Effect of Low Exposure to Polybrominated Biphenyl on Production and Other Indicators of Dairy Herd Performance
Michigan dairy herds with continuous Dairy Herd Improvement Association records 1969 to 1978 were identified. Herds that were exposed to polybrominated biphenyl in 1974 at concentrations generally not causing residues in tissue or milk fat greater than .3μg/g were compared with control herds of comp...
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Veröffentlicht in: | Journal of dairy science 1983-06, Vol.66 (6), p.1303-1311 |
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Sprache: | eng |
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