ArticleBMC veterinary research2024
Enhancing diagnostic accuracy: Direct immunofluorescence assay as the gold standard for detecting Giardia duodenalis and Cryptosporidium spp. in canine and feline fecal samples.
Article in BMC veterinary research, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Molecular detection and zoonotic potential ofFood and waterborne parasitology · 2026Article
- Clinical cases ofJournal of veterinary research · 2026Article
- Status of cryptosporidiosis in cattle raised by marginalized nomadic communities of Southern Punjab, Pakistan: an observational study.Frontiers in veterinary science · 2026Article
- Giardia duodenalis in domestic cats from the US and Canada: Prevalence and zoonotic potential.PloS one · 2026Article
- Intestinal parasite prevalences in dogs and cats: a decade of retrospective data from a reference veterinary laboratory in Madrid, Spain.Parasites & vectors · 2025Article
- Understanding the rationale for metronidazole use in dogs and cats.The Journal of small animal practice · 2025Article
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10 authors.
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Abstract
The enteric protozoan parasites Giardia duodenalis and Cryptosporidium spp. are common cause of diarrhea in pet dogs and cats, affecting primarily young animals. This comparative study evaluates the diagnostic performance of conventional and molecular methods for the detection of G. duodenalis and Cryptosporidium spp. infection in dogs and cats.The compared diagnostic assays included merthiolate-iodine-formalin (MIF) method, lateral flow immunochromatography rapid test (ICT) and real-time PCR; using direct immunofluorescence assay (DFA) as golden standard. The study included the analysis of 328 fecal samples from different dog (n = 225) and cat (n = 103) populations.According to DFA, the overall prevalence of G. duodenalis was 24.4% (80/328, 95% CI: 19.8-29.4), varying from 11.6% (12/103, 95% CI: 6.2-19.5) in cats to 30.2% (68/225, 95% CI: 24.3-36.7) in dogs. The overall prevalence of Cryptosporidium spp. was 4.0% (13/328, 95% CI: 2.1-6.7), varying from 2.9% (3/103, 95% CI: 0.6-8.3) in cats to 4.4% (10/225, 95% CI: 2.1-8.0) in dogs. MIF was only used for the detection of G. duodenalis, which was identified by this method in 22.7% of dogs and 7.8% of cats, respectively. DFA was the most sensitive technique for detecting G. duodenalis in samples from dogs and cats (p-value: < 0.001), followed by real-time PCR. Identification of Cryptosporidium infections was most effectively accomplished by the combination of DFA and PCR technique (p-value: < 0.001). In addition, epidemiological (sex, age, origin) and clinical (fecal consistency) variables were collected to assess their potential associations with an increased likelihood of infection by G. duodenalis and/or Cryptosporidium spp. Breeder dogs were more likely to harbor G. duodenalis infection (p-value: 0.004), whereas female cats were significantly more infected with Cryptosporidium (p-value: 0.003).In conclusion, DFA (alone or in combination with PCR) has been identified as the most accurate and cost-effective method for detecting G. duodenalis and Cryptosporidium spp. in fecal samples from pet dogs and cats. This highlights their importance in both veterinary and clinical settings for enabling prompt treatment and preventing potential transmission to humans.
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