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Canine parvovirus (CPV), canine coronavirus (CCoV) and canine rotavirus (CRV) are the three main causative viruses of diarrhea in dogs with similar clinical symptoms;thereby it is necessary to establish a high effective molecular detection method for differentiating the above pathogens. By optimizing the primer concentration and annealing temperature, a triple PCR method was established for simultaneous detection of CPV, CCoV and CRV, and then the specificity, sensitivity and repeatability of the method were tested. The results showed that the target fragments of CPV VP2 gene (253 bp), CCoV ORF-1b gene (379 bp) and CRV VP6 gene (852 bp) could be accurately amplified by the triple PCR method with high specificity, the detection limits of CPV, CCOV and CRV were 6.44x10-1 pg/L, 8.72x10-1 pg/L and 8.35x10-1 pg/L respectively with high sensitivity, and the method had good stability. Using this triple PCR method, 135 canine diarrhea fecal samples collected in Chengdu region from 2019 to 2020 were detected, and compared with those of single PCR method. The detection rates of CPV, CCoV and CRV were 16.30%, 20.74% and 4.44%, respectively, and the total infection rate was 51.11% (65/135) with 20.00% (13/65) co-infection rate. The detection results were consistent with three single PCR methods. In conclusion, CPV/CCoV/CRV triple PCR method successfully established in this paper can be applied as an effective molecular method to detection of related pathogens and to the epidemiological investigation.
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OBJECTIVE: To characterize clinical and epidemiologic features of SARS-CoV-2 in companion animals detected through both passive and active surveillance in the US. ANIMALS: 204 companion animals (109 cats, 95 dogs) across 33 states with confirmed SARS-CoV-2 infections between March 2020 and December 2021. PROCEDURES: Public health officials, animal health officials, and academic researchers investigating zoonotic SARS-CoV-2 transmission events reported clinical, laboratory, and epidemiologic information through a standardized One Health surveillance process developed by the CDC and partners. RESULTS: Among dogs and cats identified through passive surveillance, 94% (n = 87) had reported exposure to a person with COVlD-19 before infection. Clinical signs of illness were present in 74% of pets identified through passive surveillance and 27% of pets identified through active surveillance. Duration of illness in pets averaged 15 days in cats and 12 days in dogs. The average time between human and pet onset of illness was 10 days. Viral nucleic acid was first detected at 3 days after exposure in both cats and dogs. Antibodies were detected starting 5 days after exposure, and titers were highest at 9 days in cats and 14 days in dogs. CLINICAL RELEVANCE: Results of the present study supported that cats and dogs primarily become infected with SARS-CoV-2 following expo- sure to a person with COVID-19, most often their owners. Case investigation and surveillance that include both people and animals are necessary to understand transmission dynamics and viral evolution of zoonotic diseases like SARS-CoV-2.
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Background: In the past few decades the animal keeping culture and habits have changed a lot internationally, some animals have become family members. The COVID-19 pandemic has created an unprecedented situation in the world, including Hungary. In many places, the quarantine period was associated with Isolation and, therefore, an increase in the number of companion animals. Objectives: Our aims were to (1) survey the animal keeping culture and habits, (2) examine the motivation of the owners and (3) explore the attitudes about adoption, neutering, breeding and the use of livestock animals in Hungary. Materials and Methods: Specialized surveys were conducted among 843 persons through social media and personal interviews from 20 June to 30 August 2021 by using a questionnaire including 16 questions. The chosen groups were compared with Fisher's Exact test and Chi-square test. Results and Discussion: 97.0% of the respondents regard their dog as a family member. Nearly 25% of the respondents do not wish to neuter their dogs, because they want to breed the dogs or they find it unnecessary. The primary reason for cat keepers not to neuter their pet is the financial issue. Animal keepers and women are significantly more likely to consider their animal as a family member (p < 0.001). Men, the elderly, people who live in the countryside and those who have only elementary education think that neutering is of less importance (p < 0.001). Non-animal keepers, elderly people and men think more negatively about adoption. Buying an animal from a breeder is more important to the younger age groups (p < 0.001) arid those who live in Budapest (p < 0.01). 42.3% of the respondents gave the lowest evaluation scores to the assessment of the livestock units. Women, people from younger age groups (p < 0.05) and those who have higher education (p < 0.001) think more negatively about the use of farm animals. Non-animal keepers, the elderly and people of lower education consider the livestock animals' emotional intelligence lower (p < 0.05). Men (p < 0.001), people over 65 years of age (p < 0.001) and of lower education (p < 0:01), and also non-animal keepers (p < 0.001) accept significantly easier the use of livestock animals.
