Research Topics
| Johann F CoetzeeSummaryAffiliation: Iowa State University Country: USA Publications
| Collaborators
|
Detail Information
Publications
Assessment and Management of Pain Associated with Castration in CattleJohann F Coetzee
Department of Veterinary Diagnostic and Production Animal Medicine, College of Veterinary Medicine, Iowa State University, 1600 S 16th Street, Ames, IA 50011, USA Electronic address
Vet Clin North Am Food Anim Pract 29:75-101. 2013..Local anesthesia alone tended to decrease peak cortisol concentrations more than NSAIDs, whereas NSAIDs alone tended to decrease the area under the cortisol-time curve more than local anesthesia alone...- A review of analgesic compounds used in food animals in the United StatesJohann F Coetzee
Department of Veterinary Diagnostic and Production Animal Medicine, College of Veterinary Medicine, Iowa State University, Ames, IA 50011, USA Electronic address
Vet Clin North Am Food Anim Pract 29:11-28. 2013..The potential use of novel agents such as bicarbonate, magnesium, ethanol, and gabapentin to augment analgesia is also discussed... 
Pharmacokinetics and effect of intravenous meloxicam in weaned Holstein calves following scoop dehorning without local anesthesiaJohann F Coetzee
Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506 5601, USA
BMC Vet Res 8:153. 2012....- Effect of oral meloxicam on health and performance of beef steers relative to bulls castrated on arrival at the feedlotJ F Coetzee
Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan 66506, USA
J Anim Sci 90:1026-39. 2012..These findings have implications for developing NSAID protocols for use in calves at castration with respect to addressing animal health and welfare concerns... 
Comparison of three oxytetracycline regimes for the treatment of persistent Anaplasma marginale infections in beef cattleJohann F Coetzee
Department of Veterinary Diagnostic and Production Animal Medicine, College of Veterinary Medicine, Iowa State University, Ames, IA 50011, USA
Vet Parasitol 127:61-73. 2005..Infection was confirmed by subinoculation of blood into a splenectomized Holstein calf. These results demonstrated that the treatment regimens tested failed to clear A. marginale infections in carrier cattle...- Comparison of the efficacy of enrofloxacin, imidocarb, and oxytetracycline for clearance of persistent Anaplasma marginale infections in cattleJohann F Coetzee
Department of Veterinary Diagnostic and Production Animal Medicine, College of Veterinary Medicine, Iowa State University, Ames, IA 5001, USA
Vet Ther 7:347-60. 2006..None of the tested treatments reliably eliminated persistent A. marginale infections in all cattle. Furthermore, PCR was not a reliable means of determining the success of chemosterilization in calves... - Ultrastructural and fluorochromatic changes of Anaplasma marginale exposed to oxytetracycline, imidocarb and enrofloxacin in short-term erythrocyte culturesJohann F Coetzee
Department of Veterinary Diagnostic and Production Animal Medicine, Iowa State University, Ames, IA 50011, USA
Vet Microbiol 136:45-53. 2009..marginale following exposure to enrofloxacin and imidocarb. These findings demonstrate that FACS and electron microscopy are useful tools to screen new antimicrobials for the use in anaplasmosis chemotherapy... - Pharmacokinetics and physiologic effects of intramuscularly administered xylazine hydrochloride-ketamine hydrochloride-butorphanol tartrate alone or in combination with orally administered sodium salicylate on biomarkers of pain in Holstein calves followiSarah L Baldridge
Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506, USA
Am J Vet Res 72:1305-17. 2011.... - The efficacy of three chlortetracycline regimens in the treatment of persistent Anaplasma marginale infectionJames B Reinbold
Department of Diagnostic Medicine Pathobiology, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506, USA
Vet Microbiol 145:69-75. 2010..Subinoculation of splenectomized steers confirmed chemosterilization. These results are important for influencing future chemosterilization strategies and impacting free trade policy among countries and regions of contrasting endemicity... - Pharmacokinetics of oral gabapentin alone or co-administered with meloxicam in ruminant beef calvesJohann F Coetzee
Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506 5601, USA
Vet J 190:98-102. 2011..2μg/mL for up to 48h. The pharmacokinetic profile of oral gabapentin and meloxicam supported clinical evaluation of these compounds for management of neuropathic pain in cattle... - Comparison of the complement fixation test and competitive ELISA for serodiagnosis of Anaplasma marginale infection in experimentally infected steersJohann F Coetzee
Department of Veterinary Diagnostic and Production Animal Medicine, College of Veterinary Medicine, Iowa State University, Ames, IA 50011, USA
Am J Vet Res 68:872-8. 2007..To compare sensitivity of a complement fixation (CF) test and competitive ELISA (cELISA) for detection of Anaplasma marginale in experimentally infected steers... - Plasma concentrations of substance P and cortisol in beef calves after castration or simulated castrationJohann F Coetzee
Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506 5601, USA
Am J Vet Res 69:751-62. 2008..To evaluate plasma concentrations of substance P (SP) and cortisol in calves after castration or simulated castration... - Effect of flunixin meglumine on the amelioration of lameness in dairy steers with amphotericin B-induced transient synovitis-arthritisKara L Schulz
Ruminant Models Laboratory, Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506, USA
Am J Vet Res 72:1431-8. 2011..To characterize amphotericin B-induced lameness in cattle and to ascertain the analgesic effects of flunixin meglumine by use of multimodal assessment... - Detection of Anaplasma marginale and A. phagocytophilum in bovine peripheral blood samples by duplex real-time reverse transcriptase PCR assayJames B Reinbold
