Role In Veterinary Medicine Research Articles

Semen Collection and Evaluation in Two Tigers (Panthera tigris) and Two Leopards (Panthera pardus).

Assisted reproduction techniques play a significant role in veterinary medicine, and although they are widely used in domestic animals, they are also becoming increasingly relevant in clinical practice for wild felids, especially in the conservation efforts for endangered species. In this study, the result of two semen collection techniques, urethral catheterization after pharmacological induction (Ur.Ca.P.I.) and electroejaculation, are described, aiming to provide new practical information about sperm collection using the Ur.Ca.P.I. technique and electroejaculation in tigers and leopards, describing the authors' experience and presenting new data and observations. The following descriptive study included two subjects of Panthera tigris species and two of Panthera pardus. These subjects, after general anesthesia, underwent sperm collection initially with Ur.Ca.P.I. and, subsequently, with electroejaculation. Sampling was made possible in both species thanks to the use of electroejaculation. Sperm volumes in leopards ranged from 0.3 to 0.5 mL and in tigers from 0.5 to 2.177 mL. Sperm concentration in leopards ranged from 136 × 106 to 280 × 106 sperm/mL, and in tigers, from 21.5 × 106 to 354 × 106 sperm/mL. Urethral catheterization gave positive results in leopards, with sperm volumes ranging from 25 up to 150 µL and a concentration ranging from 110 × 106 up to 1082 × 106 sperm/mL. In tigers, unlike in leopards, the use of the Ur.Ca.P.I. technique encountered difficulties that did not allow satisfactory results to be obtained. Therefore, it would be useful to test the feasibility of urethral catheterization on a larger group of individuals in order to have more meaningful feedback. Finally, because electroejaculation always allowed semen collection in tigers, with a higher sperm quality than samples collected by Ur.Ca.P.I., we currently consider it the technique of choice for the collection of semen material in this species.

Caring for those who care for our pets: veterinary social workers’ perceived role in veterinary medicine

ABSTRACT Seventy percent of homes have at least one pet with 83% of people referring to themselves as a pet-parent. Veterinary Social Workers provide clinical support to both owner and veterinary medical teams. This study focused on the exploration of social workers embedded in veterinary medicine settings. The researcher-created survey explored: (1) general characteristics of Veterinary Social Workers and practice settings; (2) Characteristics of client groups; (3) Description of the role and tasks; (4) overall mental health needs of clients; and (5) Veterinary Social Workers response to mental health needs. Suggestions for future research, and best practices for educating social work students/practitioners about animal-human informed practices are offered.

استخدام الاعشاب في العلاجات البيطرية لمواشي المربين المحليين

The herbs have a huge role in development of pharmacology besides the role of veterinary medicine in development of human medicine The study aimed to evaluate the therapeutic efficacy of pomegranate peel and leaves of both thuja and tobacco in 5 cows, 15 sheep and 15 goats were brought to veterinary clinics on the outskirts of Baghdad suffering from health problems in the skin, upper respiratory tract and digestive system. Cases were treated topically or orally as a powder, aqueous solution, or ointment. The results showed that 66% of cases were cured. The cure rate was related to the severity of the infection or lesion, course of treatment, routes of administration and herbal formula. Also, the results did not show any side effects of the herbal during the treatment period. Pour- on using of tobacco leaf infusion for lice-infected goats gave a better result than in sheep. The thuja and peels of pomegranate have proven to healing as an ointment for wounds, sores and blisters. Also, the aqueous solution or powder of thuja and peel of pomegranate have proven effective in reducing symptoms in the digestive system and upper respiratory disorders. Both ointments of thuja and pomegranate gave acceptable results for the treatment of warts (papilloma). Therefore, the farmer can use these herbs in emergencies. Recommendation is conducting more clinical veterinary studies on pomegranate, thuja, and tobacco leaves and their medicinal propriety. Thus, the field of veterinary medicine is the best field for reviving biopharmaceutical research and comparative medicine.

Benefits of Veterinary Herd Health Management on German Dairy Farms: Status Quo and Farmers' Perspective.

