Feeding should be based on the biological learning and ecological habits of the juvenile fish to determine a reasonable feeding method. In order to improve feed utilization and reduce feed costs, feeding must adhere to the "four-time feeding method," namely, timing, positioning, qualitative, quantitative.
Under suitable temperature conditions, it is well-digested and absorbed. In general, it is fed for 2 days to 3 days. If the humidity is lower than 10°C, it is fed once every 5 days to 7 days. The giant salamander is nocturnal and feeds at night. Therefore, the feeding time in summer is from 8 to 10 in the evening and from 6 to 8 in the winter.
There are many factors influencing the feeding of the juvenile fish, such as water temperature, dissolved oxygen, water quality, diseases, feed varieties, and feed quality. Water temperature is an important factor influencing the feeding of the giant salamander. Because the salamander is a variable temperature animal, the body's physiological metabolism changes with the temperature of the water. In the optimum temperature range of the giant salamander, its feeding and growth are proportional to the increase in water temperature. In general, feeding above 12°C, the food intake was 18°C ​​to 23°C, and the most rapid food intake was achieved. The water temperature rose above 26°C, and the food intake decreased. When it rose above 28°C, it entered the "summer sleep."
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