Prevalence and risk factors associated to Eimeria spp. infection in unweaned alpacas (Vicugna pacos) from Southern Peru
-
Pablo Díaz
,
Rosario Panadero
Abstract
A total of 350 faecal samples from unweaned alpacas over 3 months of age were collected from 23 herds in order to determine the prevalence of Eimeria spp. in Southern Peru and to identify the risk factors associated to Eimeria infection in young alpacas. Samples were examined by a flotation technique and the identification of risk factors was assessed by a logistic regression analysis. Sixty four percent of the examined animals shed Eimeria oocysts; herd prevalence was 96%, with an intra-herd prevalence of 60% (range 5.9-100%). Five different Eimeria species were identified, being E. lamae (91%), E. alpacae (87%) and E. punoensis (78%) the most prevalent; E. macusaniensis (35%) and E. ivitaensis (13%) were less common. Mixed-species infections were more frequent (78%) than single infections (22%). E. lamae was the most common monospecific infection and E. lamae/E. alpacae the most frequent association. The geographical area has a significant effect on Eimeria infection rates (74.9% wet Puna vs 37.4% dry Puna) as well as the breeding system (65.1% traditional vs 63.8% modern). In contrast, the sex of the animals (64.6% males vs 64.0% females) showed no influence on the prevalence of infection by Eimeria. The high prevalence found at both individual and herd level and the common presence of highly pathogenic Eimeria species may lead to important economic losses for alpaca breeders and could require the implementation of suitable control measures.
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© 2016
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Articles in the same Issue
- Toxocarosis of the organ of sight – the complex pathological and diagnostic problem
- Trichomonas vaginalis: An Updated Overview Towards Diagnostic Improvement
- New species and records of mites of the superfamily Sarcoptoidea (Acariformes: Psoroptidia) from mammals in Brazil
- The morphology of free-living stages and immature parasites of Rhabdias paraensis (Nematoda: Rhabdiasidae), a parasite of Rhinella marina (Anura: Bufonidae) in Brazil
- Effects of altered water quality and trace elements on the infection variables of Paradiplozoon ichthyoxanthon (Monogenea: Diplozoidae) from two sites in the Vaal River system, South Africa
- Herd-level seroprevalence of Neospora caninum infection in dairy cattle in central and northeastern Poland
- Ultrastructure of Ascaridia galli (Schrank, 1788) (Nematoda: Ascaridida) from the endangered green peafowl Pavo muticus Linnaeus (Galliformes: Phasianidae)
- Prevalence and risk factors associated to Eimeria spp. infection in unweaned alpacas (Vicugna pacos) from Southern Peru
- Description of a new species of Chabaudus Inglis and Ogden, 1965 (Nematoda: Seuratoidea) from the frog Euphlyctis cyanophlyctis from Dehrandun, Uttarakhand, India
- Fertilization in the cestode Echinococcus multilocularis (Cyclophyllidea, Taeniidae)
- Expression analysis of viscerotropic leishmaniasis gene in Leishmania species by real-time RT-PCR
- Fourier transform infrared spectroscopy as a tool for identification of crude microbial extracts with anti-malarial potential
- A 43 kDa recombinant plasmepsin elicits immune response in mice against Plasmodium berghei malaria
- Effects of Echinostoma caproni miracidia dose on the amino acid contents of Biomphalaria glabrata as determined by high-performance thin-layer chromatography
- In search of a potential diagnostic tool for molecular characterization of lymphatic filariasis
- Seasonal pattern in parasite infracommunities of Hoplerythrinus unitaeniatus and Hoplias malabaricus (Actinopterygii: Erythrinidae) from the Brazilian Amazon
- The first detection of the tick-borne encephalitis virus (TBEV) RNA in Dermacentor reticulatus ticks collected from the lowland European bison (Bison bonasus bonasus L.)
- Assessing the influence of geographic distance in parasite communities of an exotic lizard
- Diagnostic value of semi-purified antigens of hydatid cyst fluid in human cystic echinococcosis
- Occurrence and morphogenetic characteristics of Gyrodactylus (Monogenea: Gyrodactylidae) from a rainbow trout farm (Lake Ladoga, Russia)
- Dactylogyrids (Monogenea) parasitic on cichlids from northern Brazil, with description of two new species of Sciadicleithrum and new host and geographical records
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- First report of Cystoisospora belli parasitemia in a patient with acquired immunodeficiency syndrome
- Cystic echinococcosis in Southern Israel
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