| environ. | shellfish farming Raising of shellfish in inland waters, estuaries or coastal waters, for commercial purposes. All commercial shellfish beds producing bivalve molluscs must be monitored for microbial contamination. Samples of water and shellfish flesh must be tested for the presence of algal toxins. Periodic monitoring of fish and shellfish must be carried out to check for the presence of contaminants | 贝类养殖 (为了商业用途在内陆水域、河口或沿海水域养殖贝类。所有生产双壳类软体动物的商业使用的贝类床必须监控微生物污染。水和贝类肉的样本必须做藻毒素量的测试。必须定期监测鱼和贝类以检查污染。) |