Huchzermeyer, Fritz W.; Cilliers, J.A.; Diaz Lavigne, Celestina D.; Bartkowiak, R.A.; Bigalke, R.D.(Published by the Government Printer, Pretoria., 1987)
Infection with the obligatory intra-erythrocytic anaplasma-like rickettsia Aegyptianella pullorum in 4-week old
broilers at a moderate altitude of 1 200 m produced a significant increase in the mean relative right ...
