Richard Van Vleck Pereira

Title(s)Associate Professor, School of Veterinary Medicine
SchoolSchool of Veterinary Medicine
Address3005 VM3B
CA 95616
Phone530-752-2503
ORCID ORCID Icon0000-0003-2028-8761 Additional info
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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help. to make corrections and additions.
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    Altmetrics Details PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Antimicrobial resistance of Escherichia coli from dairy farms participating in an antimicrobial stewardship educational program for farm employees. J Dairy Sci. 2023 Oct 06. Garzon A, Portillo R, Habing G, Silva-Del-Rio N, Karle BM, Pereira RV. PMID: 37806634.
      View in: PubMed   Mentions:    Fields:    
    2. Antimicrobial stewardship on the dairy: Evaluating an on-farm framework for training farmworkers. J Dairy Sci. 2023 Jun; 106(6):4171-4183. Garzon A, Portillo R, Habing G, Silva-Del-Rio N, Karle BM, Pereira RV. PMID: 37028970.
      View in: PubMed   Mentions:    Fields:    Translation:HumansAnimals
    3. Cystic ovarian disease in dairy cattle: Diagnostic accuracy when using B-mode and color Doppler ultrasound. J Dairy Sci. 2023 May; 106(5):3411-3420. Turner ZB, Lima FS, Conley AJ, McNabb BR, Rowe JD, Garzon A, Urbano TM, Morris CM, Pereira RV. PMID: 36894418.
      View in: PubMed   Mentions:    Fields:    Translation:Animals
    4. Prevalence of antimicrobial resistance in fecal Escherichia coli and Enterococcus spp. isolates from beef cow-calf operations in northern California and associations with farm practices. Front Microbiol. 2023; 14:1086203. Morris C, Wickramasingha D, Abdelfattah EM, Pereira RV, Okello E, Maier G. PMID: 36910206; PMCID: PMC9996069.
      View in: PubMed   Mentions: 2  
    5. In vitro evaluation of the effect of transport medium, temperature, and time on the recovery of Mannheimia haemolytica and Pasteurella multocida. JDS Commun. 2023 May; 4(3):214-218. Garzon A, Hoyos-Jaramillo A, Hustad S, Byrne BA, Fritz HM, Lehenbauer TW, Aly S, Pereira R. PMID: 37360122; PMCID: PMC10285246.
      View in: PubMed   Mentions:
    6. Assessment of the knowledge and behavior of backyard and small-scale producers in California regarding disease prevention, biosecurity practices and antibiotics use. PLoS One. 2022; 17(11):e0277897. Lee K, Pereira RV, Martínez-López B, Busch RC, Pires AFA. PMID: 36409736.
      View in: PubMed   Mentions:    Fields:    Translation:HumansAnimals
    7. Comparison of florfenicol depletion in dairy goat milk using ultra-performance liquid chromatography with tandem mass spectrometry and a commercial on-farm test. Front Vet Sci. 2022; 9:991772. Richards ED, Pereira RV, Davis JL, Rowe JD, Clapham MO, Wetzlich SE, Rupchis BA, Tell LA. PMID: 36105005; PMCID: PMC9465015.
      View in: PubMed   Mentions: 1  
    8. Evaluation of antimicrobial resistance and risk factors for recovery of intrauterine Escherichia coli from cows with metritis on California commercial dairy farms. Sci Rep. 2022 08 17; 12(1):13937. Basbas C, Garzon A, Silva-Del-Rio N, Byrne BA, Karle B, Aly SS, Champagne JD, Williams DR, Lima FS, Machado VS, Pereira RV. PMID: 35978077; PMCID: PMC9386028.
      View in: PubMed   Mentions:    Fields:    Translation:HumansAnimalsCells
    9. Salmonella enterica Serovar Dublin from Cattle in California from 1993-2019: Antimicrobial Resistance Trends of Clinical Relevance. Antibiotics (Basel). 2022 Aug 17; 11(8). Fritz HM, Pereira RV, Toohey-Kurth K, Marshall E, Tucker J, Clothier KA. PMID: 36009979; PMCID: PMC9405026.
