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https://www.readbyqxmd.com/read/28212319/a-validated-stability-indicating-hplc-method-for-simultaneous-determination-of-amoxicillin-and-enrofloxacin-combination-in-an-injectable-suspension
#1
Nidal Batrawi, Shorouq Wahdan, Fuad Al-Rimawi
The combination of amoxicillin and enrofloxacin is a well-known mixture of veterinary drugs; it is used for the treatment of Gram-positive and Gram-negative bacteria. In the scientific literature, there is no high-performance liquid chromatography (HPLC)-UV method for the simultaneous determination of this combination. The objective of this work is to develop and validate an HPLC method for the determination of this combination. In this regard, a new, simple and efficient reversed-phase HPLC method for simultaneous qualitative and quantitative determination of amoxicillin and enrofloxacin, in an injectable preparation with a mixture of inactive excipients, has been developed and validated...
February 16, 2017: Scientia Pharmaceutica
https://www.readbyqxmd.com/read/28208218/antibiotic-resistance-in-escherichia-coli-in-husbandry-animals-the-african-perspective
#2
REVIEW
Carla Andrea Alonso, Myriam Zarazaga, Rym Ben Sallem, Ahlem Jouini, Karim Ben Slama, Carmen Torres
In the last years different surveillances have been published in Africa, especially in Northern countries, regarding antimicrobial resistance among husbandry animals. Information is still scarce, but the available data shows a worrying picture. Although the highest resistance rates have been described against tetracycline, penicillins and sulphonamides, prevalence of plasmid mediated quinolone resistance genes and extended-spectrum β-lactamase (ESBL) are being increasingly reported. Among ESBLs, the CTX-M-1 group was dominant in most African surveys, being CTX-M-15 the main variant both in animals and humans, except in Tunisia where CTX-M-1 was more frequently detected among E...
February 16, 2017: Letters in Applied Microbiology
https://www.readbyqxmd.com/read/28190614/nonsteroidal-anti-inflammatory-drug-use-in-horses
#3
REVIEW
Heather K Knych
Nonsteroidal anti-inflammatory drugs (NSAIDs) are effective anti-inflammatory and analgesic agents and are arguably the most commonly used class of drugs in equine medicine. This article provides a brief review of the mechanism of action, therapeutic uses, pharmacokinetics, and adverse effects associated with their use in horses. The use of COX-2 selective NSAIDs in veterinary medicine has increased over the past several years and special emphasis is given to the use of these drugs in horses. A brief discussion of the use of NSAIDs in performance horses is also included...
February 9, 2017: Veterinary Clinics of North America. Equine Practice
https://www.readbyqxmd.com/read/28189117/blocking-transmission-of-vector-borne-diseases
#4
REVIEW
Sandra Schorderet-Weber, Sandra Noack, Paul M Selzer, Ronald Kaminsky
Vector-borne diseases are responsible for significant health problems in humans, as well as in companion and farm animals. Killing the vectors with ectoparasitic drugs before they have the opportunity to pass on their pathogens could be the ideal way to prevent vector borne diseases. Blocking of transmission might work when transmission is delayed during blood meal, as often happens in ticks. The recently described systemic isoxazolines have been shown to successfully prevent disease transmission under conditions of delayed pathogen transfer...
January 30, 2017: International Journal for Parasitology, Drugs and Drug Resistance
https://www.readbyqxmd.com/read/28187938/occurrence-of-veterinary-pharmaceuticals-in-golden-eagle-nestlings-unnoticed-scavenging-on-livestock-carcasses-and-other-potential-exposure-routes
#5
Guillermo Blanco, Alexandra Junza, Dolores Barrón
Wildlife exposure to pharmaceuticals can occur through contaminated water, and through the excreta and carcasses of medicated livestock, with potential for bioaccumulation and transfer through food webs. We evaluated whether nestling exposure to pharmaceuticals can occur from food delivered to nests in the golden eagle (Aquila chrysaetos), a top predator and facultative scavenger. Despite the fact that diet analysis suggests an apparently low dependence on livestock carcasses reduced to two piglets remains (1...
