title: Changes in egg shell quality and pesticide content of laying hens or pullets fed DDT in high or low calcium diets.
mesh_terms: D000273:Adipose Tissue / Q000032:analysis; D000284:Administration, Oral; D000367:Age Factors; D000821:Animal Feed; D000818:Animals; D002118:Calcium / Q000032:analysis; D002136:Calcium, Dietary / Q000008:administration & dosage / Q000378:metabolism*; D002645:Chickens / Q000378:metabolism*; D003634:DDT / Q000008:administration & dosage / Q000032:analysis* / Q000378:metabolism / Q000633:toxicity; D003633:Dichlorodiphenyl Dichloroethylene / Q000032:analysis; D004032:Diet; D004531:Eggs; D005260:Female; D010573:Pesticide Residues / Q000032:analysis*; D013997:Time Factors
chemical_list: D002136:Calcium, Dietary; D010573:Pesticide Residues; D003633:Dichlorodiphenyl Dichloroethylene; D003634:DDT; D002118:Calcium