ArticleParasitology research2007
Occurrence of Cryptosporidium parvum and Giardia duodenalis in healthy adult domestic ruminants.
Article in Parasitology research, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers, 1 of them a synthesis that pooled it.
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Who cites it
32 citing papers in PubMed, 1 synthesis or guideline pooled it, 136 citations in OpenAlex.
- Global prevalence of Giardia infection in nonhuman mammalian hosts: A systematic review and meta-analysis of five million animals.PLoS neglected tropical diseases · 2025Pooled it
- Occurrence and Phylogenetic Analysis of Zoonotic Enteropathogenic Protist Parasites in Asymptomatic Domestic Ruminants from Portugal.Pathogens (Basel, Switzerland) · 2023Article
- Modeling cryptosporidiosis in humans and cattle: Deterministic and stochastic approaches.Parasite epidemiology and control · 2023Article
- Review
- Molecular detection and characterization ofFrontiers in veterinary science · 2023Article
- Molecular Detection and Distribution ofTransboundary and emerging diseases · 2023Article
- Cryptosporidium in human-animal-environment interphase at Adama and Asella areas of Oromia regional state, Ethiopia.BMC veterinary research · 2022Article
- Seasonal distribution of Cryptosporidium spp., Giardia duodenalis and Enterocytozoon bieneusi in Tibetan sheep in Qinghai, China.Parasites & vectors · 2022Article
- Literature Review: Coinfection in Young Ruminant Livestock-Pathogens (Basel, Switzerland) · 2022Review
- The Age-RelatedAnimals : an open access journal from MDPI · 2021Article
- Global Goat! Is the Expanding Goat Population an Important Reservoir ofFrontiers in veterinary science · 2021Review
- Genetic characteristics of Giardia duodenalis from sheep in Inner Mongolia, China.Parasite (Paris, France) · 2020Article
- Prevalence and genotyping identification of Cryptosporidium in adult ruminants in central Iran.Parasites & vectors · 2019Article
- Occurrence and multilocus genotyping of Giardia duodenalis in black-boned sheep and goats in southwestern China.Parasites & vectors · 2019Article
- Prevalence, risk factors and molecular characterization of Cryptosporidium infection in cattle in Addis Ababa and its environs, Ethiopia.Veterinary parasitology, regional studies and reports · 2018Article
- Goats in the city: prevalence of Giardia duodenalis and Cryptosporidium spp. in extensively reared goats in northern India.Acta veterinaria Scandinavica · 2017Article
- Molecular epidemiology of Cryptosporidium spp. and Giardia spp. in mussels (Mytilus californianus) and California sea lions (Zalophus californianus) from Central California.Applied and environmental microbiology · 2014Article
- Neospora caninum infection as a cause of reproductive failure in a sheep flock.Veterinary research · 2014Article
- Prevalence and molecular characterization of Cryptosporidium in goats across four provincial level areas in China.PloS one · 2014Article
- Prevalence and genotypes of Giardia duodenalis from dogs in Spain: possible zoonotic transmission and public health importance.Parasitology research · 2012Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
To determine the prevalence and intensity of infection of Cryptosporidium spp. and Giardia duodenalis in healthy adult domestic ruminants, faecal samples were collected from 379 cattle of between 3 and 13 years old, 446 sheep and 116 goats selected at random from 60 dairy farms and 38 and 20 herds, respectively, in Galicia (NW Spain). Cryptosporidium spp. oocysts were detected in 32 cows (8.4%), 24 sheep (5.3%) and in nine goats (7.7%) from, respectively, 48.3% of the farms and 34.2 and 30.0% of the herds. The intensity of infection in cows ranged between 25 and 5,924 oocysts per gram of faeces (OPG), whereas in sheep and goats, the number of oocysts shed ranged from 8-515 OPG and from 17-782 OPG, respectively. Parasitization by Cryptosporidium spp. was significantly higher (P<0.05) in cows than in sheep and goats. G. duodenalis cysts were identified in 101 cows (26.6%), 86 sheep (19.2%) and 23 goats (19.8%) from, respectively, 96.6% of the farms and 92.1 and 90% of the herds. The number of cysts shed by cows ranged between 15 and 3,042 cyst per gram of faeces (CPG), whereas the intensity of infection in sheep and goats ranged from 16-3010 CPG and from 15-1845 CPG, respectively, and was significantly lower (P<0.05) than in cows and sheep. The number of Cryptosporidium spp. oocysts isolated from sheep and goats was insufficient for successful polymerase chain reaction analysis. Nevertheless, gene sequence analysis of the hsp70 and 18SrRNA genes of Cryptosporidium revealed the presence of only C. parvum in faecal samples from cows. Genotyping studies of the beta-giardin and glutamate dehydrogenase genes of G. duodenalis revealed mainly assemblage E of Giardia in cows, sheep and goat faecal samples. Assemblage B of G. duodenalis was also detected in one sheep sample. These animals should be considered as a possible source of cryptosporidiosis and giardiosis, thereby maintaining the infections on farms and in herds.
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