February 7, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28185826/chaetocin-a-histone-methyltransferase-inhibitor-impairs-proliferation-arrests-cell-cycle-and-induces-nucleolar-disassembly-in-trypanosoma-cruzi
#6
Aline Araujo Zuma, Jean de Oliveira Santos, Isabela Mendes, Wanderley de Souza, Carlos Renato Machado, E Maria Cristina M Motta
The Trypanosomatidae family includes pathogenic species of medical and veterinary interest. Chagas disease is endemic in Latin America, and about 8 million people are infected worldwide. There is a need for more effective drugs for the acute, undetermined and chronic phases of the disease that, in addition, do not cause side effects, stimulating the search for identification of new drug targets, as well as new chemotherapeutic targets. Trypanosomatids contain characteristic structures, such as the nucleus that undergoes a closed mitosis without chromosome formation and variations of chromatin packing in the different protozoa developmental stages...
February 6, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28174145/-effect-of-herd-health-management-on-the-prevalence-of-postpartum-dysgalaktie-syndrome-ppds-and-the-treatment-incidence
#7
W Pendl, B Jenny, P R Torgerson, P Spring, D Kümmerlen, X Sidler
The Postpartum Dysgalaktie Syndrome (PPDS) also known as metritis agalactia mastitis (MMA), is considered the most common disease of the sow after farrowing. The reasons for PPDS are multifactorial and are to be found in the areas of management and hygiene, feeding, water supply and animal specific factors such as body condition and age of the sows. In this study a veterinary herd health management was carried out in 28 pig farms with PPDS, with the aim to reduce the PPDS prevalence and animal treatment incidence (TI)...
February 2017: Schweizer Archiv Für Tierheilkunde
https://www.readbyqxmd.com/read/28167514/pediatric-exposures-to-veterinary-pharmaceuticals
#8
Suzanne Tomasi, Kristin J Roberts, Jason Stull, Henry A Spiller, Lara B McKenzie
OBJECTIVE: To describe the epidemiology of veterinary pharmaceutical-related exposures to children based on calls to a regional poison control center. METHODS: A retrospective analysis of pediatric (≤19 years of age) exposures to pharmaceutical products intended for animal use, managed by a regional poison control center from 1999 through 2013, was conducted. Case narratives were reviewed and coded for exposure-related circumstances and intended species. Descriptive statistics were generated...
February 6, 2017: Pediatrics
https://www.readbyqxmd.com/read/28153246/evaluation-of-bi-functionalized-mesoporous-silicas-as-reversed-phase-cation-exchange-mixed-mode-sorbents-for-multi-residue-solid-phase-extraction-of-veterinary-drug-residues-in-meat-samples
#9
Natalia Casado, Damián Pérez-Quintanilla, Sonia Morante-Zarcero, Isabel Sierra
A SBA-15 type mesoporous silica was synthesized and bi-functionalized with octadecylsilane (C18) or octylsilane (C8), and sulfonic acid (SO3(-)) groups in order to obtain materials with reversed-phase/strong cation-exchange mixed-mode retention mechanism. The resulting hybrid materials (SBA-15-C18-SO3(-) and SBA-15-C8-SO3(-)) were comprehensively characterized. They showed high surface area, high pore volume and controlled porous size. Elemental analysis of the materials revealed differences in the amount of C18 and C8...
April 1, 2017: Talanta
https://www.readbyqxmd.com/read/28140763/investigation-of-the-role-of-environmental-contamination-in-the-occurrence-of-residues-of-the-veterinary-drug-phenylbutazone-in-cattle
#10
Paul Barnes, Terence L Fodey, Wesley G Smyth, Steven R H Crooks
Phenylbutazone is a non-steroidal anti-inflammatory drug licensed for use in horses to treat musculoskeletal disorders. It is not permitted in the European Union for use in animals destined for the food chain. Official statistics provided by the European Food Safety Authority (EFSA) show that 0.18% of bovines tested in the European Union between 2008 and 2014 for non-steroidal anti-inflammatory drugs were non-compliant, with phenylbutazone representing over 28% of these. Anecdotal evidence suggests animals that have not been treated with the drug may have produced non-compliant samples, possibly through some form of contamination...