      View in: PubMed   Mentions: 2  
    10. Effect of Intramammary Dry Cow Antimicrobial Treatment on Fresh Cow's Milk Microbiota in California Commercial Dairies. Antibiotics (Basel). 2022 Jul 18; 11(7). Basbas C, Aly S, Okello E, Karle BM, Lehenbauer T, Williams D, Ganda E, Wiedmann M, Pereira RV. PMID: 35884217; PMCID: PMC9312063.
      View in: PubMed   Mentions: 1  
    11. Defining clinical diagnosis and treatment of puerperal metritis in dairy cows: A scoping review. J Dairy Sci. 2022 Apr; 105(4):3440-3452. Garzon A, Habing G, Lima F, Silva-Del-Rio N, Samah F, Pereira R. PMID: 35151476.
      View in: PubMed   Mentions:    Fields:    Translation:Animals
    12. Quantification of antibiotic resistance genes and mobile genetic in dairy manure. PeerJ. 2021; 9:e12408. Wang Y, Pandey P, Chiu C, Jeannotte R, Kuppu S, Zhang R, Pereira R, Weimer BC, Nitin N, Aly SS. PMID: 35036113; PMCID: PMC8710253.
      View in: PubMed   Mentions: 1     Fields:    
    13. Estimating the Rates of Acquisition and loss of Resistance of Enterobacteriaceae to Antimicrobial Drugs in Pre-Weaned Dairy Calves. Microorganisms. 2021 Oct 06; 9(10). Cella E, Okello E, Rossitto PV, Cenci-Goga BT, Grispoldi L, Williams DR, Sheedy DB, Pereira R, Karle BM, Lehenbauer TW, Aly SS. PMID: 34683424; PMCID: PMC8539406.
      View in: PubMed   Mentions: 1  
    14. Integration of statistical inferences and machine learning algorithms for prediction of metritis cure in dairy cows. J Dairy Sci. 2021 Dec; 104(12):12887-12899. de Oliveira EB, Ferreira FC, Galvão KN, Youn J, Tagkopoulos I, Silva-Del-Rio N, Pereira RVV, Machado VS, Lima FS. PMID: 34538497.
      View in: PubMed   Mentions: 1     Fields:    Translation:Animals
    15. Treatment practices after calving-related events on 45 dairy farms in California. J Dairy Sci. 2021 Nov; 104(11):12164-12172. Silva-Del-Río N, Valldecabres A, Espadamala A, García-Muñoz A, Pallares P, Lago A, Lima FS, Pereira RV. PMID: 34482983.
      View in: PubMed   Mentions: 1     Fields:    Translation:Animals
    16. Antibiotic Resistance Genes and Associated Phenotypes in Escherichia coli and Enterococcus from Cattle at Different Production Stages on a Dairy Farm in Central California. Antibiotics (Basel). 2021 Aug 26; 10(9). Jeamsripong S, Li X, Aly SS, Su Z, Pereira RV, Atwill ER. PMID: 34572624; PMCID: PMC8471271.
      View in: PubMed   Mentions: 6  
    17. Degradation of antibiotic resistance genes and mobile gene elements in dairy manure anerobic digestion. PLoS One. 2021; 16(8):e0254836. Wang Y, Pandey PK, Kuppu S, Pereira R, Aly S, Zhang R. PMID: 34432793; PMCID: PMC8386849.
      View in: PubMed   Mentions: 2     Fields:    Translation:Cells
    18. Dairy management practices associated with multi-drug resistant fecal commensals and Salmonella in cull cows: a machine learning approach. PeerJ. 2021; 9:e11732. Pandit PS, Williams DR, Rossitto P, Adaska JM, Pereira R, Lehenbauer TW, Byrne BA, Li X, Atwill ER, Aly SS. PMID: 34316397; PMCID: PMC8288115.
      View in: PubMed   Mentions:    Fields:    
    19. Survey on Antimicrobial Drug Use Practices in California Preweaned Dairy Calves. Front Vet Sci. 2021; 8:636670. Okello E, Williams DR, ElAshmawy WR, Adams J, Pereira RV, Lehenbauer TW, Aly SS. PMID: 33969034; PMCID: PMC8101284.
      View in: PubMed   Mentions: 7  
    20. Detection of Cephalosporin and Fluoroquinolone Resistance Genes via Novel Multiplex qPCR in Fecal Salmonella Isolates From Northern Californian Dairy Cattle, 2002-2016. Front Microbiol. 2021; 12:601924. Basbas C, Byrne BA, Chigerwe M, Escobar ED, Hodzic E, Pires AFA, Pereira RV. PMID: 33658984; PMCID: PMC7917062.