Veterinary Herd Health Management plays an important role in veterinary medicine on dairy farms and has also been mandatory at the European Union level since April 21, 2021. Despite the increasing importance of VHHM, little is known about the extent of utilization of VHHM by dairy farmers and their view on this type of collaboration. Therefore, this cross-sectional study aimed to determine the status quo of the currently practiced VHHM in Germany. For this purpose, an online survey was conducted among dairy farmers in November and December 2020. From 216 analyzed questionnaires, about half (n = 106) of the surveyed dairy farmers used VHHM at different scopes. However, regardless of the group, the term “veterinary herd health management” generally was given most relative importance by the participants as a veterinary service for herd fertility improvement, rather than the actual definition of a holistic approach. In contrast to this, the actual motivation of the VHHM participants, to take part in such a program was primarily based on the desire to safeguard animal health by employing preventive measures, that is, to avoid the occurrence of diseases via improved management and to improve farm performance (and profitability). Dairy farmers who opted for VHHM tended to manage larger higher yielding herds than those who did not. Additionally, the farmers in latter farms were more likely to make joint animal health decisions with their veterinarians. Using a latent class analysis, two groups of farmers among farms that were not currently using VHHM were identified, one of which expressed great interest in using VHHM while the other did not. Since the new legal basis makes the topic even more relevant than before, dairy farmers, animals, and veterinarians might benefit from the study to exploit hidden opportunities for VHHM collaboration.

In vivo Pharmacokinetic/Pharmacodynamic (PK/PD) Profiles of Tulathromycin in an Experimental Intraperitoneal Haemophilus parasuis Infection Model in Neutropenic Guinea Pigs.

Tulathromycin is a semi-synthetic macrolide antimicrobial that has an important role in veterinary medicine for respiratory disease. The objective of the study was to develop a pharmacokinetic/pharmacodynamic (PK/PD) model to examine the efficacy and determine an optimal dosage of tulathromycin intramuscular (IM) treatment against Haemophilus parasuis infection induced after intraperitoneal inoculation in neutropenic guinea pigs. The PKs of tulathromycin in serum and lung tissue after intramuscular administration at doses of 1, 10, and 20 mg/kg in H. parasuis-infected neutropenic guinea pigs were evaluated by liquid chromatography-tandem mass spectrometry (LC-MS/MS). The tulathromycin minimum inhibitory concentration (MIC) against H. parasuis was ~16 times lower in guinea pig serum (0.03 μg/mL) than in cation-adjusted Mueller-Hinton broth (CAMHB) (0.5 μg/mL). The ratio of the 168-h area under the concentration-time curve (AUC) to MIC (AUC168h/MIC) positively correlated with the in vivo antibacterial effectiveness of tulathromycin (R2 = 0.9878 in serum and R2 = 0.9911 in lung tissue). The computed doses to achieve a reduction of 2-log10 CFU/lung from the ratios of AUC72h/MIC were 5.7 mg/kg for serum and 2.5 mg/kg for lung tissue, which lower than the values of 13.2 mg/kg for serum and 8.9 mg/kg for lung tissue with AUC168h/MIC. In addition, using as objective a 2-log10 reduction and an AUC0−72h as the value of the PK/PD index could be more realistic. The results of this study could provide a solid foundation for the application of PK/PD models in research on macrolide antibiotics used to treat respiratory diseases.

Prostaglandin EP4 receptor mRNA expression in canine lymphoma.

Canine lymphoma (LSA) is a diverse, aggressive malignancy initiated by a variety of factors. Understanding those factors could help identify potential treatment options. Chronic inflammation drives lymphoma in human medicine and is suspected to play a role in veterinary medicine. The exact mechanisms, however, have not been elucidated. Upregulation of the cyclooxygenase enzymes, and subsequently prostaglandins, potentially play a stimulatory role. Prostaglandins work through one of four EP receptors (EP1-EP4) and the effects mediated through EP4R specifically are thought to be the primary drivers of cancer development. In human T-cell LSA, overexpression of EP4R has been found and appears to protect LSA cells from apoptosis. The role of EP4R in human B-cell LSA is more nuanced. This study aims to evaluate the mRNA expression of the EP4R gene (ptger4) in canine B-cell and T-cell LSA. Archived canine lymph nodes with histologically confirmed B-cell and T-cell LSA, and reactive lymph nodes, were evaluated for EP4R mRNA expression using a novel RNA in situ hybridization technique (RNAscope). Quantification of RNAscope signals was completed with an advanced digital pathology image analysis system (HALO). Results were reported as copy number, H-score, and percent tumour cell expression of EP4R mRNA. All reactive, B-cell LSA, and T-cell LSA lymph nodes expressed EP4R mRNA. The mRNA copy number, H-score, and percent tumour cell expression of EP4R were higher in B-cell (p < .003) and T-cell (p < .001) LSA samples compared to reactive lymph node samples. There were no differences between B-cell LSA and T-cell LSA.

