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Publication type: Doctoral Thesis

Year: 2010

Author(s): Burian, Erika

Title: Endoparasitenstatus von Neuweltkameliden in Oberösterreich und im Burgenland.

Other title: Endoparasites of South American camelids in Upper Austria and Burgenland

Source: Dissertation, Vet. Med. Univ. Wien, pp. 91.


Baumgartner Walter
Klein-Jöbstl Daniela

Joachim Anja

Vetmed Research Units:
University Clinic for Ruminants, Clinical Unit of Ruminant Medicine

Graduation date: 08.03.10

The purpose of this study was to determin the predominant spectrum of endoparasites in the South American camelids from Upper Austria and Burgenland, as well as one farm from Lower Austria. There was further considered the intensity and the chronological sequence of parasitic infection. In this study 121 South American camelids from 15 farms were examined. 4 farms totalling 24 animals were located in Burgenland and Lower Austria, and 11 farms totalling 97 animals in Upper Austria. A questionnaire collecting general data was developed and completed. During the following 1½ years, 3 faecal examinations took place. After the first collection of samples, the owners were requested to forward the samples of the forthcoming examinations. 45 samples of the second trial were received, but only 14 of the third. From the 3 different methods which were applied to the individual samples, the method of sedimentation-flotation proved to be the most sensitive; except for the detection of E. macusaniensis and Fasciola hepatica, the modified Benedek turned out to be the most sensitive. The highest prevalences were shown for trichostrongyles (91.5 %), E. alpacae/ E. punoensis (84.7 %) and Trichuris spp. (56.8 %). The mean egg count was generally low. For E. alpacae / E. punoensis, and E. lamae it showed median values in the first trial. The crias presented higher numbers of patent infections with higher mean egg counts for eimeriae (significant for E. lamae) Nematodirus spp., Trichuris spp. and Capillaria spp. While comparing the prevalences of the Federal States, differences applied especially to Trichuris spp., which appeared to be more common in Upper Austria, and Dicrocoelium dendriticum, which evidenced higher levels in Burgenland. Responsible for the discrepancy of the mean egg count was probably the non-homogeneous distribution of young animals within the Federal states. At the second coprological examination, the prevalence revealed higher values, especially noticeable for E. alpacae/ E. punoensis and Nematodirus battus, which also showed higher mean egg counts. None of the animals showed clinical signs of disease during the study.

South American camelids / endoparasites / coprological examination

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