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Yicheng Xie (Texas A&M) and colleagues published a research article in Frontiers in Microbiology on differential phage efficacy in controlling Salmonella in cattle hide and soil models. They found that phage ability to plaque on a bacterial strain is a poor indicator of antimicrobial activity, but performance in liquid cultures is a better predictor. They also concluded that a phage capable of achieving bacterial reduction in one model is more likely to perform well in another.