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Asma Idress M, Deepa PM, Rathish RL, Vinodkumar K, Pradeep M. Diagnostic efficacy of urinary neutrophil gelatinase-associated lipocalin and kidney injury molecule-1 for early detection of acute kidney injury in dogs with leptospirosis or babesiosis. Vet Res Commun 2024:10.1007/s11259-024-10416-x. [PMID: 38809503 DOI: 10.1007/s11259-024-10416-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Accepted: 05/15/2024] [Indexed: 05/30/2024]
Abstract
This study evaluates the diagnostic efficacy of urinary biomarkers, Neutrophil Gelatinase-Associated Lipocalin (uNGAL), and Kidney Injury Molecule-1 (uKIM-1), in identifying Acute Kidney Injury (AKI) in dogs affected with leptospirosis or babesiosis. Acute kidney injury was diagnosed based on the increase in serum creatinine levels above 0.3 mg/dL within 48 h and dogs were categorized according to AKI grades based on International Renal Interest Society guidelines. Traditional biomarkers (serum creatinine and blood urea nitrogen) and novel biomarkers like urinary NGAL and urinary KIM-1 levels were measured and compared to concentrations obtained in control dogs. Statistical analysis assessed significant differences (P < 0.01) across AKI grades, specifically noting elevated urinary NGAL and KIM-1 in IRIS grade I AKI (P < 0.001). The study highlights the diagnostic significance of urinary NGAL and KIM-1 as early indicators of renal damage, particularly valuable in non-azotemic AKI cases, offering promising markers for early AKI diagnosis in veterinary clinical settings. These biomarkers demonstrate clinical utility and underscore their potential for improving AKI management in veterinary medicine. Further validation studies involving larger cohorts and diverse etiologies of AKI are needed to confirm the diagnostic accuracy and clinical utility of urinary NGAL and KIM-1 in veterinary practice.
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Affiliation(s)
- M Asma Idress
- Department of Veterinary Epidemiology and Preventive Medicine, College of Veterinary and Animal Sciences, Kerala Veterinary and Animal Sciences University, Pookode, Wayanad, Kerala, India
| | - P M Deepa
- Department of Veterinary Epidemiology and Preventive Medicine, College of Veterinary and Animal Sciences, Kerala Veterinary and Animal Sciences University, Pookode, Wayanad, Kerala, India.
| | - R L Rathish
- Department of Veterinary Epidemiology and Preventive Medicine, College of Veterinary and Animal Sciences, Kerala Veterinary and Animal Sciences University, Pookode, Wayanad, Kerala, India
| | - K Vinodkumar
- Department of Veterinary Epidemiology and Preventive Medicine, College of Veterinary and Animal Sciences, Kerala Veterinary and Animal Sciences University, Mannuthy, Pookode, Wayanad, Kerala, India
| | - M Pradeep
- Department of Veterinary Pathology, College of Veterinary and Animal Sciences, Kerala Veterinary and Animal Sciences University, Pookode, Wayanad, Kerala, India
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Kumar B, Maharana BR, Thakre B, Brahmbhatt NN, Joseph JP. 18S rRNA Gene-Based Piroplasmid PCR: An Assay for Rapid and Precise Molecular Screening of Theileria and Babesia Species in Animals. Acta Parasitol 2022. [PMID: 36178614 DOI: 10.1007/s11686-022-00625] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
PURPOSE The parasites of genera such as Babesia and Theileria are called piroplasmids due to the pear-shaped morphology of the multiplying parasite stages in the blood of the vertebrate host. Because of the enormous number of parasite species and the challenges of multiplex PCR, initial screening of samples using piroplasmid-specific PCR may be a more cost-effective and efficient technique to identify parasite species, especially during epidemiological studies. Accordingly, 18S rRNA PCR was standardized and optimized on common piroplasmids of different animals like cattle, buffaloes, sheep, goats, dogs, horses, and leopards. METHODS Bloods samples from 1250 animals were collected from different animals in Junagadh district of Gujarat, India. 18S rRNA PCR was standardized and optimized as a primary method for molecular screening of piroplasms in domestic and wild animals. The method was checked for its analytical sensitivity and specificity. Parasite species-specific PCR and sequencing was used to validate the test. Moreover, in-silico restriction enzyme (RE) analysis was also done to assess its applicability in PCR-RFLP. RESULTS Piroplasm infections were recorded in 63.3% of animals in Junagadh. The 18S rRNA PCR detected the piroplasmid DNA in as low as 39 picograms (pg) of whole blood genomic DNA isolated from microscopically Theileria positive blood samples and no reactivity was recorded from common but unrelated haemoparasites viz., Trypanosoma evansi, Hepatozoon spp., Anaplasma spp., and Ehrlichia canis was observed. The 18S rRNA PCR assay findings were confirmed by species-specific PCR and sequencing. Analysis of different sequences generated using 18S rRNA PCR revealed that the amplicon size of Babesia spp. is nearly 400 bp (393-408 bp) whereas Theileria spp. were more than 400 bp (418-424 bp). The percentage of sequence divergence among Babesia and Theileria spp. was 7.3-12.2% and 0.7-12.2%, respectively. In-silico restriction enzyme (RE) analysis reveals the presence of at least one site for a commercially available RE in 18S rRNA fragments of every parasite, which can differentiate it from its congeners. CONCLUSIONS The presented universal oligonucleotide-based PCR assay provides a highly sensitive, specific, cost-effective, and rapid diagnostic tool for the initial screening of piroplasmids infecting domestic and wild animals and is potentially helpful for large-scale epidemiological studies.
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Affiliation(s)
- Binod Kumar
- Department of Veterinary Parasitology, College of Veterinary Science and Animal Husbandry, Kamdhenu University, Junagadh, Gujarat, 362001, India.
| | - Biswa Ranjan Maharana
- Referral Veterinary Diagnostic and Extension Centre, LUVAS, Uchani, Karnal, 132001, India
| | - Bhupendrakumar Thakre
- Department of Veterinary Parasitology, College of Veterinary Science and Animal Husbandry, Kamdhenu University, Junagadh, Gujarat, 362001, India
| | - Nilima N Brahmbhatt
- Animal Diseases Diagnostic Laboratory, Veterinary Clinical Complex, College of Veterinary Science and Animal Husbandry, Kamdhenu University, Junagadh, Gujarat, 362001, India
| | - Joice P Joseph
- Department of Veterinary Medicine, College of Veterinary Science and Animal Husbandry, Kamdhenu University, Junagadh, Gujarat, 362001, India
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Yin F, Mu D, Tian Z, Li D, Ma X, Wang J, Guan G, Yin H, Li F. First Report of Babesia gibsoni in Cats in China. Animals (Basel) 2022; 12:ani12223066. [PMID: 36428294 PMCID: PMC9686484 DOI: 10.3390/ani12223066] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/03/2022] [Accepted: 11/04/2022] [Indexed: 11/09/2022] Open
Abstract
As there are few studies of Babesia spp. infection in cats in China, or anywhere in the world, the aim of this study was to explore the epidemic features of babesiosis in pet cats in China. In total, 429 blood samples were randomly collected in four different geographical regions. The 18S rRNA gene fragment of Babesia spp. was amplified by nest polymerase chain reaction (PCR), and haplotype and phylogenetic analysis of Babesia were performed to analyze the relationship of this protozoa. The total positive rate of infection was 2.8%. BLAST analysis indicated that Babesia gibsoni was detected in 12 cats. Among these, 4.3%, 3.1%, 0.8% and 2.0% were from Chongqing, Fujian, Hubei and Shandong, respectively. Haplotype and phylogenetic analysis showed that there were nine haplotypes and no obvious genetic variation among B. gibsoni populations. This is the first report of B. gibsoni in cats in China. These findings will be helpful for understanding the epidemiology of Babesia spp. in China, and provide a foundation for developing effective preventative strategies.
