Уточнить поиск
Результаты 501-510 из 677
Forensic analysis of toxic substances in fatalities with suspected companion animal cruelty Полный текст
2023
Kang, J.W. | Kim, A.Y. | Chae, H.Y. | Lim, H.A. | Kim, S.C. | Ku, B.K. | Lee, K.H.
The increasing prevalence of toxic substance-exposure in pets in South Korea endangers the health and safety of numerous companion animals, and has become a cause for concern. Notably, the annual incidence of forensic analysis in pets has increased by more than 150% in South Korea, mainly in populous regions such as Seoul, Incheon, and Gyeonggi. In response to this growing issue, veterinary forensic examinations were conducted on 549 dogs and cats from 2019 to 2022. This study revealed the presence of various toxic substances, including pesticides, insecticides, and drugs such as analgesics, anesthetics, antidepressants, and muscle relaxants, in pets. Among the 38 different toxins identified in pets, coumatetralyl, methomyl, terbufos, and buprofezin were the most frequently detected. In this study, toxic substances for pets were identified based on the “toxic agent list for humans,” developed by the National Forensic Services, because no list of toxic agents for animals currently exists and data regarding potentially toxic substances for dogs and cats is limited. This is one of the limitations of this study, and necessitates the establishment of a toxic agent list for animals. Continued monitoring and research is also recommended to reveal the incidence, causes, and solutions of toxicity in animals.
Показать больше [+] Меньше [-]Establishment of withdrawal time and analysis of tiamulin residue in tissues of orally dosed broiler chickens Полный текст
2023
Kim, W.H. | Kim, J.Y. | Park, K.I. | Jin, Y.B. | Kim, S. | Lee, H.J.
This study was conducted to investigate tiamulin (TML) residues in the edible tissues of orally dosed broiler chickens and to re-establish the withdrawal time (WT). Thirty-six healthy Ross broiler chickens were administered 0.5 (TML-1) and 2.5 kg (TML-2) per ton feed, respectively, of the drug containing TML 78 g/kg for 10 days. Twenty-four tissue samples were collected from 6 chickens in each of the TML-1 and TML-2 groups on 0, 1, 3, and 5 days after drug administration, respectively. The residual concentrations of TML were measured using liquid chromatography-tandem mass spectrometry (LC-MS/MS). The correlation coefficient of the calibration curves was 0.9978 to 0.9998, and the limits of detection and the limits of quantification (LOQ) were in the range of 0.03 to 0.06, and 0.1 to 0.2 µg/kg, respectively. Recoveries ranged between 89.0% to 116.7%, and the coefficients of variation were less than 13.9%. After the drug administration, TML in the TML-1 and TML2 groups was detected above the LOQ in 1 and 6 samples of liver, respectively, at day 0, and in 1 liver sample from both groups on day one. At 3 days after administration, TML was detected below the LOQ in all samples of TML-1 and TML-2. The calculated WT of TML in both TML-1 and TML-2 using the WT calculation program WT 1.4 was 0 days. In conclusion, the developed analytical method is suitable for detection, and the calculated WT of TML in poultry edible tissues is shorter than the current recommended WT of 7 days for TML in broiler chickens.
Показать больше [+] Меньше [-]Anticancer effect of metformin alone and in combination with 2-deoxy-D-glucose on mouse T cell lymphoma EL4 cells Полный текст
2023
Kim, S.Y. | Joo, H.G.
Metformin is a treatment used widely for non-insulin-dependent diabetes mellitus with few side effects and acts by inhibiting hepatic gluconeogenesis and glucose absorption from the gastrointestinal tract. Lymphoma is one of the most common hematological malignancies in dogs. Chemotherapy is used mainly on lymphoma, but further research on developing anticancer drugs for lymphoma is needed because of its severe side effects. This study examined the anticancer effects of metformin alone and in combination with 2-deoxy-D-glucose (2-DG), a glucose analog, on EL4 cells (mouse T cell lymphoma). Metformin reduced the metabolic activity of EL4 cells and showed an additive effect when combined with 2-DG. In addition, cell death was confirmed using a trypan blue exclusion test, Hochest 33342/propidium iodide (PI) staining, and Annexin V/PI staining. An analysis of the cell cycle and mitochondria membrane potential (MMP) to investigate the mechanism of action showed that metformin stopped the G2/M phase of EL4 cells, and metformin + 2-DG decreased MMP. Metformin exhibited anticancer effects as a G2/M phase arrest mechanism in EL4 cells and showed additive effects when combined with 2-DG via MMP reduction. Unlike cytotoxic chemotherapeutic anticancer drugs, metformin and 2-DG are related to cellular glucose metabolism and have little toxicity. Therefore, metformin and 2-DG can be an alternative to reduce the toxicity caused by chemotherapeutic anticancer drugs. Nevertheless, research is needed to verify the in vivo efficacy of metformin and 2-DG before they can be used in lymphoma treatments.