Companion animal veterinarians' and veterinary clients' perceptions of information exchanged while communicating about blood tests.

Blood tests play a vital role in veterinary medicine, as they enable veterinarians to make decisions about their patients' medical care and provide opportunities to engage clients in veterinary care. The objective of this study was to explore perspectives of veterinary clients and veterinarians on current reporting practices for blood tests ordered in companion animal practice. The type of information communicated and client information seeking behaviours were examined. Two online surveys were distributed using snowball sampling: one targeting veterinary clients and one targeting veterinarians. In total, 529 veterinary client and 416 veterinarian surveys were included in analyses. Significant differences were found between what blood test information veterinarian respondents felt they provided clients and what client respondents perceived they received with regard to their pet's blood tests. Almost 60% of clients somewhat or strongly agreed that they search the Internet if they do not understand why a test was ordered or what the results mean. Half of clients reported that they never receive a written report of their pet's blood work, 81% of whom were interested in receiving a copy. Results of this research demonstrate opportunities to improve veterinarians' and clients' communication about blood tests.

The role of Veterinary Medicine and Veterinary Control Research Institutes in the food security and supply chains

İklimden ekonomiye, hemen her alanda hızla küreselleşen dünyada, aynı zamanda büyük bir sosyo-kültürel ve sosyo-ekonomik değişim yaşanmaktadır. Artan nüfus ve kentleşme, gıda da israf ve tekelleşme, kaynakların ve kırsal nüfusun azalması, kirlilik, hastalık ve zararlıların artması; yeterli ve sağlıklı gıdaya erişimi, her geçen gün zorlaştırmaktadır. Bu tehdit, tüm toplumların öncelikli sorunlarının başında gelmektedir. İşte bu süreçte, büyük ferasetle kurulan kurumlara ve tarihsel rollerine ihtiyaç duyuyoruz. Veteriner Kontrol Araştırma Enstitüleri, bu Kurumlarımızdan bazısı olup; bu çalışmamızda Cumhuriyetimizin kuruluş sürecindekine benzer şekilde, en çok gereksinim duyduğumuz gıda güvencesi ve arzındaki rolü hakkında, tarihe yazılı bir not düşmek arzusundayız. Gündemdeki SARS-CoV-2 (Covid-19) küresel salgının bizlere dikte ettiği, “üretimde kendi kendimize yeterlilik” gerçeği; en büyük ev ödevi olarak karşımızda durmaktadır. Bu gerekçelerimiz ve kurumsal rolümüzü, hakkıyla yerine getirme gaye ve gayretini bir kez daha ifade etme adına bu derlemeyi hazırlamış bulunmaktayız.

Flow Cytometry Analysis of dog Bone Marrow Stem Cell Surface Protein Expression

The present study aimed to study the Flow cytometry analysis of dog bone marrow stem cell surface protein expression. Five healthy mongrel dogs (3 male dogs and 2 female dogs). The dogs weight was (24 - 50 kg b.wt) and average age was ( 8 - 24 Months), the dogs examined against diseases. The dogs were completely sterilized against any external parasites or any external diseases. Flow cytometry analysis of the surface markers against the selected phenotypes following cell surface protein expression (CD44, CD29, CD73, CD90, CD105, CD166, CD271, CD45, CD34, CD13, and c-kit (all from BD Biosciences). BM-MSC at third passage were cultured in DMEM (Dulbecco’s Modified Eagle Medium) deprived of FCS (fetal calf serum), and supernatants were collected after 6 or 24 hours microvesicles. MVs purification was performed using the ExoQuick-TC exosome precipitation solution (ExoQuick; System Biosiences) and storage at −80°C until further use. It could be concluded that, the canine BM-MSCs play an important role in veterinary medicine and can help in treating many diseases and injury that the animals facing it, flow cytometery can help for analysis and identification of this cells, so it can be used easily for treating certain diseases and injuries. Our results provide fundamental information to enable for more reproducible and reliable quality control in the identification of canine BM-MSCs.

