Cryptosporidium spp. Are Associated with Giardia duodenalis Co-Infection in Wild and Domestic Canids.

Autor: Mateusa, Maira, Cīrulis, Aivars, Selezņova, Maija, Šveisberga, Dārta Paula, Terentjeva, Margarita, Deksne, Gunita
Zdroj: Animals (2076-2615); Dec2024, Vol. 14 Issue 23, p3484, 12p
Abstrakt: Simple Summary: Cryptosporidium and Giardia are single-cell parasites that can infect both animals and humans, causing diarrhea and risks to public health. Both parasites can be found in nearly all mammals, including domestic dogs, red foxes, and raccoon dogs, which can act as natural carriers and spread them through direct contact, food, and the environment. This study aimed to understand how common these protozoans are in Latvia and what factors influence their occurrence in domestic and wild canids. We collected fecal samples from 373 domestic dogs, 219 red foxes, and 78 raccoon dogs and tested for the presence of Cryptosporidium and Giardia duodenalis. Red foxes and raccoon dogs had higher prevalence of both parasites than domestic dogs. Puppies showed higher infection rates with both parasites. All infected canids were more likely to have both parasites simultaneously. This research highlights the need for responsible pet care and a potential zoonotic risk for humans. Cryptosporidium spp. and Giardia duodenalis are zoonotic food- and water-borne protozoa of veterinary importance. They are one of the main causes of diarrhea in domestic dogs (Canis familiaris). Wild canids, such as red foxes (Vulpes vulpes) and raccoon dogs (Nyctereutes procyonoides), can act as natural reservoirs for these parasites. The aim of this study was to estimate the prevalence of these pathogens and analyze possible factors that may affect the infection in wild and domestic canids. A total of 373 domestic dog, 219 red fox, and 78 raccoon dog fecal samples were collected and tested for Cryptosporidium spp. and G. duodenalis presence with direct immunofluorescent staining. The dog owners filled a questionnaire on the dog's habits and lifestyle to identify and analyze potential factors that may affect the occurrence of these parasites in dogs. Cryptosporidium spp. were found in 16.3%, 28.3%, and 28.2% and G. duodenalis in 0.7%, 27.4%, and 30.8% of the examined dogs, red foxes, and raccoon dogs, respectively. The highest prevalence was observed in puppies—15.4% and 18.5% for Cryptosporidium spp. and G. duodenalis, respectively. In all three canid species, infection with Cryptosporidium increases the risk of co-infection with Giardia and vice versa. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index
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