Lindane Residues on Alfalfa and in Milk1

Abstract
Alfalfa was treated with lindane at 0.2 lb per acre 14 days prior to harvest and baling. The baled hay was fed to lactating cattle for a 3-week period initiated 3 weeks after harvest, and for a second equal period after 6 months of storage in a barn. Green forage, dried hay, and milk samples were periodically collected and analyzed for lindane residues. At the time of harvest the green alfalfa contained 1.33 ppm lindane on a dry-weight basis. Analysis revealed the presence of 0.53 and 0.46 ppm lindane in the milk during the first and second feeding periods, respectively.

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