Department of Diagnostic Medicine Pathobiology, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506, USA
J Clin Microbiol 48:2424-32. 2010..In conclusion, the duplex real-time qRT-PCR assay is a highly sensitive and specific diagnostic tool for the accurate and precise detection of A. marginale and A. phagocytophilum infections in cattle... - Seroprevalence of Anaplasma marginale in 2 Iowa feedlots and its association with morbidity, mortality, production parameters, and carcass traitsJohann F Coetzee
Department of Veterinary Diagnostic and Production Animal Medicine, College of Veterinary Medicine, Iowa State University, Ames, Iowa 50011, USA
Can Vet J 51:862-8. 2010..17). Although prevalence of anaplasmosis in Iowa feedlots is higher than reported in Montana-sourced calves arriving in Canadian feedlots, this was not associated with increased production costs... - Effect of transportation during periods of high ambient temperature on physiologic and behavioral indices of beef heifersMiles E Theurer
Department of Diagnostic Medicine and Pathobiology, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506
Am J Vet Res 74:481-90. 2013..Conclusions and Clinical Relevance-Results indicated transportation during periods of high ambient temperatures caused transient changes in physiologic and behavioral indices of beef heifers... - Efficacy of enrofloxacin against severe experimental Anaplasma marginale infections in splenectomized calvesJohann F Coetzee
Department of Veterinary Diagnostic and Production Animal Medicine, College of Veterinary Medicine, Iowa State University, Ames, Iowa, USA
Vet Ther 7:319-28. 2006..Untreated control calves became moribund and were euthanized. These data indicate that the regimen of enrofloxacin tested herein ameliorates, but does not eliminate, A. marginale infections in splenectomized calves... - Bioavailability and pharmacokinetics of oral meloxicam in llamasAmanda J Kreuder
Department of Veterinary Diagnostic and Production Animal Medicine VDPAM, College of Veterinary Medicine, Iowa State University, Ames, IA 50011, USA
BMC Vet Res 8:85. 2012..Plasma samples collected up to 96 hours post-administration were analyzed by high pressure liquid chromatography and mass spectrometry detection (HPLC-MS) followed by non-compartmental pharmacokinetic analysis... - Evaluation of two-dimensional accelerometers to monitor behavior of beef calves after castrationBrad J White
Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506, USA
Am J Vet Res 69:1005-12. 2008..To determine the accuracy of accelerometers for measuring behavior changes in calves and to determine differences in beef calf behavior from before to after castration... - Effect of sub-anesthetic xylazine and ketamine ('ketamine stun') administered to calves immediately prior to castrationJohann F Coetzee
Agricultural Practices Section, Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506 5701, USA
Vet Anaesth Analg 37:566-78. 2010..To describe the pharmacokinetics, cortisol response and behavioral changes associated with administration of sub-anesthetic xylazine and ketamine prior to castration... - Assessment of behavioral changes associated with oral meloxicam administration at time of dehorning in calves using a remote triangulation device and accelerometersMiles E Theurer
Department of Diagnostic Medicine and Pathobiology, Kansas State University, Manhattan, USA
BMC Vet Res 8:48. 2012..Accelerometers monitored lying behavior and the remote triangulation device was used to monitor each calf's movement within the pen... - A survey of castration methods and associated livestock management practices performed by bovine veterinarians in the United StatesJohann F Coetzee
Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506 5601, USA
BMC Vet Res 6:12. 2010..veterinarians at the time of castration. Invitations to participate in the survey were sent to email addresses of 1,669 members of the American Association of Bovine Practitioners and 303 members of the Academy of Veterinary Consultants... - Effects of two simulated oxytetracycline dosing regimens on horizontal transfer of antimicrobial resistance plasmids in an in vitro pharmacodynamic modelBrian V Lubbers
Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506, USA
Am J Vet Res 72:877-83. 2011..To evaluate the impact of oxytetracycline exposure on horizontal transfer of an antimicrobial resistance plasmid... - Use of computed tomography to evaluate pathologic changes in the lungs of calves with experimentally induced respiratory tract diseaseBrian V Lubbers
Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506 5701, USA
Am J Vet Res 68:1259-64. 2007..To optimize methods for the use of computed tomography (CT) to assess pathologic changes in the lungs of calves and to determine the effect of treatment on lung consolidation... - Bovine dehorning: assessing pain and providing analgesic managementMatthew L Stock
Department of Biomedical Science, College of Veterinary Medicine, Iowa State University, 2008 Veterinary Medicine, Ames, IA 50011, USA Department of Veterinary Diagnostic and Production Animal Medicine, College of Veterinary Medicine, Iowa State University, 2008 Veterinary Medicine, Ames, IA 50011, USA
Vet Clin North Am Food Anim Pract 29:103-33. 2013..Following a literature review, this article recommends a multimodal approach to analgesia for dehorning procedures, including the use of a local anesthetic and anti-inflammatory and, when possible, a sedative-analgesic... - Assessment and management of pain associated with lameness in cattleJan K Shearer
Dairy Production Medicine, Lameness, Animal Welfare, Iowa State University, Ames, IA 50011, USA Electronic address
Vet Clin North Am Food Anim Pract 29:135-56. 2013..Similarly, in lame cattle, pain can best be alleviated by implementing a multimodal approach including corrective claw trimming and placement of foot blocks combined with additional benefits provided by analgesic compounds...