By Carla Espinoza GutiérrezIn yet another antidumping case, American mushroom growers are celebrating a favorable preliminary determination by the US Department of Commerce (DOC). “The impact on the US mushroom industry has been significant. During the past two years, nine American mushroom farms have closed while Canadian imports gained market share in a relatively flat US market,” he told FreshFruitPortal.com. "Like many American mushroom growers, we continually invest in our operations, including production, packing technology, food safety, environmental controls, workforce development and product innovation,” he noted. “A healthy domestic mushroom industry strengthens supply, increases resilience and provides customers with dependable sourcing options.