How to feed fish with rare earth
In the feeds fed into the fish and adult fish, proportionately adding some rare earth can not only improve the feed utilization, but also promote the growth of the fish, enhance its resistance to diseases, play a role in preventing and curing diseases, and reduce the death of fish. Improve economic efficiency. The method of feeding the fish is: 40-50 g of rare earth or 1 package of rare earth additive, first dissolve with a little vinegar or acid water, and then mix with 0.5 kg of water, and evenly spray on the 60 kg of concentrated feed with a sprayer. Mixing, if possible, can be made into extruded feed, the effect is more ideal. Feeding 300 ppm of rare earth into adult fish is sprayed on the grass about 10 days before the cut. The amount of mu is generally 50 kg. This can increase fresh grass production by 7% to 9%, while reducing the loss of rare earths that are lost due to water dissolution. Can also be in the day of mowing, per acre fish with rare earth additives 2 packages, spray on the grass, until the water is dry, you can cut feeding. Can also be the first cut grass, let the sun a sun, and then use rare earth 40 grams plus rare earth additive fish 1 package, 20 kilograms of water, sprayed on 300 kg to 400 kilograms of green fodder, and then fed. Note that it is recommended to feed on a sunny day and it is not advisable to feed it on rainy days. Feed in the afternoon from 5 to 7 o'clock, because this time is the peak of fish feeding. Improve water quality first, then feed fish. If it is good quality water, feed it immediately. If the water is turbid and smelly, replace it with fresh water before eating. Disinfected fish ponds, before the fry in the pond, with 150 grams of rare earth or 3 packets of rare earth additives per acre, plus 250 grams of salt, watered 50 kg, dubbed rare earth solution, sprinkled in the pond, 5 minutes later put the fry The effect is better.
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