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Dr.HarveyWiley'sfamedPoisonSquadconsistedoftwelveyoungmaleswhowerethesubjectsoffeedingexperiments,conductedbetween1902and1904,usingpreservatives,includingbenzoate,borax,and______________,thatwerethenfoundintheAmericanfoodsupply.

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Respect for animal welfare is often based on the belief that non-human animals are __________ and that consideration should be given to their well-being or suffering, especially when they are under the care of humans.

Animal welfare science uses various measures, such as longevity, disease, immunosuppression, behavior, physiology, and ____________, although there is debate about which of these indicators provide the best information.

The welfare of laboratory animals includes two main issues: one is their breeding and general maintenance, the other is their _________ during experimental procedures.

In the maintenance of laboratory animals, the standardization and elimination of confounding factors like ____________ are the main principles by which the scientific reliability of experiments is ensured. This means many restrictions on the environment of laboratory animals.