria on processed poultry carcasses. Carryover of active sanitizer to a carcass rinse solution intended for recovery of viable pathogenic bacteria by regulatory agencies may cause false-negative results. This study was conducted to document the ... Read more >>

J. Food Prot. (Journal of food protection)
[2016, 79(5):710-714]

Cited: 5 times

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Successional changes in the chicken cecal microbiome during 42 days of growth are independent of organic acid feed additives.

Brian B Oakley, R Jeff Buhr, Casey W Ritz, Brian H Kiepper, Mark E Berrang, Bruce S Seal, Nelson A Cox,

Poultry remains a major source of foodborne bacterial infections. A variety of additives with presumed anti-microbial and/or growth-promoting effects are commonly added to poultry feed during commercial grow-out, yet the effects of these additives on the gastrointestinal microbial community (the GI microbiome) as the bird matures remain largely unknown. Here ... Read more >>

BMC Vet. Res. (BMC veterinary research)
[2014, 10:282]

Cited: 33 times

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Effects of broiler carcass scalding and chilling methods on quality of early-deboned breast fillets.

Hong Zhuang, Brian C Bowker, R Jeff Buhr, Dianna V Bourassa, Brian H Kiepper,

The impact of scalding and chilling methods on quality of broiler breast fillets (pectoralis major) was evaluated. In 4 replications, 6- to 7-wk-old male and female broilers were slaughtered and scalded either at 60°C for 1.5 min (hard scalding) or 52.8°C for 3 min (soft scalding). Following evisceration, the carcasses ... Read more >>

Poult. Sci. (Poultry science)
[2013, 92(5):1393-1399]

Cited: 2 times

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Pyrosequencing-based validation of a simple cell-suspension polymerase chain reaction assay for Campylobacter with application of high-processivity polymerase and novel internal amplification controls for rapid and specific detection.

Brian B Oakley, J Eric Line, Mark E Berrang, Jessica M Johnson, R Jeff Buhr, Nelson A Cox, Kelli L Hiett, Bruce S Seal,

Although Campylobacter is an important food-borne human pathogen, there remains a lack of molecular diagnostic assays that are simple to use, cost-effective, and provide rapid results in research, clinical, or regulatory laboratories. Of the numerous Campylobacter assays that do exist, to our knowledge none has been empirically tested for specificity ... Read more >>

Diagn. Microbiol. Infect. Dis. (Diagnostic microbiology and infectious disease)
[2012, 72(2):131-138]

Cited: 5 times

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Genotype analyses of Campylobacter isolated from the gastrointestinal tracts and the reproductive tracts of broiler breeder roosters.

Kelli L Hiett, Gregory R Siragusa, Nelson A Cox, R Jeff Buhr, Michael T Musgrove, Norman J Stern, Jeanna L Wilson,

Campylobacter is considered to be the leading bacterial etiologic agent of acute gastroenteritis in humans. Evidence implicates poultry as a major source of the organism for human illness; however, the pathways involved in Campylobacter contamination of poultry flocks, horizontal transmission and/or vertical transmission, remain unclear. Recent evidence implicates breeders as ... Read more >>

Avian Dis. (Avian diseases)
[2003, 47(2):406-414]

Cited: 5 times

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Genotype analyses of Campylobacter isolated from distinct segments of the reproductive tracts of broiler breeder hens.

Kelli L Hiett, Nelson A Cox, R Jeff Buhr, Norman J Stern,

Campylobacter isolated from feces and from the oviduct of six broiler breeder hens were genotyped by using flaA SVR DNA sequence analyses. A diversity of genotypes was observed among fecal and oviduct isolates. Comparison of isolates from the oviducts of individual hens revealed variable results. In three cases (hen 2, ... Read more >>

Curr. Microbiol. (Current microbiology)
[2002, 45(6):400-404]

Cited: 15 times

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