Two experiments were conducted to investigate the effects of
p, p'-DDE and p, 'Dr-DDT on the performance of Coturnix quail (Co-.
turnix coturnix japonica) fed an adequate and deficient calcium diet.
In Experiment I four hundred day-old Coturnix quail of mixed
sex were fed 0 and 50 ppm of p,...
The social and economic objectives of society in the United
States are many and varied. All objectives, in turn, cannot be
achieved simultaneously because of a finite resource base. The problem
of finding an optimum, in some sense, level of achievement for
the various objectives is complicated by lack of...
