Biosystems Diversity

Biosystems Diversity

Basic info

  • Publisher: Oles Honchar Dnipro National University
  • Country of publisher: ukraine
  • Date added to EuroPub: 2019/Nov/20

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  • Language of fulltext: english
  • Time from submission to publication: weeks

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  • Article Processing Charges (APCs): No
  • Submission charges: No
  • Waiver policy for charges? No

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  • Type of License:
  • License terms
  • Open Access Statement: No
  • Year open access content began: 1993
  • Does the author retain unrestricted copyright? False
  • Does the author retain publishing rights? False

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This journal has '1' articles

The influence of the extent of infestation by helminths upon changes in body weight of sheep in Ukraine

The influence of the extent of infestation by helminths upon changes in body weight of sheep in Ukraine

Authors: O. Boyko, N. Zazharska, V. Brygadyrenko
Year: 2016, Volume: 24, Number: 1
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Abstract

Among the following breeds of sheep, Merino, Bleu du Maine, Bluefaced Leicester, Dorper, Clan Forest, Suffolk, Texel and Beltex, helminths of two classes (Nematoda and Cestoda) have been registered in Ukraine (Dnipropetrovsk oblast). Among the nematodes there were: parasites of the digestive system Haemonchus contortus (Rudolphi, 1803), Strongyloides papillosus (Wedl, 1856), Nematodirus sp., Trichuris sp. and parasites of the respiratory system Muellerius capillaris (Muller, 1889). In the excrements of small ruminants, eggs of Moniezia expansa (Rudolphi, 1805) (Cestoda) – helminths of the small intestine, were found. Among all studied animals we found S. papillosus. 58.2% of sheep were infested with H. contortus. The lowest indicators of invasion extensivity were registered for parasitism of Trichuris sp. and M. capillaries. Extensivity of Nematodirus invasion did not exceed 16.3%. This indicator for cestodiasis, specifically monieziasis, among sheep was 25,5%. The range of fluctuation in intensivity of nematode invasion was within 7 to 860 eggs/g of excrement. This indicator for Cestoda invasion did not exceed 350 eggs/g. The highest indicators of average invasion were registered for parasitism by S. papillosus and H. contortus. The lowest average indicators of intensity were found for Trichuris. For Nematoda and Muellerius they were 25.0 and 88.9 individuals/g of feces correspondingly. The greatest influence on changes of body weight in sheep was caused by nematodes of the digestive tract Trichuris sp. and of the respiratory organs M. capillaris. The indicators of Trichuris infection level are the lowest in comparison with other registered helminthiases.

Keywords: helminths of sheep, Strongylida, Rhabditida, Cestoda, dehelminthisation, body weight

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