      View in: PubMed   Mentions:
    21. Genotypic antimicrobial resistance characterization of E. coli from dairy calves at high risk of respiratory disease administered enrofloxacin or tulathromycin. Sci Rep. 2020 11 09; 10(1):19327. Pereira RV, Foditsch C, Siler JD, Dulièpre SC, Altier C, Garzon A, Warnick LD. PMID: 33168881; PMCID: PMC7653923.
      View in: PubMed   Mentions: 3     Fields:    Translation:AnimalsCells
    22. Effect of continued metabolic acidification into the first 3 days of lactation on blood calcium status in postpartum dairy cattle: A randomized controlled trial. J Dairy Sci. 2020 Dec; 103(12):11762-11768. Maier GU, McNabb B, Pereira R, Bang H, Aly SS, Rossow HA. PMID: 33041044; PMCID: PMC7773151.
      View in: PubMed   Mentions:    Fields:    Translation:Animals
    23. Longitudinal effects of enrofloxacin or tulathromycin use in preweaned calves at high risk of bovine respiratory disease on the shedding of antimicrobial-resistant fecal Escherichia coli. J Dairy Sci. 2020 Nov; 103(11):10547-10559. Pereira RV, Altier C, Siler JD, Mann S, Jordan D, Warnick LD. PMID: 32861496.
      View in: PubMed   Mentions: 10     Fields:    Translation:AnimalsCells
    24. Evaluation of Heat and pH Treatments on Degradation of Ceftiofur in Whole Milk. Front Vet Sci. 2020; 7:288. Garzon A, Pandey P, Tell L, Aly SS, Poppenga R, Pereira R. PMID: 32528987; PMCID: PMC7256783.
      View in: PubMed   Mentions: 2  
    25. Effects of treatment with enrofloxacin or tulathromycin on fecal microbiota composition and genetic function of dairy calves. PLoS One. 2019; 14(12):e0219635. Foditsch C, Pereira RVV, Siler JD, Altier C, Warnick LD. PMID: 31825967; PMCID: PMC6905572.
      View in: PubMed   Mentions: 8     Fields:    Translation:Animals
    26. Evaluation of four commercial tests for detecting ceftiofur in waste milk bulk tank samples. PLoS One. 2019; 14(11):e0224884. Belmar M, Aly S, Karle BM, Pereira RV. PMID: 31714908; PMCID: PMC6850555.
      View in: PubMed   Mentions:    Fields:    Translation:AnimalsPHPublic Health
    27. Association between herd management practices and antimicrobial resistance in Salmonella spp. from cull dairy cattle in Central California. PeerJ. 2019; 7:e6546. Pereira R, Williams DR, Rossitto P, Adaska J, Okello E, Champagne J, Lehenbauer TW, Li X, Chase J, Nguyen T, Pires AFA, Atwill ER, Aly SS. PMID: 30923650; PMCID: PMC6431540.
      View in: PubMed   Mentions: 6     Fields:    
    28. Calf care personnel on dairy farms and their educational opportunities. J Dairy Sci. 2019 Apr; 102(4):3501-3511. Sischo WM, Moore DA, Pereira R, Warnick L, Moore DL, Vanegas J, Kurtz S, Heaton K, Kinder D, Siler J, Davis MA. PMID: 30772022.
      View in: PubMed   Mentions: 3     Fields:    Translation:HumansAnimals
    29. Metritis diagnosis and treatment practices in 45 dairy farms in California. J Dairy Sci. 2018 Oct; 101(10):9608-9616. Espadamala A, Pereira R, Pallarés P, Lago A, Silva-Del-Río N. PMID: 30077455.
      View in: PubMed   Mentions: 3     Fields:    Translation:AnimalsPHPublic Health
    30. Multidrug residues and antimicrobial resistance patterns in waste milk from dairy farms in Central California. J Dairy Sci. 2018 Sep; 101(9):8110-8122. Tempini PN, Aly SS, Karle BM, Pereira RV. PMID: 30126599.
