Abstract
Multiple intraperitoneal injections of horse serum given to domestic fowls at five different ages resulted in eosinophilia in 55% of adults and in 36% of the younger birds, the highest individual eosinophil level reached being 50% of the differential white cell count. The primary eosinophilic response in fowls was between injections 7 and 36 and there was a secondary response between injections 32 and 72.
Horse serum injections produced an eosinophilia in 88% of adult ducks with a maximum individual level of 31% of the differential white cell count. In ducks, primary and secondary eosinophilic responses occurred at injections 13 and 28 respectively.
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Maxwell, M.H., Burns, R.B. Experimental eosinophilia in domestic fowls and ducks following horse serum stimulation. Vet Res Commun 5, 369–376 (1981). https://doi.org/10.1007/BF02215007
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DOI: https://doi.org/10.1007/BF02215007