Avian eggs lose water during incubation. Within a species, the rate of water loss can vary as a result of variations in nest humidity and because egg shells differ in their resistance to the diffusion ...
Chemically excysted metacercariae of Echinostoma caproni inoculated into the allantois of domestic chick embryos became ovigerous in that site within 9 days postinoculation. The egg preparation ...
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