Dieldrin and p,p'-DDT effects on egg production and eggshell thickness of chickens.
D000704:Analysis of Variance; D000818:Animals; D001835:Body Weight / Q000187:drug effects; D002118:Calcium / Q000032:analysis; D002645:Chickens; D003634:DDT / Q000494:pharmacology*; D004026:Dieldrin / Q000494:pharmacology*; D004528:Egg Shell / Q000032:analysis*; D004531:Eggs; D005260:Female; D013997:Time Factors
D003634:DDT; D004026:Dieldrin; D002118:Calcium