Broodstock Spring Cultivation Tips


First, feeding bait grass broodstock to feed grass and concentrate materials, according to the source of grass, the general vote in the morning, feed the fine material in the afternoon, must be fed on a fixed food table, early spring can feed the grass and broodstock Some malt, grain buds, lettuce or cabbage leaves, late feeding ryegrass, aquatic plants, etc., feeding the amount of 2% to 4% of the fish body weight, each feeding amount to 2 to 3 hours after eating. Green broodstock must be fed with a certain amount of animal feed, and live snails and oysters should be fed once every 2 to 3 days.é²¢ é²¢ é³™ é³™ broodstock fish feed every day 1% to 2% of the powdered concentrate, 1 month before oxydoping, such as water quality can be stopped feeding.

Second, fertilize fish ponds and broodstock fish ponds and inject organic fertilizer once every 7 to 10 days for 100 to 150 kilograms per acre. If there is a shortage of organic fertilizer, appropriate chemical fertilizers may be applied, and every 5 to 7 days will be applied once. About 5 kg. The green and green brood fish pond water is preferred to oil blue and yellow green, and the brooding fish pond water is dark brown, and the transparency is maintained at 35 to 40 cm. Fertilization can be stopped 15 days before oxytocin production.

Third, adjust the water quality Before you start feeding fertilizer, it is best to change the brood pool water to 1/2, and maintain a water depth of 1 meter.鲢 鳙 鳙 鳙 鳙 鳙 鳙 鳙 鳙 鳙 鳙 每隔 每隔 每隔 每隔 每隔 每隔 每隔 每隔 每隔 每隔 每隔 每隔 每隔 每隔 每隔 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 每隔 3 , You can add water once every 2 to 3 days. When you add water, the flow rate should not be too rapid to prevent the brooding fish from consuming too much energy because of the top water.

IV. Xuntang and Disease Prevention Each day, the patrol ponds are used once a day at dawn and in the evening. Check whether the fish has floating heads, whether there is any increase or decrease in food intake, and whether the water is thin and thin, and find that the problem is solved in time. After the water temperature rises, the broodstock pond is sterilized once every 10 to 15 days. Each pond is about 0.5 kilograms of bleaching powder, dissolved in water and sprinkled on the food field and its surroundings.

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