Coles, J.D.W.A.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J.
(Union of South Africa : Dept. of Agriculture, 1933)
Three outbreaks of Aeqyptianellosis have been described, in the
first of which there can be no reasonable doubt that the disease caused
very heavy mortality in very young chicks. In the other outbreaks
there is evidence ...