First, feeding characteristics
The purpose of feeding schemes is to give the farmers a clear picture. The feed intake of ponds is a gradual process from March to August, reaching the highest point in early September, followed by a decline process, ending in November. Late. The climate is suitable for fish growth in September, which is also the peak season for food intake. The feed intake accounted for 22% of the total amount of the year, and the share was the highest in the year. Feed intake in October accounted for 18% of the total, slightly lower than August (19%). In November, feed intake accounted for 5% of the total amount of the year, and feeding ended in late November. According to the characteristics of fish growth, the monthly feed volume is usually divided into three periods: above, middle and late. One-third of the total amount of the plan for the month is the amount in the middle, and the amount is evenly distributed to each day. At present, due to the gradual cooling of the weather, the amount of feeding in the upper, middle and lower seasons has changed to 120%, 100%, and 80% of the amount in the middle of the month, and it is decreasing. (From March to August, it is 80%, 100%, and 120% of the amount in the middle of the month, showing an increasing trend).
Second, pay attention to
(1) Feed evenly. On-demand production can ensure the continuity of production, and can solve the problem of uniform feeding, and can also reduce costs and improve efficiency. Although the daily feeding amount in the first ten days is certain, when the daily feeding amount is specifically implemented, it is necessary to combine the weather changes of the day. Because the weather changes affect the dissolved oxygen in the water, and the dissolved oxygen in the water affects the food intake of aquatic animals. When aquatic animals are in a specific dissolved oxygen, it is best to eat 7 to 8 percent a day. Popularly speaking: Under certain climatic conditions, eat 7 to 8 percent per day, not hunger and meal. Just feed evenly.
(2) Combining feed with natural bait. In the feeding process, if the natural feeding habits of aquatic animals are neglected, it is easy to suffer from nutritional deficiencies and the stress response is strong. When the weather is abrupt, the mouth of the pond is artificially fed. Although the compound feed is fresh, palatable, and nutritious, there are also deficiencies. If the combination of the two can be used to complement each other, it is conducive to fish growth and improve immunity. Therefore, when feeding, it is most suitable for the nutritional needs of the natural bait that they like to eat. Feeding food, growing fast, this way generally does not produce nutritional deficiencies.
(3) Reasonable. According to the weather changes, the amount of feeding is adjusted in time, and there is a phenomenon of “satisfaction and death†in production. The reason is: neglecting the increase of oxygen consumption after aquatic animals feeding, the feed in the abdomen is more difficult and the dissolved oxygen is less than the aquatic animals without feed. The difficulty. Under certain dissolved oxygen, it is best to eat 7-8 percent of the fish every day. Feeding: To be sunny and normal on time, the rainy weather is less, such as thunderstorms in the afternoon or unusually hot weather, the last meal can be cast less or not. Fall water temperature drops, to prevent excessive feeding. If the fish does not rise out of the water cluster, it is better to let them go hungry temporarily. In addition to the reasonable grasp of the amount of feeding, it is also necessary to pay attention to whether the feed is timely. In order to safely fish the winter, in the late feeding period (at the end of the feeding), adding some feeds with higher fat content, increasing the accumulation of fat in the body, is conducive to keeping warm.
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