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Affiliation(s)
- Fangyuan Yin
- College of Veterinary Medicine, Southwest University, Chongqing 400715, China; (F.Y.); (D.M.); (Z.T.); (D.L.); (X.M.)
| | - Daoe Mu
- College of Veterinary Medicine, Southwest University, Chongqing 400715, China; (F.Y.); (D.M.); (Z.T.); (D.L.); (X.M.)
| | - Zhuojia Tian
- College of Veterinary Medicine, Southwest University, Chongqing 400715, China; (F.Y.); (D.M.); (Z.T.); (D.L.); (X.M.)
| | - Dong Li
- College of Veterinary Medicine, Southwest University, Chongqing 400715, China; (F.Y.); (D.M.); (Z.T.); (D.L.); (X.M.)
| | - Xiting Ma
- College of Veterinary Medicine, Southwest University, Chongqing 400715, China; (F.Y.); (D.M.); (Z.T.); (D.L.); (X.M.)
| | - Jinming Wang
- State Key Laboratory of Veterinary Etiological Biology, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Science, Lanzhou 730046, China; (J.W.); (G.G.)
| | - Guiquan Guan
- State Key Laboratory of Veterinary Etiological Biology, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Science, Lanzhou 730046, China; (J.W.); (G.G.)
| | - Hong Yin
- State Key Laboratory of Veterinary Etiological Biology, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Science, Lanzhou 730046, China; (J.W.); (G.G.)
- Correspondence: (H.Y.); (F.L.)
| | - Facai Li
- College of Veterinary Medicine, Southwest University, Chongqing 400715, China; (F.Y.); (D.M.); (Z.T.); (D.L.); (X.M.)
- Correspondence: (H.Y.); (F.L.)
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18S rRNA Gene-Based Piroplasmid PCR: An Assay for Rapid and Precise Molecular Screening of Theileria and Babesia Species in Animals. Acta Parasitol 2022; 67:1697-1707. [PMID: 36178614 PMCID: PMC9523193 DOI: 10.1007/s11686-022-00625-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Accepted: 09/20/2022] [Indexed: 11/12/2022]
Abstract
Purpose The parasites of genera such as Babesia and Theileria are called piroplasmids due to the pear-shaped morphology of the multiplying parasite stages in the blood of the vertebrate host. Because of the enormous number of parasite species and the challenges of multiplex PCR, initial screening of samples using piroplasmid-specific PCR may be a more cost-effective and efficient technique to identify parasite species, especially during epidemiological studies. Accordingly, 18S rRNA PCR was standardized and optimized on common piroplasmids of different animals like cattle, buffaloes, sheep, goats, dogs, horses, and leopards. Methods Bloods samples from 1250 animals were collected from different animals in Junagadh district of Gujarat, India. 18S rRNA PCR was standardized and optimized as a primary method for molecular screening of piroplasms in domestic and wild animals. The method was checked for its analytical sensitivity and specificity. Parasite species-specific PCR and sequencing was used to validate the test. Moreover, in-silico restriction enzyme (RE) analysis was also done to assess its applicability in PCR–RFLP. Results Piroplasm infections were recorded in 63.3% of animals in Junagadh. The 18S rRNA PCR detected the piroplasmid DNA in as low as 39 picograms (pg) of whole blood genomic DNA isolated from microscopically Theileria positive blood samples and no reactivity was recorded from common but unrelated haemoparasites viz., Trypanosoma evansi, Hepatozoon spp., Anaplasma spp., and Ehrlichia canis was observed. The 18S rRNA PCR assay findings were confirmed by species-specific PCR and sequencing. Analysis of different sequences generated using 18S rRNA PCR revealed that the amplicon size of Babesia spp. is nearly 400 bp (393–408 bp) whereas Theileria spp. were more than 400 bp (418–424 bp). The percentage of sequence divergence among Babesia and Theileria spp. was 7.3–12.2% and 0.7–12.2%, respectively. In-silico restriction enzyme (RE) analysis reveals the presence of at least one site for a commercially available RE in 18S rRNA fragments of every parasite, which can differentiate it from its congeners. Conclusions The presented universal oligonucleotide-based PCR assay provides a highly sensitive, specific, cost-effective, and rapid diagnostic tool for the initial screening of piroplasmids infecting domestic and wild animals and is potentially helpful for large-scale epidemiological studies. Supplementary Information The online version contains supplementary material available at 10.1007/s11686-022-00625-2.
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Seibert S, Rohrberg A, Stockinger A, Schaalo S, März I. [Occurrence of canine babesiosis in dogs in the Rhine-Main area of Hesse, Germany - a case study of 81 dogs]. TIERARZTLICHE PRAXIS. AUSGABE K, KLEINTIERE/HEIMTIERE 2022; 50:162-172. [PMID: 35790164 DOI: 10.1055/a-1704-6604] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
OBJECTIVE Canine babesiosis, an infectious disease transmitted by Dermacentor reticulatus, is exhibiting growing importance in Germany. The aim of this study was to display the increased incidence of canine babesiosis in the Rhine-Main area in Hesse, with special focus on the accumulation in the district of Groß-Gerau. MATERIAL AND METHODS The retrospective study included dogs presented to the veterinary hospital between October 2018 and December 2020 and diagnosed with canine babesiosis on the basis of a positive Babesia spp.-PCR. RESULTS A total of 697 dogs were tested by Babesia spp.-PCR during this time period. Of these, 81 (12 %) were positive.Sequencing was performed in 14 of the 81 dogs (17 %) (B. canis n = 13, B, vulpes n = 1). A simultaneous anaplasmosis infection was detected in 2 dogs. Strikingly, babesiosis cases occurred throughout the year with accumulations in March/April as well as in October.Evaluation of a complete blood cell count revealed pancytopenia in 44 of the 81 animals (54 %). Anemia was present in 66 (82 %), thrombocytopenia in 76 of the 81 patients (94 %). Only 2 of the 81 positive cases showed no hematological changes. Hyperbilirubinemia was found in 66 of 73 measured bilirubin levels (90 %).All animals were treated with two injections of imidocarb-diproprionate (Carbesia®) in 14-day intervals. Follow-up PCR was performed in 37 of the 81 patients (46 %). In the majority of cases (92 %), successful therapy was confirmed by a negative Babesia-PCR. A total of 6 of the 81 patients (7 %) were euthanized during the treatment period. The reasons for euthanasia were progressive renal disease, high-grade intravascular hemolysis necessitating multiple blood transfusions, and development of splenic and renal abscesses. CONCLUSION In dogs with clinical signs such as apathy, pyrexia and hemoglobinuria, as well as hematologic abnormalities comprising anemia, thrombocytopenia as well as pancytopenia, babesiosis needs to be included in the list of differential diagnoses. Testing should be initiated accordingly regardless of the season, however especially in spring and autumn.
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Affiliation(s)
| | | | | | | | - Imke März
- Tierklinik Hofheim, Hofheim am Taunus
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6
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Ranatunga RAS, Dangolla A, Sooriyapathirana SDSS, Rajakaruna RS. High Asymptomatic Cases of Babesiosis in Dogs and Comparison of Diagnostic Performance of Conventional PCR vs Blood Smears. Acta Parasitol 2022; 67:1217-1223. [PMID: 35612719 DOI: 10.1007/s11686-022-00549-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Accepted: 03/21/2022] [Indexed: 11/26/2022]
Abstract
PURPOSE Babesiosis is one of the most important globally extended and quickly spreading tick-borne infections of dogs. Diagnosis of babesiosis in Sri Lanka is based on clinical signs followed by thin blood smears which could be error-prone due to undetected early infections, absence of clinical signs or low parasitemia. The present study investigated the prevalence of babesiosis in dogs presented to the Veterinary Teaching Hospital (VTH) at the Faculty of Veterinary Medicine and Animal Science, University of Peradeniya, for treatments, vaccinations, and regular check-ups, and compared the diagnosis methods of microscopy and molecular analysis. METHODS Blood samples from dogs were collected from January to June 2019. First, Giemsa stained blood smears were prepared, and then the blood samples were subjected to PCR using genus-specific primers to amplify a 411-450 bp region in the 18S rRNA gene. Twenty samples from PCR amplified products were sequenced for species identification and phylogenetic analysis. Clinical signs of the dogs were noted down, and ticks were also collected from dogs if any. RESULTS Results show a very high prevalence of canine babesiosis (78.6%) among the dogs brought to the VTH. The parasite was identified microscopically and genetically as Babesia gibsoni. A large percentage (66.7%) of infections was asymptomatic. Out of 42 blood samples, 19 (45.2%) were microscopically positive for babesiosis while 33 (78.6%) were PCR positive, showing a significant difference in the two methods of diagnosis (chi-square test, χ2 = 9.462, p = 0.002). Three tick species: Rhipicephalus haemaphysaloides, Haemaphysalis bispinosa, and Rhipicephalus sanguineus were found attached to the dogs. CONCLUSION This study shows a very high prevalence of canine babesiosis among dogs in the Kandy area. Most of these infections might go undetected if only microscopy was used to diagnose. An improved, rapid diagnostic method such as the novel, PCR-based point-of-care diagnostic method that detects very low parasitemia within 30 min is needed. Moreover, as most infected dogs did not show clinical signs, they may act as reservoirs of infection. The ability of asymptomatic dogs to spread babesiosis should be investigated.
