Introduction The purpose of the study was to investigate post-mortem changes in dogs infected with Babesia canis and to establish the probable cause of death of the affected animals. Material and Methods Cadavers of six dogs that did not survive babesiosis were collected. Necropsies were performed and samples of various organs were collected for histological examination. Results Necropsies and histological examinations revealed congestion and oedemata in various organs. Most of the dogs had ascites, hydrothorax or hydropericardium, pulmonary oedema, pulmonary, renal, hepatic, and cerebral congestion, and necrosis of cardiomyocytes. Conclusion These results suggested disorders in blood circulation as the most probable cause of death. However, the pulmonary inflammatory response and cerebral babesiosis observed in some of these dogs could also be considered possible causes of death. This study also showed a possible role for renal congestion in the development of renal hypoxia and azotaemia in canine babesiosis.
The aim of the study was to analyse canine and feline infections with intestinal parasites basing on routine coproscopic tests. In total 5,809 results were analysed. Infections with Giardia intestinalis (6.93% – in dogs, 4.56% – in cats) and Toxocara spp. (4.07% – in dogs, 5.42% – in cats) were the most commonly noted. The majority of intestinal parasitic infections were identified more frequently in younger animals (under 1 year of age) as compared to older ones. This study showed the increase in the prevalence of coccidia (from 1% to 2.53%) and whipworms (from 2.6% to 3.07%) in dogs and a decrease in roundworm and hookworm related diseases in comparison to previous reports (years 1974-2002). The results showed changes in infection prevalence of both protozoan species (G. intestinalis and Cystoisospora spp.) both in dogs and cats, which suggests that climate conditions had an influence on the infection prevalence of the mentioned species. Moreover, the age of animals had an influence on the infection prevalence of intestinal parasites in dogs. However, there was no influence of both dogs’ and cats’ sex on the average infection prevalence of investigated parasites.
Introduction: Farm mink (Neovison vison) can be naturally exposed to T. canis and T. leonina pathogens on the farm. If mink were hosts, it would imply some veterinary public health as well as animal welfare issues. For this reason, the aim of the study was to determine whether mink might be definitive or paratenic hosts of these parasites. Material and Methods: Four groups of mink were infected with both parasite species using larvated eggs or feed containing mouse tissue previously infected with the parasites. Following inoculation, the infections were monitored in vivo by faecal examination for 14 weeks p.i., and then western blotting and ELISA were performed. Results: Coprology did not reveal any canine roundworm eggs, neither were nematodes found in mink intestines during post mortem examination. The specific IgG antibodies recognising excretory/secretory (ES) antigens of both parasite species were identified in mink sera. Single T. leonina tissue larvae were found in digested organs. Conclusions: Our results confirm that farm mink may contribute both T. canis and T. leonina infections. It was proved that farm mink were not their definitive hosts, and therefore mink faeces need not be considered a source of canine roundworm eggs in any soil it fertilises. Nonetheless, as farm mink may be a paratenic host for both parasite species, this may have some impact on the health and welfare of infected animals.
The aim of the study was to compare the intestinal parasite fauna occurring in pigs kept in different rearing conditions (group A -extremely extensive, B -extensive and C -intensive). In the period between March and July 2010, 345 samples of faeces from piglets (125), weaners (60), fatteners (94) and sows (66) were collected and tested, using standard coproscopic methods. Six parasitic species, belonging to phylum Nematoda (Strongyloides ransomi, Ascaris suum, Oesophagostomum dentatum, Trichuris suum) and to phylum Apicomplexa (Isospora suis and Eimeria debliecki) were diagnosed. Eggs of Toxascaris leonina, a parasitic roundworm mostly affecting the members of the Canidae and Felidae families, not encountered in pigs until now, were found in the faeces of fatteners. The highest level of parasite invasion was recorded in pigs from group A and B; they were multi-species invasions. Parasitic species found in faeces not only bring economic losses, but they may also be dangerous for human health and life, which indicates the necessity to implement parasitological screening protocols, especially in the extensive rearing conditions.
The aim of the study was to establish the prevalence of intestinal parasitic infections of carrier pigeons from central Poland depending on the year and season. The coproscopic method (flotation with saturated NaCl) was used to examine 324 fecal samples from carrier pigeons. The average prevalence of parasitic infections reached 84.56% (274/324). Parasites such as coccidia of the genus Eimeria (80.86%), nematodes of the genera Capillaria (32.71%) and Ascaridia (13.58%) were detected. Infection with tapeworms (Raillietina) was observed (0.3%) only in one fecal sample. Coccidiosis was the most prevalent infection during the whole period of the study (2012–2019), ranging from 70.03% in the 2014–2015 period up to 90.5% (P ≤ 0.02) in 2012–2013. Infections with Capillaria (P ≤ 0.05) and Eimeria were diagnosed more frequently in the autumn-winter seasons then in spring-summer.
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