      View in: PubMed   Mentions: 17     Fields:    Translation:AnimalsCells
    31. Antimicrobial resistance trends in fecal Salmonella isolates from northern California dairy cattle admitted to a veterinary teaching hospital, 2002-2016. PLoS One. 2018; 13(6):e0199928. Davidson KE, Byrne BA, Pires AFA, Magdesian KG, Pereira RV. PMID: 29953552; PMCID: PMC6023112.
      View in: PubMed   Mentions: 12     Fields:    Translation:AnimalsCells
    32. Impacts of feeding preweaned calves milk containing drug residues on the functional profile of the fecal microbiota. Sci Rep. 2018 01 11; 8(1):554. Pereira RVV, Carroll LM, Lima S, Foditsch C, Siler JD, Bicalho RC, Warnick LD. PMID: 29323259; PMCID: PMC5764986.
      View in: PubMed   Mentions: 16     Fields:    Translation:AnimalsPHPublic Health
    33. 16S rRNA analysis of diversity of manure microbial community in dairy farm environment. PLoS One. 2018; 13(1):e0190126. Pandey P, Chiu C, Miao M, Wang Y, Settles M, Del Rio NS, Castillo A, Souza A, Pereira R, Jeannotte R. PMID: 29304047; PMCID: PMC5755784.
      View in: PubMed   Mentions: 12     Fields:    Translation:Animals
    34. Whole-Genome Sequencing of Drug-Resistant Salmonella enterica Isolates from Dairy Cattle and Humans in New York and Washington States Reveals Source and Geographic Associations. Appl Environ Microbiol. 2017 06 15; 83(12). Carroll LM, Wiedmann M, den Bakker H, Siler J, Warchocki S, Kent D, Lyalina S, Davis M, Sischo W, Besser T, Warnick LD, Pereira RV. PMID: 28389536; PMCID: PMC5452826.
      View in: PubMed   Mentions: 51     Fields:    Translation:AnimalsCells
    35. Improving Dairy Organizational Communication from the Veterinarian's Perspective: Results of a Continuing Veterinary Medical Education Pilot Program. J Vet Med Educ. 2016; 43(1):33-40. Moore DA, Sischo WM, Kurtz S, Siler JD, Pereira RV, Warnick LD, Davis MA. PMID: 26751909; PMCID: PMC4822487.
      View in: PubMed   Mentions: 4     Fields:    Translation:HumansAnimals
    36. Oral Administration of Faecalibacterium prausnitzii Decreased the Incidence of Severe Diarrhea and Related Mortality Rate and Increased Weight Gain in Preweaned Dairy Heifers. PLoS One. 2015; 10(12):e0145485. Foditsch C, Pereira RV, Ganda EK, Gomez MS, Marques EC, Santin T, Bicalho RC. PMID: 26710101; PMCID: PMC4692552.
      View in: PubMed   Mentions: 45     Fields:    Translation:AnimalsCells
    37. Effect of heifer-raising practices on E. coli antimicrobial resistance and Salmonella prevalence in heifer raisers. Epidemiol Infect. 2015 Nov; 143(15):3256-65. Pereira RV, Siler JD, Cummings KJ, Davis MA, Warnick LD. PMID: 25904042; PMCID: PMC4809741.
      View in: PubMed   Mentions:    Fields:    Translation:AnimalsCells
    38. Isolation and characterization of Faecalibacterium prausnitzii from calves and piglets. PLoS One. 2014; 9(12):e116465. Foditsch C, Santos TM, Teixeira AG, Pereira RV, Dias JM, Gaeta N, Bicalho RC. PMID: 25551453; PMCID: PMC4281123.
      View in: PubMed   Mentions: 37     Fields:    Translation:AnimalsCells
    39. In vivo selection of resistant E. coli after ingestion of milk with added drug residues. PLoS One. 2014; 9(12):e115223. Pereira RV, Siler JD, Bicalho RC, Warnick LD. PMID: 25506918; PMCID: PMC4266680.
      View in: PubMed   Mentions: 22     Fields:    Translation:AnimalsCellsPHPublic Health
    40. Effect of preweaned dairy calf housing system on antimicrobial resistance in commensal Escherichia coli. J Dairy Sci. 2014 Dec; 97(12):7633-43. Pereira RV, Siler JD, Ng JC, Davis MA, Warnick LD. PMID: 25306277; PMCID: PMC4351789.