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Affiliation(s)
- R A S Ranatunga
- Department of Molecular Biology and Biotechnology, Faculty of Science, University of Peradeniya, Peradeniya, Sri Lanka
| | - A Dangolla
- Department of Veterinary Clinical Science, Faculty of Veterinary Medicine and Animal Science, University of Peradeniya, Peradeniya, Sri Lanka
| | - S D S S Sooriyapathirana
- Department of Molecular Biology and Biotechnology, Faculty of Science, University of Peradeniya, Peradeniya, Sri Lanka
| | - R S Rajakaruna
- Department of Zoology, Faculty of Science, University of Peradeniya, Peradeniya, Sri Lanka.
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Linhart P, Bandouchova H, Zukal J, Votýpka J, Baláž V, Heger T, Kalocsanyiova V, Kubickova A, Nemcova M, Sedlackova J, Seidlova V, Veitova L, Vlaschenko A, Divinova R, Pikula J. Blood Parasites and Health Status of Hibernating and Non-Hibernating Noctule Bats (Nyctalus noctula). Microorganisms 2022; 10:microorganisms10051028. [PMID: 35630470 PMCID: PMC9143927 DOI: 10.3390/microorganisms10051028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 05/09/2022] [Accepted: 05/12/2022] [Indexed: 11/16/2022] Open
Abstract
Co-existence of bats with a wide range of infectious agents relates to their co-evolutionary history and specific physiology. Here, we examined blood samples collected during hibernation and the post-hibernation period to assess the influence of trypanosomes and babesias on the health status of 50 Noctule bats (Nyctalus noctula) using nested PCR. The impact of blood parasites on health was assessed by analysis of haematology and blood chemistry parameters in 21 bats. Prevalence of trypanosomes (Trypanosoma dionisii and T. vespertilionis) and babesia (Babesia vesperuginis) was 44% and 8%, respectively. Analysis of blood parameters indicated impact of babesia on acid–base balance. Blood chemistry parameters showed a significant decrease in total dissolved carbon dioxide and bicarbonate, increased anion gap, and no change in blood pH, suggesting compensated metabolic acidosis. Adverse effects of babesia were only apparent in hibernating bats. Our results suggest differences in the pathogenicity of trypanosomes and babesia in bats. While trypanosomes in general had no significant impact on the health status, we observed alterations in the blood acid–base balance in Babesia-infected bats during hibernation. Despite being infected, Babesia-positive bats survived hibernation without showing any clinical signs.
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Affiliation(s)
- Petr Linhart
- Department of Ecology and Diseases of Zoo Animals, Game, Fish and Bees, University of Veterinary Sciences, 61242 Brno, Czech Republic; (P.L.); (V.B.); (T.H.); (V.K.); (A.K.); (M.N.); (J.S.); (V.S.); (L.V.); (J.P.)
- Department of Animal Protection and Welfare and Veterinary Public Health, University of Veterinary Sciences, 61242 Brno, Czech Republic
| | - Hana Bandouchova
- Department of Ecology and Diseases of Zoo Animals, Game, Fish and Bees, University of Veterinary Sciences, 61242 Brno, Czech Republic; (P.L.); (V.B.); (T.H.); (V.K.); (A.K.); (M.N.); (J.S.); (V.S.); (L.V.); (J.P.)
- Correspondence: ; Tel.: +420-541-562-653
| | - Jan Zukal
- Institute of Vertebrate Biology, Academy of Sciences of the Czech Republic, 60365 Brno, Czech Republic;
- Department of Botany and Zoology, Masaryk University, 61137 Brno, Czech Republic;
| | - Jan Votýpka
- Department of Parasitology, Faculty of Science, Charles University, 12800 Prague, Czech Republic;
- Biology Centre, Institute of Parasitology, Czech Academy of Sciences, 37005 České Budějovice, Czech Republic
| | - Vojtech Baláž
- Department of Ecology and Diseases of Zoo Animals, Game, Fish and Bees, University of Veterinary Sciences, 61242 Brno, Czech Republic; (P.L.); (V.B.); (T.H.); (V.K.); (A.K.); (M.N.); (J.S.); (V.S.); (L.V.); (J.P.)
| | - Tomas Heger
- Department of Ecology and Diseases of Zoo Animals, Game, Fish and Bees, University of Veterinary Sciences, 61242 Brno, Czech Republic; (P.L.); (V.B.); (T.H.); (V.K.); (A.K.); (M.N.); (J.S.); (V.S.); (L.V.); (J.P.)
| | - Vendula Kalocsanyiova
- Department of Ecology and Diseases of Zoo Animals, Game, Fish and Bees, University of Veterinary Sciences, 61242 Brno, Czech Republic; (P.L.); (V.B.); (T.H.); (V.K.); (A.K.); (M.N.); (J.S.); (V.S.); (L.V.); (J.P.)
| | - Aneta Kubickova
- Department of Ecology and Diseases of Zoo Animals, Game, Fish and Bees, University of Veterinary Sciences, 61242 Brno, Czech Republic; (P.L.); (V.B.); (T.H.); (V.K.); (A.K.); (M.N.); (J.S.); (V.S.); (L.V.); (J.P.)
| | - Monika Nemcova
- Department of Ecology and Diseases of Zoo Animals, Game, Fish and Bees, University of Veterinary Sciences, 61242 Brno, Czech Republic; (P.L.); (V.B.); (T.H.); (V.K.); (A.K.); (M.N.); (J.S.); (V.S.); (L.V.); (J.P.)
| | - Jana Sedlackova
- Department of Ecology and Diseases of Zoo Animals, Game, Fish and Bees, University of Veterinary Sciences, 61242 Brno, Czech Republic; (P.L.); (V.B.); (T.H.); (V.K.); (A.K.); (M.N.); (J.S.); (V.S.); (L.V.); (J.P.)
| | - Veronika Seidlova
- Department of Ecology and Diseases of Zoo Animals, Game, Fish and Bees, University of Veterinary Sciences, 61242 Brno, Czech Republic; (P.L.); (V.B.); (T.H.); (V.K.); (A.K.); (M.N.); (J.S.); (V.S.); (L.V.); (J.P.)
| | - Lucie Veitova
- Department of Ecology and Diseases of Zoo Animals, Game, Fish and Bees, University of Veterinary Sciences, 61242 Brno, Czech Republic; (P.L.); (V.B.); (T.H.); (V.K.); (A.K.); (M.N.); (J.S.); (V.S.); (L.V.); (J.P.)
| | - Anton Vlaschenko
- Bat Rehabilitation Center of Feldman Ecopark, Lisne, 62340 Kharkiv, Ukraine;
| | - Renata Divinova
- Department of Botany and Zoology, Masaryk University, 61137 Brno, Czech Republic;
| | - Jiri Pikula
- Department of Ecology and Diseases of Zoo Animals, Game, Fish and Bees, University of Veterinary Sciences, 61242 Brno, Czech Republic; (P.L.); (V.B.); (T.H.); (V.K.); (A.K.); (M.N.); (J.S.); (V.S.); (L.V.); (J.P.)