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Toxoplasmosis is a zoonotic illness that spreads from animals to people. Toxoplasma gondii, a protozoan parasite that infects warm-blooded mammals, causes the sickness. Toxoplasmosis is a parasitic infection that causes abortion and death in animals. Cats are the parasite's sole sexual hosts, thus they're the only ones who can get it. Because cats are frequent pets, they are highly likely to come into touch with humans. As a result, the disease poses a risk to human health. The potential danger is influenced by the frequency of oocyst secretion and the level of contamination in the environment. Toxoplasmosis has serious consequences for both animal and human health, hence preventative actions should be taken to reduce the dangers. COVID-19 is affected by such methods as well. Toxoplasmosis is thought to increase immunological and immunosuppressive factors, which increases the chance of SARS-CoV-2 infection and the severity of the resulting COVID-19. Research into Toxoplasma gondii intermediate hosts might help understand COVID-19's dynamics and determine if the virus can be transferred from animals to humans. We explore what we know about Toxoplasma gondii infection as a human parasitosis and how it may alter the course of SARS-CoV-2 infection in this review study.
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Incidences of major feline viral diseases provide basic information for preventing viral disease in cats. Despite the growing interest in feline viral diseases, sero-surveillances have been lacking. In this study, we analyzed the diagnoses of feline viral diseases and conducted a sero surveillance of feline panleukopenia virus (FPV), feline calicivirus (FCV), feline herpesvirus-1 (FHV-1), and feline infectious peritonitis virus (FIPV) in Korean cats. Of the 204 confirmed cases since 2015, the numbers of diagnoses for FPV, FIPV, FCV, feline influenza virus, and FHV-1 were 156, 32, 12, 3, and 1 case, respectively. In total, 200 sera, collected between 2019 and 2021, were screened for the presence of antibodies against FPV, 2 FCVs, FHV-1, and FIPV using a hemagglutination inhibition test and a virus-neutralizing assay (VNA). The overall seropositive rates in cats tested for FPV, the 2 FCVs, FHV-1, and FIPV were 92.5%. 42.0%, 37.0%, 52.0%, and 14.0%, respectively. A low correlation (r = 0.466) was detected between the VNA titers of 2 FCV strains. The highest incidence and seropositive rate of FPV reveal that FPV is circulating in Korean cats. The low r-value between 2 FCVs suggests that a new feline vaccine containing the 2 kinds of FCVs is required.
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Coinfection caused by bacteria, parasites, or viruses complicates almost all feline panleukopenia virus (FPV) infections. Pathogens that colonize the gastrointestinal tract, Clostridium perfingens, Clostridium piliforme, Cryptosporidium spp, Giardia spp, Tritrichomonas fetus, canine parvovirus type 2,Salmonella sp., feline coronavirus, feline bocavirus, and feline astrovirus were isolated in the presence of FPV infection. Complex mechanisms between viruses, bacteria, protozoa, and hosts contribute to the pathogenesis and severity of coinfection. Prompt and accurate diagnosis, vaccination precautions, and appropriate treatment play important roles in reducing morbidity and mortality. This article outlines the etiology, pathogenesis, diagnosis, prevention, and treatment that can help veterinarians and pet owners improve their knowledge of managing the diseases.
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Feline Infectious Peritonitis (FIP) is highly mortality disease in cats. The reliable and fast diagnosis is crucial to the best prognosis. The aim of this study to evaluate the hemogram profile in cats infected with effusive FIP. Twenty cats had been diagnosed effusive FIP at Animal Clinic Department of Internal Medicine, Faculty Veterinary Medicine, Universitas Gadjah Mada were used in the study. The diagnosis were based on clinical examination, ultrasound, x-ray, rivalta test, and rapid test. The hemogram profile were analyzed include routine hematology and serum biochemistry. Hemogram profile in effusive FIP showed the decreased hematocrit, hyperproteinemia, and leukocytosis with an average 22.9+or-7.4%;9.0+or-2.2 g/dL;22425+or-4116 cells/mm3 respectively. Erythrocyte, hemoglobin and fibrinogen levels were still in the normal range. The results of differential leukocytes revealed that 90% cats had neutrophilia and 75% lymphopenia with an average 20066+or-3337 cells/mm3 and 1861+or-1818 cells/mm3 respectively. The blood chemistry profile showed 60% of cats experienced increase in SGPT and SGOT with an average 138.4+or-72.3 IU/L and 101+or-60.5 IU/L respectively. Hyperglobulinemia was found in 90% samples with an average 6.7+or-0.8 g/dL. All cats have a low albumin:globulin ratio with an average 0.3+or-0.1. The hemogram profile of effusive FIP were: leukocytosis, neutrophilia, lymphopenia, hyperglobulinemia, and decreased albumin-globulin ratio..
