2, feeding: If you simply feed the feed, the cost is relatively high, so before stocking the fry, you can fertilize, use some rotting and fermentation of livestock manure, so that you can fertilize the water, the water will breed some small creatures, can provide underwater feed for the fish. Sometimes you can feed the meat of snails and mussels to the fish. Generally do not feed more than twice a day, and generally feed the amount of food to the fish are not eating until, so that the fish grow very quickly.
3, summer: fertilization of water quality in summer to use bio-fertilizer-based, this time can be more fertilizer, the best water color is tea-brown, but there should still be 30 cm of visible transparency, can not see anything, probably require an acre of fertilizer about 200 pounds, use in accordance with the requirements of use. To strengthen the pond and some protective facilities, blocking nets and the like, to prevent summer flooding into, wash out the facilities. This is the fastest growing period, to increase the feeding of feed, pay attention to the feed nutrient ratios, put more protein-containing feed.
4, winter: mainly temperature control, water temperature can not be less than 15 degrees, less than 15 degrees, the fish do not grow, began to hibernate, so it is necessary to provide artificial thermal insulation, you can generally add water, water depth of a little bit of the temperature underneath can be maintained, the best is the greenhouse breeding, you can create a warm environment. The water temperature increases quite a bit. This time to pay attention to less fertilizer, decomposition is slow, more planting, algae can prevent fish hypoxia. Feeding feed to maintain normal, can keep warm to maintain weight.