Effects of hyperbaric oxygen therapy on uncomplicated incisional and open wound healing in dogs          下载免费PDF全文

Christian R. Latimer DVM  Cassie N. Lux DVM  DACVS‐SA  Sarah Roberts BS  DVM  Marti G. Drum DVM  PhD  DACVSMR  Cheryl Braswell DVM  DACVECC  Mee Ja M. Sula DVM  DACVP 《Veterinary surgery : VS》2018,47(6):827-836

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Laryngeal mask airway and transient hypercapnic hyperpnea for video‐endoscopic assessment of unilateral laryngeal paralysis in dogs          下载免费PDF全文

Daniel M. Sakai MV  DACVAA  Manuel Martin‐Flores MV  DACVAA  Amanda K. Jones PhD  Galina M. Hayes BVSc  PhD  DACVECC  DACVS‐SA  Marina J. McConkey DVM  DACVS‐SA  Jonathan Cheetham VetMB  PhD  DACVS‐LA 《Veterinary surgery : VS》2018,47(4):543-548

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Drivers,challenges and opportunities of forage technology adoption by smallholder cattle households in Cambodia     

K Ashley  S Wilson  JR Young  HP Chan  S Vitou  S Suon  PA Windsor  RD Bush 《Tropical animal health and production》2018,50(1):63-73

Forage technology has been successfully introduced into smallholder cattle systems in Cambodia as an alternative feed source to the traditional rice straw and native pastures, improving animal nutrition and reducing labour requirements of feeding cattle. Previous research has highlighted the positive impacts of forage technology including improved growth rates of cattle and household time savings. However, further research is required to understand the drivers, challenges and opportunities of forage technology for smallholder cattle households in Cambodia to facilitate widespread adoption and identify areas for further improvement. A survey of forage-growing households (n = 40) in July–September 2016 examined forage technology adoption experiences, including reasons for forage establishment, use of inputs and labour requirements of forage plot maintenance and use of forages (feeding, fattening, sale of grass or seedlings and silage). Time savings was reported as the main driver of forage adoption with household members spending approximately 1 h per day maintaining forages and feeding it to cattle. Water availability was reported as the main challenge to this activity. A small number of households also reported lack of labour, lack of fencing, competition from natural grasses, cost of irrigation and lack of experience as challenges to forage growing. Cattle fattening and sale of cut forage grass and seedlings was not found to be a widespread activity by interviewed households, with 25 and 10% of households reporting use of forages for these activities, respectively. Currently, opportunities exist for these households to better utilise forages through expansion of forage plots and cattle activities, although assistance is required to support these households in addressing current constraints, particularly availability of water, if the sustainability of this feed technology for smallholder cattle household is to be established in Cambodia.  相似文献   

Pharmacokinetic profiles of the two major active metabolites of metamizole (dipyrone) in cats following three different routes of administration          下载免费PDF全文

B. Lebkowska‐Wieruszewska  T. W. Kim  B. Chea  H. Owen  A. Poapolathep  M. Giorgi 《Journal of veterinary pharmacology and therapeutics》2018,41(2):334-339

This study was performed to determine pharmacokinetic profiles of the two active metabolites of the analgesic drug metamizole (dipyrone , MET), 4‐methylaminoantipyrine (MAA), and 4‐aminoantipyrine (AA), after intravenous (i.v., intramuscular (i.m.), and oral (p.o.) administration in cats. Six healthy mixed‐breed cats were administered MET (25 mg/kg) by i.v., i.m., or p.o. routes in a crossover design. Adverse clinical signs, namely salivation and vomiting, were detected in all groups (i.v. 67%, i.m. 34%, and p.o. 15%). The mean maximal plasma concentration of MAA for i.v., i.m., and p.o. administrations was 148.63 ± 106.64, 18.74 ± 4.97, and 20.59 ± 15.29 μg/ml, respectively, with about 7 hr of half‐life in all routes. Among the administration routes, the area under the plasma concentration curve (AUC) value was the lowest after i.m. administration and the AUC_EV/i.v. ratio was higher in p.o. than the i.m. administration without statistical significance. The plasma concentration of AA was detectable up to 24 hr, and the mean plasma concentrations were smaller than MAA. The present results suggest that MET is converted into the active metabolites in cats as in humans. Further pharmacodynamics and safety studies should be performed before any clinical use.  相似文献   

Effects of p.o. administered xylitol in cats          下载免费PDF全文

Á. Jerzsele  Z. Karancsi  E. Pászti‐Gere  Á. Sterczer  A. Bersényi  K. Fodor  D. Szabó  P. Vajdovich 《Journal of veterinary pharmacology and therapeutics》2018,41(3):409-414

Xylitol is commonly used as sugar substitute in households. While it has numerous beneficial effects on human health, it is highly toxic to dogs. The goal of this study was to examine whether xylitol has similar deleterious effects, such as hypoglycaemia and acute hepatic failure, on cats. Our research included six healthy middle‐aged cats. Xylitol was dissolved in deionized water and administered p.o. at three doses (100, 500 and 1,000 mg/kg body weight). These dosages have been considered toxic and can cause liver failure or even death in dogs. After every xylitol administration, the basic health status and the blood glucose of cats were observed regularly. Additionally, prior to and 6, 24 and 72 hr after xylitol administration, blood samples were taken to check complete blood count, clinical biochemical parameters and enzymes such as ALT, ALKP, GGT, GLDH, bile acids, BUN, creatinine, phosphate, total protein, albumin, sodium and potassium. There were no significant changes (p > .05) in any of the haematological or biochemical parameters. Blood glucose concentrations did not show any significant alterations, except at 1,000 mg/kg dose, where a mild but significant increase was observed, but it was in physiological range. Based on our results, xylitol did not induce toxic effects on cats.  相似文献   

