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

Biosystems diversity, 2016-03, Vol.24 (1), p.3-7 [Peer Reviewed Journal]

ISSN: 2519-8513 ;ISSN: 2310-0842 ;EISSN: 2520-2529 ;EISSN: 2312-301X ;DOI: 10.15421/011601

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  • Title:
    The influence of the extent of infestation by helminths upon changes in body weight of sheep in Ukraine
  • Author: Boyko, O. O. ; Zazharska, N. M. ; Brygadyrenko, V. V.
  • Subjects: body weight ; Cestoda ; dehelminthisation ; helminths of sheep ; Rhabditida ; Strongylida
  • Is Part Of: Biosystems diversity, 2016-03, Vol.24 (1), p.3-7
  • Description: 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.
  • Publisher: Oles Honchar Dnipropetrovsk National University
  • Language: English
  • Identifier: ISSN: 2519-8513
    ISSN: 2310-0842
    EISSN: 2520-2529
    EISSN: 2312-301X
    DOI: 10.15421/011601
  • Source: Directory of Open Access Journals
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