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Karasová M, Tóthová C, Grelová S, Fialkovičová M. The Etiology, Incidence, Pathogenesis, Diagnostics, and Treatment of Canine Babesiosis Caused by Babesia gibsoni Infection. Animals (Basel) 2022; 12:ani12060739. [PMID: 35327136 PMCID: PMC8944684 DOI: 10.3390/ani12060739] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 03/12/2022] [Accepted: 03/14/2022] [Indexed: 12/19/2022] Open
Abstract
Simple Summary Babesia gibsoni is a parasite that causes the rupture of red blood cells in dogs. Although there is no natural, tick-borne transmission of this disease in Europe, it has become more common in European countries in recent years. Dogfighting breeds are predisposed to disease and they are a potential source of infection. Given the high popularity of these dog breeds in Europe and the participation of many dogs at sports competitions and shows, it is likely that the incidence of the disease in Europe may be higher than expected. The fact that the disease is mostly manifested as asymptomatic infection and that dogs of predisposed breeds are often imported from endemic areas, or they travel due to mating or competitions around the world, also contributes to this hypothesis. Abstract Babesia gibsoni is one of the small Babesia species and the infection this pathogen causes is usually asymptomatic, which complicates the capture of potential parasite carriers. In endemic areas, especially in Asia, B. gibsoni occurs quite often due to direct transmission by way of a tick vector. Due to the absence of vectors, its occurrence is described only sporadically in Europe; but, it is increasingly occurring in predisposed, so-called fighting breeds, especially the American pit bull terrier. This review describes the etiology, incidence, clinical signs, pathogenesis, diagnostics, and treatment of B. gibsoni infection, with an emphasis on the clinical and laboratory peculiarities of the disease. As the treated dogs do not eliminate the parasite from the body—only reducing parasitemia and improving clinical signs—the treatment of B. gibsoni infection is a challenge in many cases, and its study therefore deserves great attention.
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Affiliation(s)
- Martina Karasová
- Small Animal Clinic, University of Veterinary Medicine and Pharmacy, 04001 Košice, Slovakia; (S.G.); (M.F.)
- Correspondence:
| | - Csilla Tóthová
- Clinic of Ruminants, University of Veterinary Medicine and Pharmacy, 04001 Košice, Slovakia;
| | - Simona Grelová
- Small Animal Clinic, University of Veterinary Medicine and Pharmacy, 04001 Košice, Slovakia; (S.G.); (M.F.)
| | - Mária Fialkovičová
- Small Animal Clinic, University of Veterinary Medicine and Pharmacy, 04001 Košice, Slovakia; (S.G.); (M.F.)
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9
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Karasová M, Tóthová C, Víchová B, Blaňarová L, Kisková T, Grelová S, Staroňová R, Micháľová A, Kožár M, Nagy O, Fialkovičová M. Clinical Efficacy and Safety of Malarone®, Azithromycin and Artesunate Combination for Treatment of Babesia gibsoni in Naturally Infected Dogs. Animals (Basel) 2022; 12:ani12060708. [PMID: 35327106 PMCID: PMC8944516 DOI: 10.3390/ani12060708] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 03/07/2022] [Accepted: 03/09/2022] [Indexed: 11/16/2022] Open
Abstract
Babesia gibsoni is a tick-borne protozoal blood parasite that may cause hemolytic anemia, thrombocytopenia, lethargy, and/or splenomegaly in dogs. Many drugs have been used in management of canine babesiosis such as monotherapy or combined treatment, including diminazene aceturate, imidocarb dipropionate, atovaquone, and antibiotics. This report examines the effectiveness and safety of Malarone®, azithromycin (AZM) and artesunate (ART) combination for the treatment of babesiosis in dogs naturally infected with Babesia gibsoni. Twelve American Pit Bull Terriers were included in the experiment. Examined dogs underwent clinical and laboratory analysis including hematology and biochemistry profile and serum protein electrophoresis. After diagnosis, the dogs received combined therapy with Malarone® (13.5 mg/kg PO q24 h), azithromycin (10 mg/kg PO q24 h) and artesunate (12.5 mg/kg PO q24 h) for 10 days. The combined treatment improved hematology and biochemical parameters to the reference range gradually during the first 14 days already, resulting in the stable values until day 56 after treatment. No clinically apparent adverse effects were reported during treatment and monitoring. No relapses of parasitemia were detected in control days 180, 360, 540 and 720 in all dogs. Results of the study indicate that the combined treatment leads to successful elimination of parasitemia in chronically infected dogs with B. gibsoni.
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Affiliation(s)
- Martina Karasová
- Small Animal Clinic, University of Veterinary Medicine and Pharmacy, 04001 Košice, Slovakia; (S.G.); (R.S.); (A.M.); (M.K.); (M.F.)
- Correspondence:
| | - Csilla Tóthová
- Clinic of Ruminants, University of Veterinary Medicine and Pharmacy, 04001 Košice, Slovakia; (C.T.); (O.N.)
| | - Bronislava Víchová
- Institute of Parasitology, Slovac Academy of Sciences, 04001 Košice, Slovakia; (B.V.); (L.B.)
| | - Lucia Blaňarová
- Institute of Parasitology, Slovac Academy of Sciences, 04001 Košice, Slovakia; (B.V.); (L.B.)
| | - Terézia Kisková
- Faculty of Science, University of Pavol Jozef Šafárik, 04180 Košice, Slovakia;
| | - Simona Grelová
- Small Animal Clinic, University of Veterinary Medicine and Pharmacy, 04001 Košice, Slovakia; (S.G.); (R.S.); (A.M.); (M.K.); (M.F.)
| | - Radka Staroňová
- Small Animal Clinic, University of Veterinary Medicine and Pharmacy, 04001 Košice, Slovakia; (S.G.); (R.S.); (A.M.); (M.K.); (M.F.)
| | - Alena Micháľová
- Small Animal Clinic, University of Veterinary Medicine and Pharmacy, 04001 Košice, Slovakia; (S.G.); (R.S.); (A.M.); (M.K.); (M.F.)
| | - Martin Kožár
- Small Animal Clinic, University of Veterinary Medicine and Pharmacy, 04001 Košice, Slovakia; (S.G.); (R.S.); (A.M.); (M.K.); (M.F.)
| | - Oskar Nagy
- Clinic of Ruminants, University of Veterinary Medicine and Pharmacy, 04001 Košice, Slovakia; (C.T.); (O.N.)
| | - Mária Fialkovičová
- Small Animal Clinic, University of Veterinary Medicine and Pharmacy, 04001 Košice, Slovakia; (S.G.); (R.S.); (A.M.); (M.K.); (M.F.)
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10
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Weaver GV, Anderson N, Garrett K, Thompson AT, Yabsley MJ. Ticks and Tick-Borne Pathogens in Domestic Animals, Wild Pigs, and Off-Host Environmental Sampling in Guam, USA. Front Vet Sci 2022; 8:803424. [PMID: 35087891 PMCID: PMC8787080 DOI: 10.3389/fvets.2021.803424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Accepted: 12/16/2021] [Indexed: 11/13/2022] Open
Abstract
Background: Guam, a United States of America (USA) island territory in the Pacific Ocean, is known to have large populations of ticks; however, it is unclear what the risk is to wildlife and humans living on the island. Dog (Canis familiaris), cat (Felis catus), and wild pig (Sus scrofa) sentinels were examined for ticks, and environmental sampling was conducted to determine the ticks present in Guam and the prevalence of tick-borne pathogens in hosts. Methods and Results: From March 2019-November 2020, ticks were collected from environmental sampling, dogs, cats, and wild pigs. Blood samples were also taken from a subset of animals. A total of 99 ticks were collected from 27 environmental samples and all were Rhipicephalus sanguineus, the brown dog tick. Most ticks were collected during the dry season with an overall sampling success rate of 63% (95% CI: 42.4–80.6). 6,614 dogs were examined, and 12.6% (95% CI: 11.8–13.4) were infested with at least one tick. One thousand one hundred twelve cats were examined, and six (0.54%; 95% CI: 0.20–1.1) were found with ticks. Sixty-four wild pigs were examined and 17.2% (95% CI: 9.5–27.8) had ticks. In total, 1,956 ticks were collected and 97.4% of ticks were R. sanguineus. A subset of R. sanguineus were determined to be the tropical lineage. The other tick species found were Rhipicephalus microplus (0.77%), Amblyomma breviscutatum (0.77 %), and a Haemaphysalis sp. (0.51%). Blood samples from 136 dogs, four cats, and 64 wild pigs were tested using polymerase chain reaction (PCR) and DNA sequencing methods. Five different tick-borne pathogens with the following prevalences were found in dogs: Anaplasma phagocytophilum 5.9% (95% CI: 2.6–11.3); Anaplasma platys 19.1% (95% CI: 12.9–26.7); Babesia canis vogeli 8.8% (95% CI: 4.6–14.9); Ehrlichia canis 12.5% (95% CI: 7.5–19.3); Hepatozoon canis 14.7% (95% CI: 9.2–28.8). E. canis was detected in one cat, and no tick-borne pathogens were detected in wild pigs. Overall, 43.4% (95% CI: 34.9–52.1) of dogs had at least one tick-borne pathogen. Serological testing for antibodies against Ehrlichia spp. and Anaplasma spp. showed prevalences of 14.7% (95% CI: 9.2–28.8) and 31.6% (95% CI: 23.9–40), respectively. Conclusion: Four different tick species were found in Guam to include a Haemaphysalis sp., which is a previously unreported genus for Guam. Dogs with ticks have a high prevalence of tick-borne pathogens which makes them useful sentinels.
