Chicken

Chicken are presented as both recipients and carriers of pesticide residues: evidence describes chickens poisoned by aldrin on a neighboring farm passing the chemical into their eggs, and hens experimentally fed DDT laying eggs with substantial residues. These examples make the egg a concrete measure of how pesticide exposure can cross from an exposed animal into food intended for human consumption.

Evidence in Eggs

The book reports that chickens poisoned by aldrin used on a neighboring farm passed the chemical on to their eggs. The circumstance matters: contamination did not stop at the treated farm or the exposed birds, but appeared in a food product. The account offers no residue level for these eggs, but identifies the transfer itself as evidence of pesticide movement into the food supply.

A separate experiment fed hens DDT and found as much as 65 parts per million in their eggs. This measured result gives a specific scale to the concern and distinguishes experimental exposure from the neighboring-farm poisoning example. Together, the cases show residues reaching eggs by more than one route: an unintended exposure associated with nearby aldrin use, and deliberate feeding in an experiment.

Pesticides That Persist and Accumulate

The egg findings sit within the book’s broader account of how DDT behaves in the body. Because it is fat-soluble, DDT is stored in organs and fatty tissues. The author says this storage begins even with very small intake and continues as residues accumulate; those fatty depots can magnify concentrations, with a dietary intake of one part per million associated with storage of about 10 to 15 parts per million.

The text further emphasizes that these small pesticide amounts are cumulatively stored and only slowly excreted, making chronic poisoning and degenerative changes a concern. This general account provides context for the residues measured in eggs, but does not establish that the particular DDT egg experiment produced harm in consumers or specify how long the residues remained in the hens.

Significance for Food Exposure

Chicken and their eggs help make an otherwise hidden transfer visible. The passage connects pesticide application and exposure in animals with residue in a familiar food, while the reported DDT measurement shows that the quantity could be substantial. The account’s significance lies in this movement across boundaries—from neighboring farmland to poultry, and from an exposed hen into its eggs—rather than in any claim about a documented human illness caused by eating them.

The examples also reinforce the book’s concern that people are not exposed to a single chemical in isolation. It notes that human exposure can involve multiple insecticides and other chemicals whose interactions may have serious potential. The chicken evidence does not describe such interactions in the eggs themselves, but it illustrates one route by which pesticide residues can enter the broader pattern of human exposure.