1. Some components in Angong Niuhuang are toxic to fish, which is beyond the tolerance range of fish. These components will have adverse effects on the physiological function, metabolism and immune system of fish, leading to pathological changes and death.
2. The ingredients in Angong Niuhuang will adversely affect the water quality of fish, change the pH value and oxygen content in water, and lead to the deterioration of fish environment, thus affecting their survival and health.