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Calves, breeding cows and milch cows on 4 farms in the Valle and Quindio Districts of Colombia were examined by blood smears and serologically for blood parasites monthly (calves) or quarterly between August 1988 and July 1989. At each sampling, the numbers of ticks (Boophilus microplus) present...

Zintz, R.
Tierärztliche Hochschule Hannover, Hannover, Germany
Untersuchungen zur Epidemiologie der Hämoparasitosen in milchproduzierenden Betrieben in Valle und Quindio (Kolumbien)., 1990, pp 131 pp.