| abstract |
The invention discloses an additive for crayfish. 5-10 parts of alkali, 20-30 parts of shelling powder. In the present invention, by adding the foxtail algae root powder, not only the foxtail algae root powder can be used as feed, but also the foxtail algae root powder can effectively purify the ammonium nitrogen, nitrate nitrogen and total nitrogen in the water, thereby purifying the water quality of the cultivating pond, In the present invention, calcium flakes are added, and the calcium flakes are crushed and added to the additives, so that the calcium of the crayfish can be supplemented, so as to avoid the soft shell disease caused by the lack of calcium in the crayfish. After the pond is integrated into the pond, the traditional Chinese medicine of myrobalan and schisandra can prevent and treat the hemorrhagic disease of crayfish caused by Aeromonas from outside the body. |