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Affiliation(s)
- Genevieve V. Weaver
- Wise Owl Animal Hospital, Micronesian Exotic Specialty Services, Tamuning, GU, United States
- The Royal (Dick) School of Veterinary Studies and the Roslin Institute, University of Edinburgh, Edinburgh, United Kingdom
- *Correspondence: Genevieve V. Weaver
| | - Neil Anderson
- The Royal (Dick) School of Veterinary Studies and the Roslin Institute, University of Edinburgh, Edinburgh, United Kingdom
| | - Kayla Garrett
- Southeastern Cooperative Wildlife Disease Study, College of Veterinary Medicine, University of Georgia, Athens, GA, United States
- Warnell School of Forestry and Natural Resources, University of Georgia, Athens, GA, United States
| | - Alec T. Thompson
- Southeastern Cooperative Wildlife Disease Study, College of Veterinary Medicine, University of Georgia, Athens, GA, United States
| | - Michael J. Yabsley
- Southeastern Cooperative Wildlife Disease Study, College of Veterinary Medicine, University of Georgia, Athens, GA, United States
- Warnell School of Forestry and Natural Resources, University of Georgia, Athens, GA, United States
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Beasley EA, Pessôa-Pereira D, Scorza BM, Petersen CA. Epidemiologic, Clinical and Immunological Consequences of Co-Infections during Canine Leishmaniosis. Animals (Basel) 2021; 11:ani11113206. [PMID: 34827938 PMCID: PMC8614518 DOI: 10.3390/ani11113206] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 11/03/2021] [Accepted: 11/04/2021] [Indexed: 11/24/2022] Open
Abstract
Simple Summary Canine leishmaniosis (CanL), the most severe, visceralizing form of disease caused by Leishmania infantum transmitted by phlebotomine sand flies. CanL is frequently diagnosed in the Mediterranean basin and South America, although it is also found in other regions, including the United States (U.S.). Dogs in these regions are at risk for co-infections, prominently tick-borne diseases. Our review examines epidemiologic, clinical, and immunologic mechanisms found during the most common eight CanL co-infections reported in published literature. Co-infections alter immunologic processes and disease progression impacting CanL diagnosis, therapeutic responses, and prognosis. Abstract Canine leishmaniosis (CanL) is a vector-borne, parasitic disease. CanL is endemic in the Mediterranean basin and South America but also found in Northern Africa, Asia, and the U.S. Regions with both competent sand fly vectors and L. infantum parasites are also endemic for additional infectious diseases that could cause co-infections in dogs. Growing evidence indicates that co-infections can impact immunologic responses and thus the clinical course of both CanL and the comorbid disease(s). The aim for this review is to summarize epidemiologic, clinical, and immunologic factors contributing to eight primary co-infections reported with CanL: Ehrlichia spp., Anaplasma spp., Borrelia spp., Babesia spp., Trypanosoma cruzi, Toxoplasma gondii, Dirofilaria immitis, Paracoccidioides braziliensis. Co-infection causes mechanistic differences in immunity which can alter diagnostics, therapeutic management, and prognosis of dogs with CanL. More research is needed to further explore immunomodulation during CanL co-infection(s) and their clinical impact.
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Affiliation(s)
- Erin A. Beasley
- Department of Epidemiology, College of Public Health, University of Iowa, Iowa City, IA 52242, USA; (E.A.B.); (D.P.-P.); (B.M.S.)
- Center for Emerging Infectious Diseases, University of Iowa, Iowa City, IA 52242, USA
| | - Danielle Pessôa-Pereira
- Department of Epidemiology, College of Public Health, University of Iowa, Iowa City, IA 52242, USA; (E.A.B.); (D.P.-P.); (B.M.S.)
- Center for Emerging Infectious Diseases, University of Iowa, Iowa City, IA 52242, USA
| | - Breanna M. Scorza
- Department of Epidemiology, College of Public Health, University of Iowa, Iowa City, IA 52242, USA; (E.A.B.); (D.P.-P.); (B.M.S.)
- Center for Emerging Infectious Diseases, University of Iowa, Iowa City, IA 52242, USA
| | - Christine A. Petersen
- Department of Epidemiology, College of Public Health, University of Iowa, Iowa City, IA 52242, USA; (E.A.B.); (D.P.-P.); (B.M.S.)
- Center for Emerging Infectious Diseases, University of Iowa, Iowa City, IA 52242, USA
- Correspondence:
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Dubova OA, Feshchenko DV, Bakhur TI, Dubovyi AA, Zghozinska OA, Chala IV. Splenomegaly development and disseminated intravascular coagulation syndrome in acute canine babesiosis. REGULATORY MECHANISMS IN BIOSYSTEMS 2021. [DOI: 10.15421/022192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Disseminated intravascular coagulation (DIC) syndrome is the main defining process in the pathogenetic axis of complications in canine babesiosis. The involvement of the spleen with further irreversible changes in the organ largely determines the severity of the animal’s condition after spontaneous babesiosis. The work presented here aimed to determine the role of the DIC syndrome as a triggering factor for lesions of the spleen. Clinical and laboratory studies (haematological, biochemical, hemodynamic) have been carried out. Pathological studies of the removed spleen were carried out by histological methods using universal and specific staining. After suffering acute spontaneous babesiosis, the development of hypersplenism and splenomegaly was found in dogs. The diagnosis was confirmed haematologically by the detected cytopenia, normochromic type anaemia. An additional parameter was a significantly increased erythrocyte sedimentation rate. The biochemical profile indicated the development of bilirubinaemia due to the conjugated fraction, hyperfermentation of transaminases, hypoalbuminemia, which reflected the development of hepatitis and liver failure. Markers of DIC syndrome in laboratory studies are represented by reliable hypofibrinogenemia, increased level of fibrinogen/fibrin degradation products, including D-dimer, and soluble fibrin monomer complexes. The multidirectional indices of coagulation tests (activated partial thromboplastin and prothrombin time) made it possible to classify the stage of “consumption coagulopathy” of the DIC syndrome. The haemodynamic parameters of the sick dogs were characterized by a significant deficit in the circulating blood volume. Together with the indicators of the “consumption coagulopathy” stage of the DIC syndrome, the hemodynamic indexes indicate a moderate degree of shock stage II – the stable reversibility, but the magnitude of the circulating blood volume deficit determines the tendency towards shock irreversibility. Histological studies have established a significant proliferation of the stromal elements of the organ, the formation of specific complexes of vessels with sinuses, clogging with blood clots, and the organ's parenchyma dystrophy. Such changes characterize complete splenomegaly, which is based on the organo-pathology of the DIC syndrome. The deposition of “old” fibrin in the connective tissue structures of the spleen indicates that DIC syndrome continues throughout the entire period of hyperplastic changes in the organ. The presence of hyalinosis in blood vessel walls of the spleen parenchyma determines irreversible changes in them. Thus, DIC syndrome is the basis for splenomegaly development in dogs after acute spontaneous babesiosis. It is confirmed by laboratory blood tests and histologically by the presence of fibrin thrombi in the structures of the organ, which determine the organopathology of the syndrome. The information obtained serves to expand the concepts of the pathogenesis of blood protozoal disease, define the high risk of complications that can become fatal for the health and life of animals.
