dc.contributor.author |
Waruiru, R.M.
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dc.contributor.author |
Weda, E.H.
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dc.contributor.author |
Otieno, R.O.
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dc.contributor.author |
Ngotho, J.W.
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dc.contributor.editor |
Boomker, Jacob Diederik Frederik |
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dc.date.accessioned |
2012-02-29T10:45:19Z |
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dc.date.available |
2012-02-29T10:45:19Z |
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dc.date.created |
2012 |
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dc.date.issued |
2002 |
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dc.description |
The articles have been scanned in colour with a HP Scanjet 5590; 600dpi.
Adobe Acrobat v.9 was used to OCR the text and also for the merging and conversion to the final presentation PDF-format. |
en |
dc.description.abstract |
The type and level of infective strongylid nematode larvae on pasture were monitored fortnightly from July 1995 to June 1996 in the central highlands of Kenya. The number of larvae on pasture was moderate, reaching >1200/kg dry matter of grass during the period of, and soon after, the rains, and remained low in the dry seasons. The number of larvae on pasture was directly related to the rainfall pattern which was found to be the most important factor for the development of eggs and free-living stages. Haemonchus was the predominant genus, followed in decreasing order by Trichostrongylus, Cooperia, Oesophagostomum and Bunostomum. The mean total adult worm burdens of tracer calves released at monthly intervals were related to the levels of herbage larvae and there was a positive correlation between faecal worm egg counts and worm burdens ( r=0.58) during the study period. These results indicate that a reduction in the contamination of pasture with nematode eggs before the rains could result in pastures carrying fewer larvae and thus form the basis of effective worm control programmes for cattle. |
en |
dc.description.librarian |
mn2012 |
en |
dc.description.sponsorship |
Livestock Helminth Research Project under the auspices of the Danish International Development Agency (DANIDA). |
en |
dc.identifier.citation |
Waruiru, RM, Weda, EH, Otieno, RO & Ngotho, JW 2002, 'Seasonal availability of gastrointestinal nematode larvae to cattle on pasture in the central highlands of Kenya’. Onderstepoort Journal of Veterinary Research, vol. 69, no. 2, pp. 141-146. |
en |
dc.identifier.issn |
0030-2465 |
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dc.identifier.uri |
http://hdl.handle.net/2263/18295 |
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dc.language |
en |
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dc.publisher |
Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria. |
en |
dc.rights |
© ARC-Onderstepoort and Faculty of Veterinary Science, University of Pretoria (original).
© University of Pretoria. Dept of Library Services (digital). |
en |
dc.subject |
Veterinary medicine |
en |
dc.subject |
Cattle |
en |
dc.subject |
Helminthosis |
en |
dc.subject |
Kenya |
en |
dc.subject |
Larvae |
en |
dc.subject |
Nematodes |
en |
dc.subject |
Pasture |
en |
dc.subject |
Rainfall |
en |
dc.subject |
Season |
en |
dc.subject.lcsh |
Veterinary medicine -- South Africa |
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dc.subject.lcsh |
Nematodes -- Research |
en |
dc.subject.lcsh |
Helminths -- Hosts |
en |
dc.title |
Seasonal availability of gastrointestinal nematode larvae to cattle on pasture in the central highlands of Kenya |
en |
dc.type |
Article |
en |