Developmental Responses in Chick Embryos Exposed to Different Gaseous Environments for Short Periods During Early Stages of Development
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Watkins, Edgar H. (Drake University, 1972-09)The problem. This is a study to determine if the growth rate of the developing chick embryo is changed by the teratogenic agent, trypan blue. Procedure. The eggs were divided into three groups, unopened controls, ...
Effects of Marek's Disease Herpesvirus and Turkey Herpesvirus Upon Immunity to Eimeria Acervulina in Young Chickens Herr, Marvin Leroy (Drake University, 1975-01)The problem. Concurrent infections with Marek's disease (MD) and coccidiosis in chicken flocks have perplexed investigators for years. Infection with MD herpesvirus has been shown to inhibit immunity of chicks to ...