January 31, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28133869/diagnostic-microbiology-in-veterinary-dermatology-present-and-future
#11
REVIEW
Luca Guardabassi, Peter Damborg, Ivonne Stamm, Peter A Kopp, Els M Broens, Pierre-Louis Toutain
BACKGROUND: The microbiology laboratory can be perceived as a service provider rather than an integral part of the healthcare team. OBJECTIVES: The aim of this review is to discuss the current challenges of providing a state-of-the-art diagnostic veterinary microbiology service including the identification (ID) and antimicrobial susceptibility testing (AST) of key pathogens in veterinary dermatology. METHODS: The Study Group for Veterinary Microbiology (ESGVM) of the European Society of Clinical Microbiology and Infectious Diseases (ESCMID) identified scientific, technological, educational and regulatory issues impacting the predictive value of AST and the quality of the service offered by microbiology laboratories...
February 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28125722/antimicrobial-use-and-veterinary-care-among-agro-pastoralists-in-northern-tanzania
#12
Mark A Caudell, Marsha B Quinlan, Murugan Subbiah, Douglas R Call, Casey J Roulette, Jennifer W Roulette, Adam Roth, Louise Matthews, Robert J Quinlan
Frequent and unregulated use of antimicrobials (AM) in livestock requires public health attention as a likely selection pressure for resistant bacteria. Studies among small-holders, who own a large percentage of the world's livestock, are vital for understanding how practices involving AM use might influence resistance. We present a cultural-ecological mixed-methods analysis to explore sectors of veterinary care, loosely regulated AM use, and human exposure to AMs through meat and milk consumption across three rural to peri-urban Tanzanian ethnic groups (N = 415 households)...
2017: PloS One
https://www.readbyqxmd.com/read/28120478/potency-and-stability-of-compounded-formulations-of-chlorambucil-melphalan-and-cyclophosphamide
#13
J H Burton, H K Knych, S D Stanley, R B Rebhun
BACKGROUND: Oral chemotherapy agents are frequently compounded in veterinary medicine however, the potency of some formulations have been shown to vary from that of Food and Drug Administration (FDA)-approved products. AIMS: The objective of this study was to evaluate the potency and stability of three compounded oral chemotherapeutics commonly prescribed to be administered over time. MATERIALS & METHODS: Compounded chlorambucil 1 mg, cyclophosphamide 5 mg and melphalan 1 mg were obtained and for potency tested upon receipt and 6 weeks later...
January 25, 2017: Veterinary and Comparative Oncology
https://www.readbyqxmd.com/read/28118835/pilot-evaluation-of-a-novel-unilateral-onychectomy-model-and-efficacy-of-an-extended-release-buprenorphine-product
#14
RANDOMIZED CONTROLLED TRIAL
Masataka Enomoto, Patricia D Kigin, David Bledsoe, Robyn Slone, Jonathan Hash, Charles E Smith, B Duncan X Lascelles
BACKGROUND: Non-steroidal anti-inflammatory drugs (NSAIDs), transdermal fentanyl patches, and transmucosal buprenorphine are probably the most commonly used options for providing post-operative analgesia in the early at-home period. However, these require daily administration or are associated with abuse concerns. One of the significant unmet needs in veterinary surgery and pain management is for longer acting opioids for cats to effectively bridge the gap between the in-hospital and at-home recovery periods...
January 24, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28117638/analysis-of-lomustine-drug-content-in-fda-approved-and-compounded-lomustine-capsules
#15
Butch KuKanich, Matt Warner, Kevin Hahn
OBJECTIVE To determine the lomustine content (potency) in compounded and FDA-approved lomustine capsules. DESIGN Evaluation study. SAMPLE 2 formulations of lomustine capsules (low dose [7 to 11 mg] and high dose [40 to 48 mg]; 5 capsules/dose/source) from 3 compounders and from 1 manufacturer of FDA-approved capsules. PROCEDURES Lomustine content was measured by use of a validated high-pressure liquid chromatography method. An a priori acceptable range of 90% to 110% of the stated lomustine content was selected on the basis of US Pharmacopeia guidelines...