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This paper describes the epidemiology, prevalence, transmission, prevention and control of some infectious diseases in companion animals, livestock, wild animals and humans in Ontario, Canada, in 2022, including SARS-CoV-2;Echinococcus multilocularis, Leishmania spp. and SARS-CoV-2;antimicrobial stewardship resources;2 cases of rabid dogs imported from Iran (July 2021 and January 2022);prevalence of extended-spectrum beta-lactamase (ESBL)-producing Enterobacteriacea, Dirofilaria immitis, Brucella canis, canine parainfluenza and adeno- and herpes viruses in dogs recently imported from Asia;Paragonimus kellicotti lung flukes and Streptococcus equi subsp. zooepidemicus in dogs;African swine fever in pet pigs, backyard pigs and wild pigs and blastomycosis in dogs and humans.
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The COVID 19 pandemic has caused an increase in the number of owned cats and dogs and the resulting increased demand for veterinarians and veterinary services. This has also caused increased work stress and performance issues by veterinarians. This paper describes how veterinarians can minimize work stress by modifying their schedule of medical activities in order to still maintain an ideal work life balance.
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Infectious peritonitis virus (FIPV) causes a fatal disease in cats. This virus occurs both in cats bred in households with optimal welfare and outdoor cats. Feline patients with the effusive form of disease usually survive a few days to weeks from the appearance of the first clinical signs. Cats with the non- effusive form survive for weeks to months. FIPV is caused by a mutation from feline enteric coronavirus (FECV). In our study, we diagnosed feline coronavirus from the feces of 82% of the tested cats. The persistence of the feline coronavirus in the organism is influenced by environmental factors, the genome of the host and the causative agent. Negative environmental conditions that increase the likelihood of FIPV disease are long-term stress, mainly more labile individuals and a high concentration of domesticated cats in one place. In the host, there are important factors such as immune system performance, age, breed and genetic background. In our study, we primarily verified the real time RT-PCR method for identifying the virus from the feces of 71 cats and subsequently gaine the valuable data on the dynamics of feline coronavirus excretion, primarily for epizootological purposes and for the purposes of genetic analyzes of susceptibility to infection.
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This paper describes the past and current knowledge regarding the physiopathology, clinical signs, diagnosis, treatment and prognosis of feline infectious peritonitis.
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The possession of exotic animals as pets is a social practice that has become more visible in Mexico in recent years, so it is interesting to understand its environmental and social implications and those related to human health. The present study aims to identify the main species of exotic animals kept as pets and the zoonotic diseases reported in these species. We analyzed official figures of seizures of exotic fauna in Mexico and reviewed specialized literature on zoonotic diseases documented in Mexico in these species. We identified zoonoses in species of fauna that can be acquired legally and illegally in the country, reported in environments in which animals coexist with other species and are in direct contact with people, which represents an important factor in the spread and propensity of this type of disease. We conclude that the sanitary regulation of wildlife markets, the monitoring and studying microorganisms associated with wildlife are valuable strategies to prevent the emergence of zoonoses.
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In order to develop monoclonal antibody against Feline infectious peritonitis virus (FIPV) S1 protein, the truncated S1 protein (rS1) was expressed through Escherichia coli and subsequently purified. Then BALB/c mice were immunized with purified rSl. Three hybridoma cell strains, named 2D7,3D8 and 5G1, stably secreting antibodies against rSl were obtained by cell fusion and indirect ELISA screening. The identification of antibody subtype showed that antibody subtypes of 2D7,5G1 and 3d8 strains were IgG2a,IgG2a and IgGl,respectively. And the light chain of those three hybridoma cell strains was Kappa. Result of karyotype identification of hybridoma cells showed that the chromosome numbers of those three hybridoma cells were about 102,101 and 103, which was belonged to the karyotype of hybridoma. The titer of ascites antibody for indirect ELISA was 1 : 204 800, and monoclonal antibodies were purified. Moreover, all of 2D7,3D8 and 5G1 could react with rS1 by Western-blot and FIPV in cells by IFA. These data suggest that three monoclonal antibodies against rSl with good activities were ideal materials in the study of early diagnosis of FIPV and the biological function of FIPV in the future.
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This paper describes the clinical signs and use of differential laboratory diagnostic techniques (computed tomography, cytology, histopathology, antigen/antibody detection and polymerase chain reaction) for infectious (viral, bacterial, fungal and parasitic) and non-infectious (inflammatory/immune mediated, neoplastic, cardiac, malformation, foreign body, smoke inhalation, aspiration of caustic material, non-cardiogenic, pulmonary oedema, traumativ, pneumothorax, pulmonary contusions and idiopathic) causes of respiratory diseases in cats and dogs in Ontario, Canada.
