A postal questionnaire asking for data concerning heartwater deaths was sent to all large-scale commercial farmers in Zimbabwe's lowveld, where heartwater is endemic. One hundred and fifty returns (24 percent return rate) provided usable data, with 85 farms (57 percent of sample) reporting heartw...
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https://cgspace.cgiar.org/handle/10568/29526
Meltzer, M.I.
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Perry, Brian D.
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Donachie, P.L.
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[Mortality percentages related to heartwater and the economic impact of heartwater disease on large-scale commercial farms in Zimbabwe]
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Mortality percentages related to heartwater and the economic impact of heartwater disease on large-scale commercial farms in Zimbabwe