February 1, 2017: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/28108199/freedom-from-infection-confirming-interruption-of-malaria-transmission
#16
REVIEW
Gillian Stresman, Angus Cameron, Chris Drakeley
The global reductions in disease burden and the continued spread of drug and insecticide resistance make malaria elimination both viable and imperative, although this may be more easily achieved in some settings compared to others. Whilst the focus has been on optimal approaches to achieve elimination, less attention has been paid to how to measure the absence of malaria. Measuring the absence of transmission poses a specific challenge in that it involves proving a negative. The concept of freedom from infection, routinely used in veterinary epidemiology, can provide quantitative and reproducible estimates that, if infections were present above a predefined (low) threshold, they would be detected with a known uncertainty...
January 17, 2017: Trends in Parasitology
https://www.readbyqxmd.com/read/28107831/high-throughput-untargeted-screening-of-veterinary-drug-residues-and-metabolites-in-tilapia-using-high-resolution-orbitrap-mass-spectrometry
#17
Wei Jia, Xiaogang Chu, James Chang, Perry G Wang, Ying Chen, Feng Zhang
An analytical method was developed and validated for simultaneous analysis of one hundred and thirty-seven veterinary drug residues and metabolites from sixteen different classes in tilapia utilizing an improved fully non-targeted way of data acquisition with fragmentation. The automated on-line extraction procedure was achieved in a simple disposable pipet extraction. Ultrahigh-performance liquid chromatography and electrospray ionization quadrupole Orbitrap high-resolution mass spectrometry (UHPLC Q-Orbitrap) was used for the separation and detection of all the analytes...
March 8, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28105335/detection-of-stanozolol-in-the-urine-of-athletes-at-a-pg-level-the-possibility-of-passive-exposure
#18
Christina Tsitsimpikou, Konstantinos Tsarouhas, Demetrios A Spandidos, Aristides M Tsatsakis
Stanozolol is a synthetic heterocyclic steroid with anabolic and androgenic properties, which has been abused by several high-profile professional athletes. Stanozolol is also used in veterinary medicine to increase appetite, cause weight gain and treat certain types of anemia. The detection of stanozolol metabolites in human urine for doping control purposes depends on the analytical method applied. The most commonly applied methods in the World Anti-Doping Agency (WADA)-accredited doping control laboratories are gas chromatography/high-resolution mass spectrometry (GC/HRMS) or gas chromatography-mass spectrometry (GC/MS/MS)...
December 2016: Biomedical Reports
https://www.readbyqxmd.com/read/28094519/targeted-multiresidue-analysis-of-veterinary-drugs-in-milk-based-powders-using-liquid-chromatography-tandem-mass-spectrometry-lc-ms-ms
#19
James B Wittenberg, Kelli A Simon, Jon W Wong
An analytical method was developed and validated for the determination of 40 veterinary drugs in various milk-based powders. The method involves acetonitrile/water extraction, solid-phase filtration for lipid removal in fat-containing matrices, and analysis using liquid chromatography tandem mass spectrometry (LC-MS/MS). The limits of quantitation (LOQ) ranged from 0.02 to 82 ng/g. Acceptable recoveries (70-120%, RSD < 20%) were reached for 40 out of 52 target compounds at three fortification levels in non-fat milk powder...
January 17, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28093773/establishment-of-a-cell-line-for-assessing-drugs-as-canine-p-glycoprotein-substrates-proof-of-principle
#20
K L Mealey, S Dassanayake, N S Burke
P-glycoprotein (P-gp), encoded by the ABCB1 (MDR1) gene, dramatically impacts drug disposition. P-gp is expressed in the intestines, biliary canaliculi, renal tubules, and brain capillaries where it functions to efflux substrate drugs. In this capacity, P-gp restricts oral absorption, enhances biliary and renal excretion, and inhibits central nervous system entry of substrate drugs. Many drugs commonly used in veterinary medicine are known substrates for canine P-gp (vincristine, loperamide, ivermectin, others)...
January 17, 2017: Journal of Veterinary Pharmacology and Therapeutics
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