June pond management techniques
In early May, the weather changed greatly, the temperature and water temperature rose further, but it was uncertain, which made it difficult for the management of pond culture. In the middle and late May-June, the weather will stabilize and the duration of light will increase. The metabolism of fish will be strong and the feeding ability will be further enhanced. June pond management should grasp the following technical points:
The amount of feed should be increased, select a high-quality feed with a high protein content (28%), add appropriate amount of green feed, combine the feed with a thick and thin feed, feed 2 times - 4 times a day, and the feed amount should be about 3% of the fish's body weight. It is advisable to eat 8 minutes or more, and eat a small amount of meals in accordance with the "Four Sets" principle.
Mainly to maintain fertilizer, timely fertilizer, water transparency maintained at about 30 centimeters, but also to add new water in a timely manner to maintain water quality "fat, live, tender, cool."
Temperature rise or rainy weather should be timely increase aerator oxygen, prevent fish floating head. The addition of aerators to oxygenation is in accordance with the principle of "opening up and opening the two without opening."
We must do a good job of preventing diseases. Every 12 days and 15 days, lime water is used to sprinkling once, using fresh lime of 15 kilograms to 20 kilograms per acre for water depth of 1 meter; or using copper sulphate and ferrous sulfate mixture (5:2) 0.7% per month. G/m3, or 90% crystal trichlorfon 0.2g-0.5g/m3 is uniformly sprayed once to prevent parasite fish disease. Feeding fine and green feeds can be added by adding 0.15 kg of oxytetracycline per 100 kg, which can prevent bacterial fish diseases.
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