      View in: PubMed   Mentions: 11     Fields:    Translation:AnimalsCells
    41. Effect of on-farm use of antimicrobial drugs on resistance in fecal Escherichia coli of preweaned dairy calves. J Dairy Sci. 2014 Dec; 97(12):7644-54. Pereira RV, Siler JD, Ng JC, Davis MA, Grohn YT, Warnick LD. PMID: 25306279; PMCID: PMC4351791.
      View in: PubMed   Mentions: 32     Fields:    Translation:AnimalsCells
    42. Evaluation of the effects of ultraviolet light on bacterial contaminants inoculated into whole milk and colostrum, and on colostrum immunoglobulin G. J Dairy Sci. 2014 May; 97(5):2866-75. Pereira RV, Bicalho ML, Machado VS, Lima S, Teixeira AG, Warnick LD, Bicalho RC. PMID: 24582452; PMCID: PMC4351796.
      View in: PubMed   Mentions: 8     Fields:    Translation:AnimalsCells
    43. Multiresidue screening of milk withheld for sale at dairy farms in central New York State. J Dairy Sci. 2014 Mar; 97(3):1513-9. Pereira RV, Siler JD, Bicalho RC, Warnick LD. PMID: 24440252; PMCID: PMC4349524.
      View in: PubMed   Mentions: 12     Fields:    Translation:AnimalsPHPublic Health
    44. Reproductive performance of dairy cows resynchronized after pregnancy diagnosis at 31 (±3 days) after artificial insemination (AI) compared with resynchronization at 31 (±3 days) after AI with pregnancy diagnosis at 38 (±3 days) after AI. J Dairy Sci. 2013; 96(12):7630-9. Pereira RV, Caixeta LS, Giordano JO, Guard CL, Bicalho RC. PMID: 24094532; PMCID: PMC4353590.
      View in: PubMed   Mentions: 4     Fields:    Translation:Animals
    45. Effect of an injectable trace mineral supplement containing selenium, copper, zinc, and manganese on the health and production of lactating Holstein cows. Vet J. 2013 Aug; 197(2):451-6. Machado VS, Bicalho ML, Pereira RV, Caixeta LS, Knauer WA, Oikonomou G, Gilbert RO, Bicalho RC. PMID: 23598255.
      View in: PubMed   Mentions: 14     Fields:    Translation:Animals
    46. The effect of intrauterine administration of mannose or bacteriophage on uterine health and fertility of dairy cows with special focus on Escherichia coli and Arcanobacterium pyogenes. J Dairy Sci. 2012 Jun; 95(6):3100-9. Machado VS, Bicalho ML, Pereira RV, Caixeta LS, Bittar JH, Oikonomou G, Gilbert RO, Bicalho RC. PMID: 22612946.
      View in: PubMed   Mentions: 9     Fields:    Translation:AnimalsCells
    47. Microbial diversity in bovine papillomatous digital dermatitis in Holstein dairy cows from upstate New York. FEMS Microbiol Ecol. 2012 Feb; 79(2):518-29. Santos TM, Pereira RV, Caixeta LS, Guard CL, Bicalho RC. PMID: 22093037.
      View in: PubMed   Mentions: 20     Fields:    Translation:AnimalsCells
    48. Antimicrobial resistance and prevalence of virulence factor genes in fecal Escherichia coli of Holstein calves fed milk with and without antimicrobials. J Dairy Sci. 2011 Sep; 94(9):4556-65. Pereira RV, Santos TM, Bicalho ML, Caixeta LS, Machado VS, Bicalho RC. PMID: 21854928.
      View in: PubMed   Mentions: 8     Fields:    Translation:AnimalsCells
    49. Molecular and epidemiological characterization of bovine intrauterine Escherichia coli. J Dairy Sci. 2010 Dec; 93(12):5818-30. Bicalho RC, Machado VS, Bicalho ML, Gilbert RO, Teixeira AG, Caixeta LS, Pereira RV. PMID: 21094754.
      View in: PubMed   Mentions: 25     Fields:    Translation:HumansAnimalsCells
    50. Efficacy of formalin, copper sulfate, and a commercial footbath product in the control of digital dermatitis. J Dairy Sci. 2010 Aug; 93(8):3628-34. Teixeira AG, Machado VS, Caixeta LS, Pereira RV, Bicalho RC. PMID: 20655432.
      View in: PubMed   Mentions: 7     Fields:    Translation:Animals
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