Foxes shed gravid proglottids into the immediate environment surrounding the fox pen site.
The placentae of the experimental gravid monkeys demonstrated diffuse congestion of the intervillous space and coagulation necrosis.
No significant difference in worm burden was found between treated and control birds (table 1) and no females were gravid.
This could be interpreted as a declining ability of the gravid female beetles to climb high up the stalks.
The four sham-operated gravid dogs and the four nonpregnant operated dogs remained normal.
Most were mated and almost all were gravid.
Ninety-four percent of toads supported the development of gravid parasites.
Female worms were grouped into immature, maturing and gravid and all these stages were present throughout the year.
