However after parturition, faeces Ca was increasing and urine Ca was reducing. 粪钙和尿钙降低，产后粪钙略增加而尿钙明显降低。
In one, involving salmon, some fish froze to death and piscine faeces turned the nearby ocean floor into a wasteland. 原因之一是，包括大马哈鱼在内，一些鱼被冻死，加上鱼的排泄物使得附近的海洋洋底成为无法生息的荒原。
The effect of animal faeces on the environment was discussed according to analysis of animal facces. 通过对动物排泄物成分的分析，讨论其对环境的影响。
美
['fiːsiːz]
