From June 3, 1963 to July 30, 1967 at the pastures in the Ukrainian Steppe the experiments were carried out for studying the periods of development and survival rate of eggs and larvae of Strongylata in excrements of sheep ...

Determination of Bunostomum females as well as females of the other Strongulata offers great difficulty, because their structure, especially the structure of ovijector and tail end of the body was not studied enough. This ...