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One of the conformational issues by the explosion Of pet ownership throughout the COVID 19 pandemic is the Ming number dunes of brachycephalic obstructive envay syndrome (BOAS), which is a condition prevalent in some of the UK's most copular dog breeds The challenges the veterinary profession is not only to identify and treat affected individuals from within the population of dogs presenting to primary care clinicians, using surgical and non-surgical options but also to educate clients on how to recognise clinical signs of the disease as early as possible.
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Feline coronavirus (FCoV) belongs among pathogens with common occurrence in the cats population in the whole world. FCoV is ubiquitous in environments with a higher concentration of cats, e.g. in shelters, multicat households and kennels. FCoV primarily attacks the digestive feline tract, replicates in its cells and is excreted in the feces to surroundings of permanently or transiently infected cats. The aim of the study was the detection of FCoV in the feces of newly admitted cats to the shelter by the qPCR method and by means of commercial rapid immunochromatographic (antigen) tests from three different producers. For each of the antigen tests, sensitivity and specifity were determined by comparison with the qPCR analysis result. Out of 70 examined fecal samples, viral RNA was by the qPCR analysis identified in 44 samples (62.9%). Neither the age nor the gender of cats played a significant role in the viral excretion. Found sensitivity of the antigen tests was at a low (< 35%;tests A and C) to a satisfactory level (> 50%, test B). The number of viral particles in the samples determined by the qPCR method did not correlate significantly with the result of the antigen tests. The results of this study suggest that the use of rapid antigen tests for routine screening of FCoV shedding in feline shelters is limited due to the high rate of false-negative results.
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Domestic and wild dogs of all ages and breeds are susceptible to Canine Coronavirus(CCoV) infections and be seen in T..rkiyeand amongst world. CCoV has recently been declared a zoonotic disease agent and the eighth pathogenic human coronavirus. This study was conducted on 143 naturally infected dogs with gastroenteritis which were not vaccinated against CCoV in T..rkiye in 2015-2020. The data of dogs were analyzed seroepidemiologically, clinicopathologically and statistically. CCOV antibodies in serum and CCOV antigens in stool were detected by ELISA and lateral immunochromatography. The rising CCoV IgG antibody titers were detected at all dogs and were as follows;<10 ng/L in 3 (2%), 10-20 ng/L in 18 (13%), 20-30 ng/L in 16 (11%), 30-40 ng/L in 14 (%10), 40-64 ng/L in 11 (8%) and >64 ng/L in 81 (81%) dogs. CCOV and Canine Parvovirus (CPV) antigen were detected together in the stool of the 41 (28.7%) dogs. As a result, it was concluded that the CCOV agent is in circulation among dogs living in T..rkiye. CCOV and CPV can cause co-infections and increased mortality. Although infection can be seen in dogs of all ages, it can be seen more frequently in dogs younger than 1 year of age, and especially in dogs younger than 6 months, and can cause enteritis, low hemoglobin, erythropenia, lymphopenia, leukopenia, thrombocytopenia, and hypoproteinemia.
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This paper describes the pathogenesis and immunology of Macaca mulatta, Macaca fascicularis, ferrets, Syrian golden hamsters (Mesocricetus auratus), mice, cats, mink, pigs and rabbits used as models for SARS-CoV-2 infection.
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Auckland Island, the fifth largest island in New Zealand, is the only island in New Zealand's subantarctic region where introduced mammalian pests remain (pigs, Sus scrofa;mice, Mus musculus;cats, Felis catus). The island has unique biodiversity and is a key site for progressing New Zealand's goal to be free of several introduced predators by 2050. Recent island eradication successes have rekindled interest in eradicating pests from Auckland Island, and for the first time considering all three pests in one project. Over a 3-year period, we tested the feasibility of eradicating pigs, mice and cats by looking at what it would take to succeed, rather than what we could practically deliver with the tools we currently have. We proposed adaptations to current methods and used an evidence-based approach by undertaking large-scale field trials to test uncertainties and emerging technologies in-situ. We gathered data and evaluated proposed methods against five established principles of eradication while considering the logistics and infrastructure requirements of the project. Eradicating pigs, mice and cats from Auckland Island is worthwhile and feasible but dependent on further development of emerging technologies and capabilities for efficient delivery with an acceptable level of risk. Three eradication operations are required with specific sequencing and timing, supported by initial establishment of infrastructure. The project needs a large investment spread over 8 to 10 years to yield permanent and internationally important benefits with low ongoing cost to sustain. The feasibility study exposed the project's scale and was used to inform decision makers, who postponed the work in 2020 in response to the economic impacts of COVID-19. The study focusses future preparations on identified planning issues and dependencies to progress project readiness in anticipation of it being launched when economic conditions allow.