Показать больше [+] Меньше [-]Peritoneal lymphomatosis with pleural and peritoneal effusions in a dog: a case report Полный текст
2023
Kang, M.J. | Bae, H.A. | Jung, R.K. | Kim, M.J. | Cha, S.M. | Hwang, T.S. | Lee, H.C. | Jung, D.I. | Cho, K.W. | Yu, D.H.
Peritoneal lymphomatosis (PL) is a rare lymphoid neoplasm in dogs. A nine-yearold spayed female Labrador retriever presented with pleural and peritoneal effusions. Diagnostic imaging revealed diffuse nodular to massive lesions in the mesentery, particularly in the caudal abdomen. While the superficial lymph nodes did not show significant changes, enlargement was observed in the intra-abdominal and intra-thoracic lymph nodes. Cytological and flow cytometric analyses of the effusion indicated the presence of large B-cell lymphocytes expressing CD3⁻/CD5⁻/ CD14⁻/CD21⁻/CD34⁺/CD45⁺/CD79a⁺. PL was diagnosed using diagnostic imaging and fluid analysis. This case report highlights the clinical and diagnostic features of canine PL.
Показать больше [+] Меньше [-]Veterinary management protocol for non-human primates: quarantine, anesthesia, and postoperative care for mastoidectomy at animal research institutions Полный текст
2023
Lee, Y.B. | Jo, W.R. | Jeong, E.S. | Kang, T.K. | Lee, G.H.
Non-human primate (NHP) research faces challenges due to zoonosis risk and complex veterinary management yet lacks standardized guidelines for animal care. Therefore, we developed an advanced veterinary management protocol for NHP quarantine, anesthesia, and postoperative care. Three female 4 to 5-year-old cynomolgus monkeys were anesthetized and underwent various tests, including body weight, temperature, blood tests, urinalysis, microbiological monitoring, and physical and dental examinations. Ivermectin and medicated baths were administered to eradicate ectoparasites and endoparasites, and testing was repeated 30 days later. Following quarantine, we performed computed tomography and anesthesia maintenance for mastoidectomy. To relieve pain and maintain body weight, we administered tramadol intramuscularly 4 times/day for 3 days and meloxicam subcutaneously twice daily for 14 days. Feed replacements were provided. During the 33-day quarantine period, physical examinations revealed no abnormalities indicative of infectious diseases, and no specific clinical symptoms were observed. Through a preliminary test of anesthesia time, we selected ketamine 4 mg/kg + medetomidine 50 µg/kg for short experiments such as computed tomography, and ketamine 8 mg/ kg + medetomidine 50 µg/kg for intubation. Ten days after mastoidectomy, NHPs consumed 100 kcal/kg and recovered their body weight. This study offers advanced veterinary management guideline for NHP research. Such protocols can lead to more standardized and ethical practices in NHP research, thereby enhancing the quality of studies on NHPs and the translation of findings to human health and disease.
Показать больше [+] Меньше [-]Status of selected feline infectious diseases in Gwangju, Korea Полный текст
2023
Choi, J.Y. | Ahn, K.S. | Ahn, A.J. | Shin, S.S.
From 2008 to 2017, blood samples from 280 and fecal samples from 149 stray cats in Gwangju, South Korea, were examined for feline immunodeficiency virus (FIV), feline leukemia virus (FeLV), Dirofilaria immitis, and Giardia infections using commercial diagnostic tests. Overall, the combined prevalence of FeLV, FIV, D. immitis, and Giardia was 8.6%, 1.4%, 0.4%, and 2.0%, respectively. FeLV exhibited the highest prevalence rate among the 4 pathogens surveyed, both in the 2008–2009 (9.6%) and 2015–2017 (6.3%) surveys. The results of the feline Giardia study represent the first prevalence report of Giardia infection among stray cats in Korea.
