Research Topics
| J F CoetzeeSummaryAffiliation: Kansas State University Country: USA Publications
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Detail Information
Publications
Flow cytometric evaluation of selected antimicrobial efficacy for clearance of Anaplasma marginale in short-term erythrocyte culturesJ F Coetzee
Department of Veterinary Diagnostic and Production Animal Medicine, College of Veterinary Medicine, Iowa State University, Ames, IA, USA
J Vet Pharmacol Ther 29:173-83. 2006..This is the first in vitro study demonstrating the efficacy of enrofloxacin against A. marginale. Furthermore, these data indicate that flow cytometry is a useful assay for screening antimicrobials against A. marginale...
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...
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...
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...
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...
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...
Attenuation of acute plasma cortisol response in calves following intravenous sodium salicylate administration prior to castrationJ F Coetzee
Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506 5601, USA
J Vet Pharmacol Ther 30:305-13. 2007..018). These findings have implications for designing drug regimens to provide analgesia during routine animal husbandry procedures...
Chronic metabolic responses of postpartal dairy cows to subcutaneous glucagon injections, oral glycerol, or bothM A Osman
Department of Animal Science, Iowa State University, Ames 50011, USA
J Dairy Sci 93:3505-12. 2010....
Pharmacokinetics of oral meloxicam in ruminant and preruminant calvesR A Mosher
Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, KS, USA
J Vet Pharmacol Ther 35:373-81. 2012..Results suggest that an adjustment in meloxicam dose may be necessary when administered with milk replacer...
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...
Effect of intravenous sodium salicylate administration prior to castration on plasma cortisol and electroencephalography parameters in calvesL Bergamasco
Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, USA
J Vet Pharmacol Ther 34:565-76. 2011..Significant correlations between cortisol and EEG parameters were noted. These findings have implications for designing effective analgesic regimens, and they suggest that EEG can be useful to monitor pain attributable to castration...
Plasma pharmacokinetics of oral chlortetracycline in group fed, ruminating, Holstein steers in a feedlot settingJ B Reinbold
Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66502 5020, USA
J Vet Pharmacol Ther 33:76-83. 2010..Further studies are necessary for determining absolute bioavailability and pharmacokinetic-pharmacodynamic relationships of CTC in group fed, ruminating cattle...
Analgesic efficacy of sodium salicylate in an amphotericin B-induced bovine synovitis-arthritis modelJ L Kotschwar
Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, Kansas 66506 5601, USA
J Dairy Sci 92:3731-43. 2009..This amphotericin B-induced synovitis-arthritis model is a useful tool for studying changes associated with lameness in cattle. Sodium salicylate was not effective in providing analgesia after lameness...
Pharmacokinetics of ketamine and its metabolite norketamine administered at a sub-anesthetic dose together with xylazine to calves prior to castrationR Gehring
Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66502, USA
J Vet Pharmacol Ther 32:124-8. 2009..An understanding of the time-concentration relationships and the disposition of the parent drug and its metabolite is therefore important for a better understanding of the analgesic potential of ketamine in cattle...
Ampicillin pharmacokinetics in swine following needle-free, intramuscular, and intravenous administrationM D Apley
Iowa State University, Ames, IA, USA
J Vet Pharmacol Ther 30:417-21. 2007....
Comparative pharmacokinetics of amikacin in Greyhound and Beagle dogsB Kukanich
Department of Anatomy and Physiology, PharmCATS, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506, USA
J Vet Pharmacol Ther 31:102-7. 2008..The dose in Greyhounds to achieve a C(max):AUC >or= 8 for bacteria (with an MIC <or= 4 microg/mL) is 12 mg/kg q24 h compared to 22 mg/kg q24 in Beagles...
Acute metabolic responses of postpartal dairy cows to subcutaneous glucagon injections, oral glycerol, or bothM A Osman
Department of Animal Science, Iowa State University, Ames 50011, USA
J Dairy Sci 91:3311-22. 2008..This suggests that glucagon and glycerol, when co-administered, act to decrease the likelihood of metabolism-related syndrome development in dairy cows...
Comparative disposition of pharmacologic markers for cytochrome P-450 mediated metabolism, glomerular filtration rate, and extracellular and total body fluid volume of Greyhound and Beagle dogsB Kukanich
Department of Anatomy, PharmCATS, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506, USA
J Vet Pharmacol Ther 30:314-9. 2007..3%, P = 0.008). Greyhounds exhibited significantly slower CYP metabolism, higher TBFV, and lower in vitro protein binding of antipyrine compared with Beagles. No differences in GFR or ECFV were found...
Electroejaculation increased vocalization and plasma concentrations of cortisol and progesterone, but not substance P, in beef bullsB K Whitlock
Department of Large Animal Clinical Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, Tennessee 37996, USA
Theriogenology 78:737-46. 2012..However, the lack of a difference in plasma concentrations of substance P after electroejaculation was interpreted as a lack of pain associated with nociception...
Pharmacokinetics and milk secretion of gabapentin and meloxicam co-administered orally in Holstein-Friesian cowsP R Malreddy
Department of Clinical Sciences, Kansas State University College of Veterinary Medicine, Manhattan, KS 66506, USA Department of Veterinary Diagnostic and Production Animal Medicine, Iowa State University College of Veterinary Medicine, Ames, IA 50011, USA Department of Anatomy and Physiology, Kansas State University College of Veterinary Medicine, Manhattan, KS 66506, USA
J Vet Pharmacol Ther 36:14-20. 2013..04) was lower than for gabapentin (0.23 ± 0.06). The results of this study suggest that milk from treated cows will have low drug residue concentration soon after plasma drug concentrations have fallen below effective levels...
Validation of a lameness model in sows using physiological and mechanical measurementsL A Karriker
Swine Medicine Education Center, College of Veterinary Medicine, Department of Animal Science, Cyclone Analyte Detection Service, Iowa State University, Ames, IA 50011, USA
J Anim Sci 91:130-6. 2013..05). Injection of amphotericin B induced a predictable acute lameness that resolved spontaneously and is an effective method to model lameness in sows...
