Arithmetic mean and standard deviation, and geometric mean and standard deviation of ADDD/Y for veal calf and pig farms, and of ATD/Y for broiler farms.
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*In order to calculate the natural log, ADDD/Y ≤ 0 was set at 0.1.**Farms where no animals were present were excluded, 2111 farms are included in this category.
创建时间：
2015-12-02
