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Feed costs account for most of the total fish farming expenditures in the pond. Trying to save feed and increasing feed utilization is an effective way for fish farmers to increase their profits. Several kinds of material-saving methods are introduced for reference.
1. Grass or grass can be used to grow wheatgrass or Sudan grass at a ratio of 5:2 on the surface of the water, or manually cut dry grass or fish to feed the fish, and pay attention to the grass when the grass and feed are fed together. Material supplements. In this way, grass feed can be fed without feeding or less. Generally 25 kilograms of grass can increase the weight of fish by 1 kilogram, and the economic benefit is increased by 3 to 5 times compared with concentrates.
2. The insects feed the fish every 2 kilograms of moths to increase the fish weight by 1 kilogram. The moths are extremely rich in nutrients and fish-loving baits. Insects method: First, in the summer and autumn, depending on the size of the water, 60 watts of electric lamps can attract 4-6 kilograms of insects such as moths and grasshoppers every night, which provides fish with high-quality feed, but also for agricultural crops. The second is to hung a container filled with dead animal corpses on the surface of the water, induce fly breeding, and drop into the water for fish to feed.
3. Poultry fish mixed geese and duck houses are built on the edge of the pond and are polycultured with the water surface; fresh poultry manure can also be used to directly feed fish or mixed with equal amount of grain to make granules for feeding fish.
4. Scientific Feeding, Increased Utilization When modulating or processing feeds, mix as many varieties as possible, and add 0.5 kg of salt per 100 kg of feed to enhance fish appetite. Increase the number of rations to 4 to 5 times, and pay attention to changes in the weather. Determine the amount of feed each time based on the weather conditions, fish pond water quality, and fish feeding conditions to avoid feed wastage.
(Feng Guang Post, Health Center, Huanggang Street, Chenggu County, Shaanxi Province, 723209)