An estimated 8.9 billion animals a year are raised in confinement where cramped conditions, a lack of exercise (or fresh air), and high stress environment necessitate the use of antibiotics.

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Clearly, it's an easier path: no debates over the location or conditions of confinement.

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Avigdor Feldman, a lawyer who met with Zygier shortly before his death, has speculated that the difficult conditions of solitary confinement led the 34-year-old man to take his own life.

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