2021
DOI: 10.51791/njap.v18i.1973
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A. O. AYENI

Abstract: An outbreak of Heartwater disease in young West African Dwarf ram/lambs on pasture in Ile-Ife is reported. The outbreak which started 2 weeks after being put to pasture lasted 4 weeks. It affected seven out of 24 lambs put to an ex- perimental pasture. The remaining animals in the unit (about 250) were  apparently not af- fected. In 3 of the cases Cowdria ruminantium organisms were demonstrated in the endothelial cells of the jugular vein. Ticks removed from the animals and ground in sterile saline produced He…

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