The cause of the onset of common cold is that under the conditions of artificial breeding, the temperature difference changes greatly, causing the moon to get cold slowly; improperly adding well water or spring water in summer and autumn will cause severe death of the acute cold on the moon and rapid temperature change. At that time, the fry fish species floated on the water surface and became unstable. The following mainly describes the prevention and treatment of the disease for reference:
Symptoms: dark complexion, prominent eyes, frequent spit bubbles, intestines congestion, do not eat, eat fish hanging under the anus of a white strip of feces. Adult fish violently tumbling, struggling, jumping and then dying. This disease is one of the most easily overlooked diseases in the culture of the clams, and it is more harmful.
Prevention: In the summer and fall season, use low temperature well water or mountain spring water injection, the water injection amount can not exceed 20% of the original pool water, and change a flush to flat water; design and maintain a good ecological constant temperature environment; change the temperature of the water, water temperature difference Within 2°C, adults are within 5°C.
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