Biotechnological Potential of the Bacillus subtilis 20 Strain

Bacillus subtilis bacteria play an important role in veterinary medicine, medicine, and biotechnology, and the permanently growing demand for biotechnological products fuels the improvement of the properties of biotechnological strains. B. subtilis strains with improved characteristics maybe obtained by rational design and the directed evolution technologies, or be found among newly described strains. In the course of the long-term microbiome composition studies in the Russian segment of the International Space Station, the B. subtilis 20 strain was isolated, this strain shows the capacity for rapid growth and considerable biomass accumulation, as well as increased resistance to acidification of the environment in comparison to the "terrestrial" B. subtilis 168 strain. What is more, B. subtilis 20 is hyperresistant to the DNA and protein damaging factors that are linked to the overexpression of the genes controlling DNA repair, hydrogen sulfide production, and reactive oxygen species neutralization. The described properties of B. subtilis 20 are indicative of its considerable potential as a promising producer of biologically active compounds.

Role of Positron Emission Tomography in Imaging of Non-neurologic Disorders of the Head, Neck, and Teeth in Veterinary Medicine.

Positron Emission Tomography (PET) is an imaging technique that provides functional information, in addition to structural information obtained with computed tomography (CT). The most common application is cancer staging, using 18F-Fluorodeoxyglucose (18F-FDG), a radioactive analog of glucose. Although limited data are available in the veterinary literature, human studies have demonstrated benefit with the addition of PET both for assessment of the primary tumor and for detection of metastatic disease. 18F-FDG PET appears to be more accurate at detecting the margin of oral neoplasia, in particular for tumors arising from highly vascularized tissue, such as the lingual and laryngeal areas. 18F-FDG PET has a high sensitivity for the detection of lymph node metastasis, however the specificity is variable between studies. Tracers beyond 18F-FDG can also be used for oncology imaging. 18F-Fluoride (18F-NaF) is an excellent osseous tracer, useful in assessing bone involvement of primary tumors or osseous metastasis. Other specific tracers can be used to assess cell proliferation or hypoxia for tumor characterization. 18F-FDG is also an excellent tracer for detection of inflammation. Human studies have demonstrated its value for the assessment of periodontitis and dental implant infection. 18F-NaF has been used to assess disorders of the temporomandibular joint in the human literature, demonstrating good correlation with arthralgia and therapeutic outcome. Both 18F-NaF and 18F-FDG had good concordance with localization of cervical pain in people. PET will likely have a growing role in veterinary medicine not only for oncologic imaging but also for assessment of inflammation and pain.

The Effectiveness of Echinocandin Group Antimycotics in the Treatment of Systemic Aspegillosis and Candidiasis, and Its Role in Veterinary Medicine

İnsan ve hayvan sağlığı açısından fungal hastalıklar büyük sorun yaratmaktadır. Bu nedenle son kırk yılda pek çok antifungal üretilmiş ve sağlık alanında kullanıma başlanmıştır. İlaçların kullanımı ile birlikte dirençli mantar etkenlerinin ortaya çıkması sık kullanılan antimikotiklerin yerine alternatif ilaçların üretilmesini zorunlu kılmıştır. Bu derlemede, sistemik mikozlardan Candida spp. ve Aspergillus spp. tedavisinde uzun süredir kullanılan, polien ve azol grubu antifungallere alternatif olarak; veteriner hekimlikte ekinokandin grubu ilaçların kullanımının arttırılması yönünde bilinç uyandırmak amaçlanmıştır.

Fleas of dog and cat: species, biology and flea-borne diseases.

Ectoparasitic insects play a major role in veterinary medicine. Fleas infest man and animals and are the most frequent external parasites of companion animals worldwide. Some species are known to be vectors of zoonotic pathogens. Dogs and cats may play an important role either as reservoir of some of the pathogens or as transport vehicles for infected eas between their natural reservoirs and human beings, thus playing a crucial step in the transmission cycle of ea-borne diseases. This article reviews relevant literature on morphology, classi cation, host speci city, geographical distribution, and seasonality of eas infesting dogs and cats in order to improve their timely identi cation, prevention, and control.

