The role of the bait machine necessary for fish farming in aquaculture
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The role of fishery bait machine in aquaculture 1. The […]
The role of fishery bait machine in aquaculture
1. The application of bait machine is conducive to promoting the promotion of full-price compound feed
The application of bait feeder and full-price compound feed belongs to the category of scientific fish farming. One of the most important advantages of compound feeds is to combine various single feeds into a comprehensive and economical compound feed according to the nutritional needs of the breeds, thereby avoiding the imbalance of the nutrients in the single feed.
Some farmers have realized the importance of compound feed for scientific fish farming, and have also selected compound feed. However, traditionally, feeders are not used. If the compound feed is placed under the water to feed fish, due to factors such as small feeding surface and high water, the feed is fed. Chance to lose 15-20%. High-quality feed cannot be used correctly, and breeding benefits cannot be reflected.
2. Domesticate fish to feed on the water, reduce the bait coefficient
Domesticated fish feed on water, and one of its advantages is that it can reduce the feed coefficient (ie, save feed cost). At present, in the freshwater aquaculture of our country, the large-scale and high-value eel and turtle culture are all using the method of water surface feeding. This is because the dissolved oxygen and water temperature on the surface of the water surface are much higher than the bottom layer, while the fish are in the suitable range. The higher the temperature, the higher the feeding intensity and digestion and absorption rate, and the digestion and absorption rate is 20%-30% higher.
In addition, the fish feed on water, and the feed stays in the water for a short time, so the amount of feed dissolved in the water is very small, generally around 5%, and the loss rate of artificial seeding or traditional culturing methods is 15%-20 %. This is the most direct economic performance of the aquaculture industry.
3. The use of the feeding machine meets the requirements of multi-meal feeding in scientific fish farming
In order to ensure better and faster growth of fish, freshwater farmed fish generally need to be fed multiple meals, while artificial feeding can only be carried out 1-2 times a day. If feeding multiple times a day requires a lot of manpower, feeding 4-6 times a day, each feeding 80%, so that the fish can eat more feed without wasting feed, thereby achieving better and faster growth.
4. Proper use of the bait machine can reduce the occurrence of diseases and improve the quality of fish
In fish ponds without feeders, due to the high loss rate of feed, the organic matter of feed that sinks into the bottom of the pond and dissolves in the water body will rot and deteriorate, exceeding the purification capacity of the fish pond itself, resulting in the growth of harmful bacteria and The enrichment of toxic gases makes fish vulnerable to bacteria, disease and pests. The water body is very unsuitable for the physiological needs of fish growth, affects the growth rate, and even leads to extinct deaths such as malignant floods and explosive diseases.
However, in the pond where the compound feed is correctly fed by the feeder, there is basically no residual feed at the bottom of the pond. A small amount of fish manure and feed powder dissolved in the water can be cleaned by the pond water with good water quality. The pond always maintains a good ecosystem, so there are few fish diseases, and the use of drugs is reduced. The medicine can also be mild and non-irritating, so that the fish produced can reach the green and pollution-free standard and improve the quality of the fish.
5. The correct application of the bait machine can greatly improve the breeding skills of farmers
Because the bait machine can acclimate fish to feed on the water, you can clearly see the size, growth rate, feeding intensity and quantity of the fish. These changes are due to weather changes, water quality changes, temperature changes, medication conditions, feed Quality and other factors. As long as farmers are diligent in observing, recording, and analyzing these causal relationships, it is not difficult to find entry points for a series of problems such as artificial control of fish growth and disease, and quickly improve their breeding skills.