Vector-borne haemoparasitic and rickettsial diseases of dogs in South west, Nigeria: An eleven years retrospective study
https://dx.doi.org/10.4314/njpar.v42i1.17
Keywords:
Dogs, haemoparasites, prevalence, retrospective-studyAbstract
Adequate knowledge of the occurrence and seasonal variation in the distribution of parasitic and rickettsial diseases affecting dogs is required for formulation of effective disease control measures. Hence, this study assessed the prevalence of vector borne haemoparasites and rickettsial of dogs between 2009 and 2019. Clinical records of dogs presented for clinical examination and confirmed by microscopic screening of their blood were assessed and analysed statistically. Overall, 1483 dogs were presented to the Veterinary Teaching Hospital (VTH). This included 641 (43.2%) male, 842 (56.8%) female, 967 (65.2%) young and 516 (34.8%) adult dogs. 33 (2.2%) and 1450 (97.8%) were mongrel and exotic breeds, respectively. 511 (34.5%) were infected with either haemoparasites or rickettsial. This comprised 34.0% (218/641) and 34.8% (293/842) male and female, 317 (32.8%) and 194 (37.6%) young and adult dogs, respectively. There was no significant (p =0.05) difference in the prevalence among sexes and age groups. Seasonal prevalence was 35.88% (315/878) and 32.40% (196/605) in wet and dry seasons, respectively. Six haemoparasites/rickettsials were reported from 511 dogs, these included single infections of Babesia species 477 (93.5%), Ehrlichia species 8 (1.6%), Hepatozoon canis 2(0.39%), Mycoplasma haemocanis 7 (1.4%), Trypanosoma species 16 (3.1%) and mixed infection of Babesia and Hepatozoon canis 1 (0.2%). The mean PCV values were significantly (t = 2.45; P = 0.014) different between infected and non-infected dogs. This study suggests that Babesia spp. is the most prevalent in the dogs presented to the VTH in the study area and the detection of Trypanosoma spp. in some dogs suggests that dogs could be reservoir of trypanosomes for both animals and human.
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