Biology of procalcitonin and its potential role in veterinary medicine

Procalcitonin is the precursor of calcitonin hormone, produced by C cells of thyroid gland in physiological conditions. It is also produced in parenchymal cells of many tissues and leukocytes in pathological situations. In the normal condition, procalcitonin is converted by specific enzymes to the calcitonin. Therefore, it is amount in circulation is very low. On the contrary, it increases in the blood and tissue during diseases, because the procalcitonin produced in parenchymal cells cannot be converted to calcitonin. A great number of data has been documented about procalcitonin in human at the physiological and pathological conditions. Furthermore, productions, genetic regulation, kinetics, analysis methods, it is relation with cytokines and diseases have been studied extensively. Consequently, it is used as a reliable biomarker in human medicine, particularly for widespread bacterial infections. However, little is known about the implications in veterinary medicine. In terms of lightening the veterinary field, basic information and new findings on procalcitonin has been reviewed once more, although, quite a few studies have been conducted on procalcitonin in domestic or farm animals. The findings show that production and kinetics of procalcitonin in animals may be quite different, in both of the normal or pathologic conditions. It is not yet used as a biomarker in veterinary medicine. In addition, it has not yet been investigated whether it has an effect on reducing the antibiotics usage in animals.

A Phosphorylcholine-Containing Glycolipid-like Antigen Present on the Surface of Infective Stage Larvae of Ascaris spp. Is a Major Antibody Target in Infected Pigs and Humans.

BackgroundThe pig parasite Ascaris suum plays and important role in veterinary medicine and represents a suitable model for A. lumbricoides, which infects over 800 million people. In pigs, continued exposure to Ascaris induces immunity at the level of the gut, protecting the host against migrating larvae. The objective of this study was to identify and characterize parasite antigens targeted by this local immune response that may be crucial for parasite invasion and establishment and to evaluate their protective and diagnostic potential.Methodology/Principal FindingsPigs were immunized by trickle infection for 30 weeks, challenged with 2,000 eggs at week 32 and euthanized two weeks after challenge. At necropsy, there was a 100% reduction in worms recovered from the intestine and a 97.2% reduction in liver white spots in comparison with challenged non-immune control animals. Antibodies purified from the intestinal mucus or from the supernatant of cultured antibody secreting cells from mesenteric lymph nodes of immune pigs were used to probe L3 extracts to identify antibody targets. This resulted in the recognition of a 12kDa antigen (As12) that is actively shed from infective Ascaris L3. As12 was characterized as a phosphorylcholine-containing glycolipid-like antigen that is highly resistant to different enzymatic and chemical treatments. Vaccinating pigs with an As12 fraction did not induce protective immunity to challenge infection. However, serological analysis using sera or plasma from experimentally infected pigs or naturally infected humans demonstrated that the As12 ELISA was able to detect long-term exposure to Ascaris with a high diagnostic sensitivity (98.4% and 92%, respectively) and specificity (95.5% and 90.0%) in pigs and humans, respectively.Conclusions/SignificanceThese findings show the presence of a highly stage specific, glycolipid-like component (As12) that is actively secreted by infectious Ascaris larvae and which acts as a major antibody target in infected humans and pigs.

Maggot debridement therapy as primary tool to treat chronic wound of animals.

Maggot debridement therapy (MDT) is a safe, effective, and controlled method ofhealing of chronic wounds by debridement and disinfection. In this therapy live, sterile maggots of green bottle fly, Lucilia (Phaenicia) sericata are used, as they prefernecrotic tissues over healthy for feeding. Since centuries, MDT is used in humanbeings to treat chronic wounds. Lately, MDT came out as a potent medical aid in animals. In animals, although, this therapy is still limited and clinical studies are few. However, with the increasing antibiotic resistance and chronic wound infections in veterinary medicine, maggot therapy may even become the first line of treatment for some infections. This paper will present a brief discussion of MDT and its role in veterinary medicine that may add one more treatment method to utilize in non-healing wounds of animals and overcome the use of amputation and euthanasia. The objective of this review paper is to assemble relevant literature on maggot therapy to form a theoretical foundation from which further steps toward clinical use of maggot therapy in animals for chronic wounds can be taken.