Показать больше [+] Меньше [-]Acknowledgement to reviewers Полный текст
2023
Editorial Office
no abstract available
Показать больше [+] Меньше [-]Contagious caprine pleuropneumonia: A review of the global situation with a special reference to Oman Полный текст
2023
Haytham Ali | Aida Altubi | Mahmoud El-Neweshy | Elshafie Elshafie
Contagious caprine pleuropneumonia (CCPP) is a severe infectious disease caused by Mycoplasma capricolum subsp. capripneumoniae (Mccp) and infects goats, sheep, and wild ruminants. CCPP is characterized by high morbidity and mortality rates reaching up to (100% and 80%), respectively. The disease affects goat farming around the globe in more than 30 countries, particularly in Asia, the Middle East, and Africa. CCPP is manifested in peracute, acute, or chronic forms. The general characteristic clinical signs of the disease are rapid, painful, and labored respiration, dyspnea, nasal discharge, coughing, hyperthermia (41°C), anorexia, emaciation, and abnormal posture. Lesions induced by CCPP are restricted to the pleural cavity in the form of unilateral serofibrinous, pleuropneumonia, accumulation of fluid in the chest cavity, lung congestion, hepatization, formation of adhesion to the pleural coastal, and swollen mediastinal and bronchial lymph nodes. Disease diagnosis encompasses a range of methods, including bacterial culture, isolation, and identification, pathological, serological, and molecular tests. The present review provides an overview of the historical perspective, epidemiological factors, and recommended diagnostic and control strategies for CCPP in Oman.
Показать больше [+] Меньше [-]Enteric Protozoal infections in Camels: Etiology, Epidemiology, and Future perspectives Полный текст
2023
Eman Noaman | Mona Mahmoud | Akram Salama | Adel El-Kattan | Ali Dawood | Ahmed Elsify | Walid Mousa | Ahmed Elkhtam | Ahmed Zaghawa | Mohamed Nayel
Camels have great potential as a safety valve for current and future food security for pastoralists, agropastoralists, and urban populations. Enteric protozoal diseases are important causes of economic losses in camels; however, they are poorly concerned globally. The most common members of enteric protozoa are Balantidium, Eimeria, Giardia, and Cryptosporidium. Some of them threaten human health as humans can be infected by consuming food or water contaminated with camel feces, particularly in poor communities with inadequate sanitation and low-quality healthcare facilities. For these reasons, a comprehensive and careful investigation was conducted on some enteric protozoal diseases of camels to present an updated insight into the etiology, epidemiology, and future trends in diagnosing and controlling camel enteric protozoa. Future studies on the camel enteric protozoa should be carried out to develop advanced diagnostic approaches in diverse farm animal species. Moreover, the protozoan zoonotic potential should be considered to secure human health
Показать больше [+] Меньше [-]Effectiveness of standardized red orange extract (Citrus sinensis) for weight reduction in canine obesity. Полный текст
2023
Emerson Milla | Ivo Kerppers
Obesity is the most common nutritional disease in both humans and dogs, currently characterized as a low-intensity inflammatory state. The anthocyanins found in red oranges can assist in combating weight gain and reducing body fat accumulation by reducing lipogenesis and modulating inflammation. This study aimed to compare the effectiveness of standardized dried red orange extract in reducing overweight in obese dogs compared to chromium picolinate and a placebo. In total, 23 animals were used in the current study and divided randomly into three experimental groups. All dogs received the same hypocaloric diet and supplementation: standardized Citrus sinensis red-orange extract (G1, n=9), chromium picolinate (G2, n=7), and a placebo-control group (G3, n=7). The dogs were managed by their owners for 90 days. In the distribution of the body condition score (BCS) determined at the beginning of the study, 47.8% of the animals had BCS of 6; 26.1% had BCS of 7; 8.7% had BCS of 8, and 17.4% had BCS of 9. During the program, most of the owners reported being unable to involve other residents of their households in the dogs\' treatment. At the end of the experiment, the G1 group had a significant reduction in weight and BCS (p
Показать больше [+] Меньше [-]