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13
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Asawakarn S, Taweethavonsawat P. Characterization of serum protein electrophoresis patterns and C-reactive protein in canine tick-borne diseases. Vet World 2021; 14:2150-2154. [PMID: 34566333 PMCID: PMC8448638 DOI: 10.14202/vetworld.2021.2150-2154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Accepted: 07/19/2021] [Indexed: 01/08/2023] Open
Abstract
Background and Aim Canine tick-borne diseases are important diseases with a worldwide distribution. In Thailand, the most important canine tick-borne diseases are ehrlichiosis, babesiosis, and hepatozoonosis. This study aimed to determine the serum protein electrophoresis patterns (SPEPs) and C-reactive protein (CRP) levels associated with Ehrlichia canis , Babesia canis, or Hepatozoon canis single infections. Materials and Methods A total of 650 canine blood samples were collected from animal hospitals and clinics in Bangkok and its vicinity to examine health status and blood parasite infection. Suspected blood parasite infections were examined by buffy coat thin blood smear and confirmed by polymerase chain reaction. Normal dog and positive E. canis , B. canis, and H. canis single infections and serum protein profiles were determined by agarose gel electrophoresis. CRP concentration was measured by fluorescent immunoassay. Results In dogs infected with E. canis, B. canis, and H. canis single infections, albumin levels and A/G ratios significantly decreased, whereas β2-globulin levels increased (p<0.05). The γ-globulin level significantly increased in E. canis and H. canis infections (p<0.05). A monoclonal gammopathy pattern wasi observed in E. canis and B. canis sngle infections, whereas β-γ bridging patterns and increased β- and γ-globulin fractions were found in H. canis single infections. The CRP level increased in dogs with blood parasite single infections and may be related to the pathogenesis of the infection. Conclusion SPEPs and CRP levels can be used to monitor health status and blood parasite problems in infected dogs.
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Affiliation(s)
- Sariya Asawakarn
- Biochemistry Unit, Department of Veterinary Physiology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok 10330, Thailand.,Biomarkers in Animals Parasitology Research Group, Chulalongkorn University, Bangkok 10330, Thailand
| | - Piyanan Taweethavonsawat
- Biomarkers in Animals Parasitology Research Group, Chulalongkorn University, Bangkok 10330, Thailand.,Parasitology Unit, Department of Veterinary Pathology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, 10330, Thailand
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14
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Zaki AA, Attia MM, Ismael E, Mahdy OA. Prevalence, genetic, and biochemical evaluation of immune response of police dogs infected with Babesia vogeli. Vet World 2021; 14:903-912. [PMID: 34083939 PMCID: PMC8167514 DOI: 10.14202/vetworld.2021.903-912] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Accepted: 02/25/2021] [Indexed: 11/29/2022] Open
Abstract
Background and Aim: Babesia species are tick-borne protozoan parasites of apicomplexan type which infect the erythrocytes of dogs it ranges from subclinical to severe cases, depending on different factors such as immune status, age, and presence of other co-infections with the Babesia species. Hence, this study aimed to identify the protozoan parasites infecting police dogs of different breeds, ages, and both sexes in Egypt. Concerning molecular detection of Babesia vogeli using conventional polymerase chain reaction sequencing and phylogenetic analysis, followed by the assessment of immunological and biochemical status of infected dogs. Materials and Methods: The blood of 242 police K9 dogs was collected. The age, breed, sex, and health status with clinical signs of dogs were recorded. Hematological, biochemical, and oxidative stress analyses of the blood were performed together with gene expression analysis using two genes (gamma interferon [IFN-γ] and tumor necrosis factor-alpha [TNF-α]). The identification of the causative agent was performed using molecular analysis of the 18S ribosomal RNA (rRNA). The 18S rRNA region of canine Babesia spp. was successfully amplified, and sequencing data were deposited in GenBank (accession number: MT565474.1), which resembled those of B. vogeli. Results: The results of blood samples screening revealed that of the 242 blood samples, 62 were positive for B. vogeli infection. The infection rate in male dogs was higher than that in female dogs. The police dogs were classified into the following three groups of dogs: (1st group) healthy, (2nd infected with B. vogeli, and mixed infection of B. vogeli and Ehrlichia canis). The oxidative stress biomarkers levels in B. vogeli infected dogs were greater than that of healthy dogs. Likewise, IFN-γ and TNF-α level in B. vogeli infected dogs were elevated in infected dogs. Conclusion: Our findings demonstrated that B. vogeli had completely adverse effects on the health condition of the police dogs that may lead to death in some dogs.
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Affiliation(s)
- Ahmed Adel Zaki
- Veterinary Health Care Unit at k9-Departmeant of Police Academy, First settlement at Cairo, Egypt
| | - Marwa Mohamed Attia
- Department of Parasitology, Faculty of Veterinary Medicine, Cairo University, 12211 Giza, Egypt
| | - Elshaimaa Ismael
- Department of Veterinary Hygiene and Management, Faculty of Veterinary Medicine, Cairo University, Giza 12211, Egypt
| | - Olfat Anter Mahdy
- Department of Parasitology, Faculty of Veterinary Medicine, Cairo University, 12211 Giza, Egypt
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15
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Differences in serum protein electrophoretic pattern in dogs naturally infected with Babesia gibsoni and Babesia canis. Sci Rep 2020; 10:18904. [PMID: 33144631 PMCID: PMC7609656 DOI: 10.1038/s41598-020-75908-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 10/19/2020] [Indexed: 11/26/2022] Open
Abstract
Canine babesiosis may cause several hematological and biochemical changes, but only limited studies are available regarding the possible differences of changes in animals infected by different Babesia parasites. The study focused on the evaluation of the differences in serum protein electrophoretic pattern between dogs naturally infected with B. gibsoni (17 dogs) and B. canis (40 dogs). The mean values of total proteins, β1-, β2- and γ-globulins were in dogs infected with B. gibsoni significantly higher (P < 0.05 and P < 0.001) than in dogs infected with B. canis. The relative concentrations of albumin, α1-, α2-globulins and the A/G ratios were in the B. gibsoni infected dogs significantly lower (P < 0.001), no significant differences were found in the relative concentrations of β1- and β2-globulins. Significant differences were found in most of the evaluated parameters when comparing the results in relation to the form of B. canis infection to B. gibsoni infection. Hematological indices showed significant differences between dogs infected with B. gibsoni and the complicated form of B. canis infection. In conclusion, the obtained results suggest differences in the changes of serum protein electrophoretic pattern between dogs infected with both Babesia species and thus, in the response to the infection caused by various Babesia parasites.
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16
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Disseminated Intravascular Coagulation Syndrome as a Complication in Acute Spontaneous Canine Babesiosis. MACEDONIAN VETERINARY REVIEW 2020. [DOI: 10.2478/macvetrev-2020-0027] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Abstract
The polyetiological syndrome of disseminated intravascular coagulation (DIC) is characterized by changes in patients’ hemostasis. The aim of the current research was to elucidate the main factors for the development of DIC syndrome during canine babesiosis, and to assess their correlation level. Dogs included in this study were of various breeds and sex, weighing 10-40 kg and aged 2-7 years. They were separated in two groups (n=50) according to their diagnosis to babesiosis. Oscillometry (blood pressure, pulse rate), vascular-platelet hemostasis, coagulogram, hematological, biochemical (fibrinogen, fibrin degradation product, soluble fibrin-monomer complex) and hemodynamic (circulating blood volume) assessment methods were used. The group of dogs positive on Babesia spp., had clear manifestation of DIC with 5-7% of the erythrocyte population being affected. DIC was manifested by a significant increase in soluble fibrin-monomer complex and fibrin degradation product (p<0.001), hypofibrinogenemia (p<0.001), thrombocytopenia (p<0.001), and an increase in indicators of spontaneous aggregation ability of platelets and red blood cells (p<0.001). Significant hemodynamic disorders were observed: a decrease in circulating blood volume, circulating erythrocytes volume (p<0.05), specific circulating blood volume and hematocrit value (p<0.001). The average blood pressure was reduced (p<0.001), and the Allgöwer’s shock index was increased 2 times (p<0.05). A shock of II degree (medium, subcompensated) was confirmed. Therefore, it can be concluded that acute spontaneous dogs’ babesiosis can be characterized by the occurrence of DIC in a consumption coagulopathy form, and shock of II degree. This condition renders the patients for emergency admission.