The feline bile salt export pump: a structural and functional comparison with canine and human Bsep/BSEP

BackgroundThe bile salt export pump (BSEP/ABCB11) is the primary transporter for the excretion of bile acids from hepatocytes into bile. In human, inhibition of BSEP by drugs has been related to drug-induced cholestasis and subsequent cytotoxic effects. The role of BSEP in canine and feline liver diseases has not been studied in detail, but the same mechanism of inhibition by drugs as in humans could play a role in veterinary medicine. The aim of this study was to investigate the functional characteristics of feline Bsep in comparison with canine and human Bsep/BSEP with respect to substrate affinities and inhibitory potential of model drugs. Orthologs of all three species were cloned and cell membrane vesicles overexpressing feline, canine and human Bsep/BSEP were prepared for functional analyses.ResultsThe cDNA sequences of the open reading frames of feline, canine and human Bsep/BSEP showed a high similarity between the species. Functional studies demonstrated for all species a tendency to a higher affinity of BSEP/Bsep for the conjugated bile acid taurocholic acid (TCA) than glycocholic acid (GCA), and a higher affinity for GCA than for the unconjugated cholic acid (CA). The inhibitory potency of the model inhibitors cyclosporine A, troglitazone and ketoconazole was characterized against TCA uptake into BSEP/Bsep containing membrane vesicles. All three substances potently inhibited TCA uptake without significant species differences.ConclusionStructure and functional characteristics of cat, dog and human Bsep/BSEP appeared to be very similar, indicating that the properties of this transporter have been highly preserved among the different species. Therefore, inhibition of BSEP by drugs could also be a mechanism in cholestasis and liver disease in veterinary relevant animal species. This model could be used to predict drug-induced liver injury caused by BSEP inhibition at an early stage in veterinary drug development.

The Role of Veterinary Medicine in an Interdisciplinary Family Health Course

First-year students from five health professions colleges engaged in a team-taught interdisciplinary family health course located in a community-based setting. This descriptive account of their experiences describes the implications of interdisciplinary education for student learning with an emphasis on the health care concerns of the volunteer families and their companion animals that participated in the Interdisciplinary Family Health course. The authors underscore the potential of interdisciplinary course work for the enrichment of the educational process, with collaboration between veterinary and other health professions, including the disciplines of medicine, nursing, nutrition, pharmacy, physical therapy, dental, social work, and the larger community, by providing an emphasis on family health and companion-animal care.

Veterinary medicine, food security and the global environment

The authors focus on the role of veterinary medicine in feeding the nine billion people projected to inhabit the planet by 2050, despite the problems of global warming, political constraints and environmental destruction. Population growth, predominantly urban, will occur mainly in developing countries, at a magnitude comparable to creating a city the size of Los Angeles, the second largest city in the United States of America, every three weeks for the next 40 years. Accompanying this growth will be a greatly increased demand for animal protein. How this burgeoning demand can be met by intensive and extensive systems of animal production is discussed, with particular reference to the immensely important role that the veterinary profession and schools must play.

The pharmacogenomics of P‐glycoprotein and its role in veterinary medicine

Despite advancements in pharmacogenetics in human medicine, the incorporation of pharmacogenetics into veterinary medicine is still in its early stages of development. To date, efforts to understand the pharmacologic impact of genetic variation in veterinary species have largely focused on genes encoding for the membrane transporter, P-glycoprotein (P-gp). The emphasis on the role of P-gp is largely because of safety concerns associated with the use of some macrocyclic lactones in dogs. Because of the body of information available on this topic, we use P-gp as a platform for understanding the importance of population diversity in veterinary medicine. The impact of P-gp on drug pharmacokinetics and pharmacodynamics is considered, along with endogenous and exogenous factors that can modulate P-gp activity. The review includes discussion of how population diversity in P-gp activity can lead to susceptibility to certain diseases or alter patient response to environmental stress or pharmaceutical intervention. In addition, phenotypic diversity also needs to be considered, as demonstrated by the impact of P-gp up-regulation and drug resistance. The aim of this review was to set the stage for further exploration into the impact of genetic and phenotypic variability on drug pharmacokinetics, disease propensity, product formulation and drug response in both companion and food-producing animals.