Huang Yi winter management technology

Huang Yi winter management technology

In the late autumn and early winter, the water temperature dropped. When the water temperature dropped below 20°C, the food intake of the astragalus decreased. When the water temperature dropped below 15°C, it basically stopped feeding and entered the hibernation state below 10°C. Therefore, to improve the success rate of astragalus breeding, the wintering work is even more important. When the water temperature is appropriate at the beginning of autumn, nutrition should be intensified to enhance the body composition of jaundice in order to prepare energy consumption for overwintering, that is, to strengthen the feeding of feed and timely supplement liver and gallbladder, promote digestion and compound vitamins to enhance the body's anti-stress ability. When the water temperature drops to 15°C, it is necessary to prepare for the wintering of the yellow peony. The specific method is: to remove water hyacinth and Other aquatic plants, the bottom of the pond is covered with 20cm thick sun-disinfected and contains more alkaline alkaline soil, then the disinfection of the current year straw put pond water, thickness 40- 50cm, this way, when the temperature is low, the yellow peony will drill into the sediment. When the temperature rises, the jaundice will drill into the straw, or drill to the sun on the surface of the straw. During the wintering period, the pond water body should be exchanged less, so as to avoid the water temperature is too low to freeze the yellow peony. Artificial breeding of carp must be tamed to succeed. There are two types of seedlings to be domesticated: one is a seedling that has just been acquired or caught by oneself. It is relatively easy for such seedlings to be eaten. The other type is seedlings that have begun to eat fresh baits (frozen fish, fresh fish, quails, etc.) normally, and wintering jaundice is mostly such. The time of starvation of these seedlings must be a bit longer, and the fresh bait used for soaking feed must use the fresh bait before stopping the food, because the adaptation period of the astragalus to food conversion is longer. Once the food is normal, do not easily change the feed, so as not to cause seedlings to eat hard and stop eating, affecting growth. It is worth noting that in the process of taming, the fish paste soaked in the feed can not be mixed with shaped fish, fish, etc., otherwise the seedlings will choose to eat these moldings first, and if they are half-saturated, they will lose interest in the compound feed. Taming the speed of success.

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