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Prevalence of canine babesiosis and their risk factors among asymptomatic dogs in the federal capital territory, Abuja, Nigeria. Parasite Epidemiol Control 2020; 11:e00186. [PMID: 33102824 PMCID: PMC7575870 DOI: 10.1016/j.parepi.2020.e00186] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 08/31/2020] [Accepted: 09/26/2020] [Indexed: 11/20/2022] Open
Abstract
Babesia sp. are intracellular parasitic organisms that affects mainly the red blood cells of most mammals, causing the disease known as babesiosis, and transmitted by ticks. Babesisosis is potentially fatal and a major disease of dogs in Nigeria. Therefore, active and routine surveillance is recommended. In this study, the infection was investigated among apparently healthy domestic dogs in six Area Councils of the Federal Capital Territory (FCT), Abuja, Nigeria with the aim of determining the prevalence of the infection and the associated risk factors. Blood samples were collected from dogs (n = 480) at randomly selected households, from September 2015 to August 2016. Data regarding sampling location, sex, age, breed, use, presence or absence of ticks were recorded. Blood smears were prepared, stained with Geimsa stain, and examined under light microscope for Babesia sp. The results showed an overall prevalence of 10.8% Babesia canis infection. The prevalence among dogs examined in the six Area Councils were 6.3%, 12.5%, 10.0%, 12.5%, 11.3%, and 12.5 % for Abaji, AMAC, Bwari, Gwagwalada, Kuje and Kwali Area Council, respectively. The prevalence was highest (12.5%) among dogs from Kwali, AMAC and Gwagwalada, and lowest 5 (6.3%) among dogs from Abaji. Of the infected dogs, 13.7% were females and 8.3%, males. Dogs between 12 < 36 months old had the highest (17.0%) prevalence of infection while those of >60 months of age had the lowest (4.5%). Based on breed, the infection was more prevalent among exotic dogs (12.9%) than cross breeds (9.4%). While none of pet dogs were positive for Babesia canis, prevalence of 11.1% and 11.3% were recorded for guard and hunting dogs, respectively. Tick infestation was recorded for 254 dogs of which 17.3% had Babesia canis while only 3.5% of 226 non-infested dogs were Babesia positive. Babesia infection during the rainy season was 14.6% while 3.5% of dogs were positive during dry season. The data on monthly prevalence showed that August and September had the highest (13.5%) prevalence while January and February had the lowest (2.0%). We conclude that the canine babesiosis in the FCT was significantly dependent on age, use of dogs, tick infestation, and season. Therefore, priorities should be given to these factors while instituting control measures against the infection.
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Rawangchue T, Sungpradit S. Clinicopathological and molecular profiles of Babesia vogeli infection and Ehrlichia canis coinfection. Vet World 2020; 13:1294-1302. [PMID: 32848303 PMCID: PMC7429385 DOI: 10.14202/vetworld.2020.1294-1302] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Accepted: 05/18/2020] [Indexed: 01/27/2023] Open
Abstract
Background and Aim: Canine babesiosis, a tick-borne parasitic disease, is caused by the hemoprotozoa, Babesia vogeli, and Babesia gibsoni. Infection with these parasites, which is endemic globally, leads to life-threatening immunosuppression in dogs. The merozoites invade the red blood cells (RBCs) of infected dogs. Ehrlichia canis, an intracellular bacterium that infects monocytes, is transmitted by the same tick species (Rhipicephalus sanguineus) during blood consumption and coinfection with B. vogeli and E. canis has been reported. Although the hematology and biochemistry of canine babesiosis have been studied, more studies are needed to develop a better understanding of the hematobiochemical and molecular profiles associated with cases of single infection and coinfection of canine babesiosis in Thailand. This study aimed to investigate the hematological, biochemical, and molecular profiles of B. vogeli infection and E. canis coinfection. Materials and Methods: The study included 33 B. vogeli–positive blood samples and 11 E. canis–coinfected blood samples. To exclude coinfection with Hepatozoon canis and Anaplasma platys, only dogs with B. vogeli infection and B. vogeli–E. canis coinfection were included in the study. A multiplex polymerase chain reaction (PCR) assay was conducted to detect B. vogeli, E. canis, and H. canis, and a conventional PCR assay was conducted for the detection of A. platys. Besides, the PCR assay and sequencing, comprehensive data analysis was conducted, including a microscopic blood parasite examination and hematological and biochemical data analysis. Results: The comparison of the hematobiochemical data between the B. vogeli–positive and E. canis coinfection groups identified that there were statistically significant differences in the RBC parameters, including RBC count, hemoglobin concentration, hematocrit, and RBC distribution width (p=0.001). Neither B. vogeli infection nor coinfection with E. canis was associated with the sex, breed, recorded clinical signs, geographic origin of the dog and also B. vogeli 18S rRNA gene sequencing results. Conclusion: Coinfection with E. canis increased the severity of babesiosis. The pathogenic mechanisms underlying this infection, such as destruction of RBCs, require further investigation. This study may enhance diagnosis, treatment, and prevention of canine babesiosis.
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Affiliation(s)
- Thanakorn Rawangchue
- Parasitology Unit, Center for Veterinary Diagnosis, Faculty of Veterinary Science, Mahidol University, Nakhon Pathom, Thailand
| | - Sivapong Sungpradit
- Parasitology Unit, Center for Veterinary Diagnosis, Faculty of Veterinary Science, Mahidol University, Nakhon Pathom, Thailand.,Department of Pre-Clinic and Applied Animal Science, Faculty of Veterinary Science, Mahidol University, Nakhon Pathom, Thailand
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Winiarczyk D, Michalak K, Adaszek L, Winiarczyk M, Winiarczyk S. Urinary proteome of dogs with kidney injury during babesiosis. BMC Vet Res 2019; 15:439. [PMID: 31801572 PMCID: PMC6894246 DOI: 10.1186/s12917-019-2194-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Accepted: 11/26/2019] [Indexed: 02/07/2023] Open
Abstract
Background Acute kidney injury is the most frequent complication of babesiosis in dogs and may provide a natural model for identifying early and specific markers of kidney injury in this species. There are limited data on urine proteomics in dogs, and none of the effect of babesiosis on the urine proteome. This study aimed to identify urinary proteins of dogs with kidney injury during the natural course of babesiosis caused by Babesia canis, and to compare them with proteins in a control group to reveal any potential biomarkers predicting renal injury before the presence of azotemia. Urine samples were collected from 10 dogs of various breeds and sex with naturally occurring babesiosis, and 10 healthy dogs. Pooled urine samples from both groups were separated by 2D (two-dimensional) electrophoresis, followed by protein identification using MALDI-TOF (matrix-assisted laser desorption ionization time of flight) mass spectrometry. Results In total, 176 proteins were identified in the urine samples from healthy dogs, and 403 proteins were identified in the urine samples from dogs with babesiosis. Of the 176 proteins, 146 were assigned exclusively to healthy dogs, and 373 of the 403 proteins were assigned exclusively to dogs with babesiosis; 30 proteins were common for both groups. Characteristic analysis of 373 proteins found in dogs with babesiosis led to the isolation of 8 proteins associated with 10 metabolic pathways involved in immune and inflammatory responses. Conclusions It was hypothesized that epithelial-mesenchymal transition might play an important role in the mechanisms underlying pathological changes in renal tissue during babesiosis, as indicated by a causal relationship network built by combining 5 of the 10 selected metabolic pathways, and 4 of the 8 proteins associated with these pathways; this network included cadherins, gonadotropin releasing hormone receptors, inflammatory responses mediated by chemokine and cytokine signalling pathways, integrins, interleukins, and TGF-β (transforming growth factor β) pathways. Those pathways were linked by interleukin-13, bone morphogenetic protein 7, α2(1) collagen, and tyrosine protein kinase Fer, which are potential biomarkers of damage during babesiosis in dogs, that might indicate early renal injury.
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Affiliation(s)
- D Winiarczyk
- Department and Clinic of Animal Internal Diseases, University of Life Sciences, Głęboka 30, 20-612, Lublin, Poland
| | - K Michalak
- Department of Epizootiology and Clinic of Infectious Diseases, University of Life Sciences, Głęboka 30, 20- 612, Lublin, Poland
| | - L Adaszek
- Department of Epizootiology and Clinic of Infectious Diseases, University of Life Sciences, Głęboka 30, 20- 612, Lublin, Poland
| | - M Winiarczyk
- Department of Vitreoretinal Surgery, Medical University of Lublin, Chmielna 1, 20-079, Lublin, Poland
| | - S Winiarczyk
- Department of Epizootiology and Clinic of Infectious Diseases, University of Life Sciences, Głęboka 30, 20- 612, Lublin, Poland.