The construction and application of a population physiologically based pharmacokinetic model for methadone in Beagles and Greyhounds          下载免费PDF全文

Trevor Elwell‐Cuddy  Miao Li  Butch KuKanich  Zhoumeng Lin 《Journal of veterinary pharmacology and therapeutics》2018,41(5):670-683

Methadone is an opioid analgesic in veterinary and human medicine. To help develop appropriate pain management practices and to develop a quantitative model for predicting methadone dosimetry, a flow‐limited multiroute physiologically based pharmacokinetic (PBPK) model for methadone in dogs constructed with Berkeley Madonna? was developed. The model accounts for intravenous (IV), subcutaneous (SC), and oral administrations, and compartmentalizes the body into different components. This model was calibrated from plasma pharmacokinetic data after IV administration of methadone in Beagles and Greyhounds. The calibrated model was evaluated with independent data in both breeds of dogs. One advantage of this model is that most physiological parameter values for Greyhounds were taken directly from the original literature. The developed model simulates available pharmacokinetic data for plasma concentrations well for both breeds. After conducting regression analysis, all simulated datasets produced an R ² > 0.80 when compared to the measured plasma concentrations. Comparative analysis of the dosimetry of methadone between the breeds suggested that Greyhounds had ~50% lower 24‐hr area under the curve (AUC) of plasma or brain concentrations than in Beagles. Furthermore, population analysis was conducted with this study. This model can be used to predict methadone concentrations in multiple dog breeds using breed‐specific parameters.  相似文献   

Removal of hemangiosarcoma cells from canine blood with a cell salvage system and leukocyte reduction filter          下载免费PDF全文

Brittany Ciepluch DVM  MS  Heather Wilson‐Robles DVM  DACVIM  Gwendolyn Levine DVM  DACVP  Roger Smith DVM  PhD  Gus A. Wright PhD  Tasha Miller BS  Maureen T. O'Brien DVM  MS  DACVP  Kelley M. Thieman Mankin DVM  MS  DACVS‐SA 《Veterinary surgery : VS》2018,47(2):293-301

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Pharmacokinetics of cefquinome in healthy and Pasteurella multocida‐infected rabbits          下载免费PDF全文

S. T. Elazab  D. E. Schrunk  R. W. Griffith  S. M. Ensley  G. Dell'Anna  K. Mullin  M. G. Elsayed  M. S. Amer  S. M. El‐Nabtity  W. H. Hsu 《Journal of veterinary pharmacology and therapeutics》2018,41(3):374-377

The pharmacokinetics of cefquinome were studied in healthy and Pasteurella multocida‐infected rabbits after a single intramuscular (IM) injection at 2 mg/kg of its sulfate salt. Twelve female New Zealand white rabbits (2.0–2.5 kg) were used; six of them served as controls, and the other six had been infected with P. multocida; the experiments were conducted 1–2 days after nasal inoculation of P. multocida when rabbits showed the signs of respiratory infection. Plasma concentrations of cefquinome were determined using high‐performance liquid chromatography. The values of elimination half‐life, area under the curve, area under the first moment curve, and mean residence time were significantly lower in infected rabbits (0.48 hr, 4.54 hr*μg/ml, 3.63 hr* hr*μg/ml and 0.8 hr, respectively) than healthy rabbits (0.72 hr, 9.11 hr*μg/ml, 9.85 hr* hr*μg/ml and 1.1 hr, respectively), whereas total body clearance was significantly higher in infected than healthy rabbits. Therefore, P. multocida infection caused significant changes in some of the pharmacokinetic parameters of cefquinome in rabbits. These pharmacokinetic changes may affect dose regimen when used in P. multocida‐infected rabbits.  相似文献   

The impact of postdischarge surveillance on surgical site infection diagnosis          下载免费PDF全文

Danielle N. Garcia Stickney DVM  Kelley M. Thieman Mankin DVM  MS  DACVS‐SA 《Veterinary surgery : VS》2018,47(1):66-73

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CD117‐ and vimentin‐positive telocytes in the bovine teat sphincter          下载免费PDF全文

M. G. Wagener  S. Leonhard‐Marek  J.‐D. Häger  C. Pfarrer 《Anatomia, histologia, embryologia》2018,47(3):268-270

Mastitis is a common economically relevant problem in dairy farming. As the major entry for pathogens is the papillary duct, one of the first defence mechanisms is the teat sphincter. This sphincter shows a rhythmic contractility of yet unknown origin. Searching for possible modulatory pacemaker cells, teat sphincters of eight cows were stained immunohistochemically with antibodies against CD117 and vimentin and evaluated microscopically for the presence of telocytes. CD117‐ and vimentin‐positive telocytes with telopodes were found in close contact with smooth muscle cells. Our findings present a first evidence of telocytes in the teat of bovines.  相似文献