Campylobacter sources during the sampling period across farms.
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资源简介：
Bold type indicates positive result; -, not tested; *, approximate day of sampling; a, air; ap, apron; cl, clothing; co, support columns; d, drinkers; f; fan, fe; feeder, fl; floor, h; horse faeces; i, insects; p, puddles; r, rodent faeces; w, walls; wa, water; c, composite samples.
创建时间：
2015-12-02