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Ubah AS, Abalaka SE, Idoko IS, Obeta SS, Ejiofor CE, Mshelbwala PP, Omeje JN, Ajayi IE. Canine babesiosis in a male Boerboel: Hematobiochemical and anatomic pathological changes in the cardiorespiratory and reproductive organs. Vet Anim Sci 2019; 7:100049. [PMID: 32734071 PMCID: PMC7386722 DOI: 10.1016/j.vas.2019.100049] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Revised: 01/28/2019] [Accepted: 01/30/2019] [Indexed: 11/25/2022] Open
Abstract
A 9-month old male Boerboel was presented at the University of Abuja Small Animal Clinic with a primary complaint of inappetence and micturition with brownish-yellow urine. Physical examination revealed pale mucous membranes, enlarged pre-scapular lymph nodes, bilateral ocular discharges, pyrexia (41.2 °C), depression and the presence of ticks of the genus Rhipicephalus sanguineus on the body of the animal. History revealed that the dog was recently vaccinated against canine distemper, hepatitis, leptospirosis, parainfluenza, parvovirus (DHLPP) and rabies six days prior to the onset of clinical signs, and had been anorexic. Following clinical examination, blood and faecal samples were collected for biochemical and parasitological analyses, and the results revealed the presence of intraerythrocytic Babesia parasites, normocytic and normochromic anaemia with extensive cellular damage. However, during the course of the investigation, the dog died. With appropriate consent, a post-mortem examination was carried out. Diffuse oedema with interstitial pneumonia in the lung, focal haemorrhage with cellular infiltration in the heart and progressive necrosis of epithelial cells within the seminiferous tubules of the testicles were observed. Many of the observed clinicopathological alterations were consistent with complicated babesiosis. However, in the current case, some unique systemic complications such as testicular degeneration, which has not been previously observed in the Boerboel are discussed.
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Affiliation(s)
- Azubuike S Ubah
- Department of Theriogenology, University of Abuja, Abuja, Nigeria
| | - Samson E Abalaka
- Department of Veterinary Pathology, University of Abuja, Abuja, Nigeria
| | - Idoko S Idoko
- Department of Veterinary Pathology, University of Abuja, Abuja, Nigeria
| | - Sunday S Obeta
- Department of Veterinary Parasitology and Entomology, University of Abuja, Abuja, Nigeria
| | - Charles E Ejiofor
- Department of Veterinary Parasitology and Entomology, University of Abuja, Abuja, Nigeria
| | | | - Jude N Omeje
- Department of Veterinary Medicine, University of Abuja, Abuja, Nigeria
| | - Itopa E Ajayi
- Department of Veterinary Anatomy, University of Abuja, Abuja, Nigeria
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Abstract
Abstract
Canine babesiosis is a tick-borne disease caused by protozoal haemoparasites of different Babesia species. Babesiosis is one of the most important globally extended and quickly spreading tick-borne infections of dogs. This comprehensive review gives an in-depth overview of Babesia species currently identified in dogs together with relevant vector tick species and their geographical distribution, life cycle and transmission of parasite. The main mechanisms in the pathogenesis of babesiosis are described and elucidated by recent literature overview. As Babesia infection causes a disease with very variable clinical manifestations, special attention is given to clinical signs, laboratory features and clinicopathological findings. The diagnosis of canine babesiosis by microscopy, serological and molecular methods is reviewed, together with recent advances in mass spectrometry based assays. Accurate detection and species recognition are important for the selection of the appropriate therapy, monitoring and prediction of the outcome of the disease. Finally, guidelines for the treatment and prevention of canine babesiosis are given.
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Shapiro AJ, Brown G, Norris JM, Bosward KL, Marriot DJ, Balakrishnan N, Breitschwerdt EB, Malik R. Vector-borne and zoonotic diseases of dogs in North-west New South Wales and the Northern Territory, Australia. BMC Vet Res 2017; 13:238. [PMID: 28810870 PMCID: PMC5558717 DOI: 10.1186/s12917-017-1169-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2016] [Accepted: 08/09/2017] [Indexed: 01/25/2023] Open
Abstract
Background Vector-borne diseases of dogs in Australian Aboriginal communities are relatively unexplored. These dogs represent a unique group with variable ecto- and endo-parasitic burdens, nutritional stresses and a general lack of veterinary intervention. We investigated haemoprotozoal and bacterial pathogen prevalences in relation to erythrocyte and platelet numbers in dogs from North-West New South Wales (N-W NSW) and the Northern Territory (NT; Central Australia). Methods Real-time PCR (qPCR) amplification of Anaplasma platys, Babesia vogeli, Mycoplasma haemocanis, Candidatus Mycoplasma haematoparvum and Bartonella spp., serological screening for Coxiella burnetii, and Bartonella spp. and haematological analyses were performed on dogs from the two cohorts (96 dogs in total). Brucella suis serology was determined additionally for the N-W NSW cohort. Results Anaplasma platys (n = 26 dogs), Babesia vogeli (n = 7), Candidatus Mycoplasma haematoparvum (n = 10 dogs), and Mycoplasma haemocanis (n = 14) were detected in the sample population (n = 96) using qPCR. There were significant associations between (i) A. platys and anaemia (OR 8.7, CI 2.4–31.7; P < 0.001), thrombocytopenia (OR 12.1, CI 3.4–43.2; P < 0.001) and breed (OR 16.1, CI 2.1–121.5; P = 0.007), and (ii) between B. vogeli and anaemia (OR 11.8, CI 2.3–61.6; P = 0.003). Neither protozoal nor bacterial DNA loads, estimated using qPCR, were positively correlated with anaemia or thrombocytopenia. Haemotropic mycoplasmas were not associated with any haematologic abnormality. Four dogs from the NT were seropositive for Coxiella burnetii, while no dogs were seropositive for Brucella suis or to a panel of Bartonella spp. antigens. Despite directed efforts, Bartonella DNA was not detected in blood from any of the cohorts studied. A sample of dogs from the NT recruited specifically for Bartonella α-proteobacteria growth medium enrichment blood culture were also Bartonella PCR negative. Conclusions Vector-borne pathogens occur in dogs free ranging near Aboriginal communities, with higher detection rates in NT than N-W NSW. The preponderant haematologic abnormalities were anaemia and thrombocytopenia, likely attributable to A. platys and B. vogeli infections, but also probably affected by nutritional, parasitic, lactational and environmental stressors. The absence of Bartonella spp. is of importance to the Australian setting, and work needs to be extended to tropical coastal communities where fleas are present as well as ticks. Dogs living in and around Aboriginal communities may provide valuable sentinel information on disease infection status of human public health significance. Electronic supplementary material The online version of this article (doi:10.1186/s12917-017-1169-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Amanda J Shapiro
- University of Sydney School of Veterinary Science, Building B14, Sydney, NSW, 2006, Australia.
| | - Graeme Brown
- University of Sydney School of Veterinary Science, Building B14, Sydney, NSW, 2006, Australia
| | - Jacqueline M Norris
- University of Sydney School of Veterinary Science, Building B14, Sydney, NSW, 2006, Australia
| | - Katrina L Bosward
- University of Sydney School of Veterinary Science, Building B14, Sydney, NSW, 2006, Australia
| | - Debbie J Marriot
- Department of Microbiology and Infectious Diseases, St. Vincent's Hospital, Sydney, NSW, 2010, Australia
| | - Nandhakumar Balakrishnan
- Intracellular Pathogens Research Laboratory, Center for Comparative Medicine and Translational Research, College of Veterinary Medicine, North Carolina State University, Raleigh, NC, USA
| | - Edward B Breitschwerdt
- Intracellular Pathogens Research Laboratory, Center for Comparative Medicine and Translational Research, College of Veterinary Medicine, North Carolina State University, Raleigh, NC, USA
| | - Richard Malik
- University of Sydney School of Veterinary Science, Building B14, Sydney, NSW, 2006, Australia. .,School of Animal & Veterinary Sciences, Charles Sturt University, Locked Bag 588, Wagga Wagga, NSW, 2678, Australia. .,Centre for Veterinary Education, University of Sydney, Sydney, NSW, 2006, Australia.
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