We need better diagnostics and medicines, especially for the protozoal diseases.
我们需要更好的诊断制剂和药物，特别是对原虫疾病而言。
2
Water may contain pathogens, particularly certain viruses, bacteria, protozoal cysts, and worm eggs, that are transmitted from feces to mouth.
水常常会含有病原体，特别是某些病毒、细菌、原生动物胞以及蠕虫卵，这些都是经由粪便传入口中的。
3
The ruminal protozoal is the important component of the ruminal microorganism. They influence the digestion and utilization of carbohydrate, nitrogenous material, mineral and vitamin in feed directly.