1 Do not bring any infected birds or animals on to your property. 2  The adult fleas may be controlled by smearing the infected parts of the birds with a non-burning greasy substance such as petroleum jelly (for example Vaseline).  Birds can also be treated with a 0.5 per cent solution of maldison.
Definition of impoverished. 1  1 : reduced to poverty : poor an impoverished family/community. 2  2 : exhausted of richness or fertility impoverished soils. 3  3 of a fauna or flora : represented by few species or individuals.
Implications. Impoverished Americans are more likely than those who are not in poverty to say they have ever been diagnosed with many chronic health problems -- with depression being a particularly pronounced issue.