Nowadays, the use of photosynthetic bacteria in aquaculture is not new, but the use of photosynthetic bacteria in fry breeding is not yet common.
It is possible to cultivate high-quality and healthy fry with little or no illness so as to expand the scale of cultivation. But this matter is easy to say, and it is difficult to do. In the small space for breeding and breeding, the deposition of feed and excreta, and the emission of harmful gases make the water quality difficult to guarantee. Fish can't be kept sick, and of course it will be inevitable if it becomes ill. Medication. For example, the commonly cultured young fry are susceptible to drug resistance because of frequent use of the drug. If the fish get sick again, using the same dose of medicine will not achieve good results. In order to cure fish diseases, they had to increase their doses. This created a vicious cycle.
To make the fish less sick or even get sick, in addition to doing a good job of epidemic prevention, it is also necessary to feed nutritionally complete feed, and the water quality should also be clean and fresh. Aquatic experts have discovered in recent years that the photosynthetic bacteria in fish ponds are very effective.
The role of photosynthetic bacteria in aquaculture is the same as that of lactic acid bacteria that people drink. Spilling it in a fish pond will form a beneficial bacterial mass in the pool water. Those harmful pathogenic bacteria will no longer have their place. Without the infestation of harmful bacteria, the fry naturally grows healthily.
Photosynthetic bacteria are not just “water treatment experts†in the cultivation pool, but also can be used as feed. Because photosynthetic bacteria can be biotransformed, they can synthesize non-toxic bacterial proteins without side effects and rich in nutrients. China's fisheries experts use density-enhanced photosynthetic bacteria of chlorella to cultivate the fish's open-ended bait, the rotifer. Rotifers are the favorite food for juvenile fish. Generally, they are fed rotifers after 13 days of growth. The rotifers cannot be fed directly. Before feeding, they need to be handled simply by removing the shell of the rotifers, which is beneficial to the digestion of juvenile fish. After the fry had eaten a highly nutrient-enriched rotifer that was rich in photosynthetic bacteria, the body became stronger, less sick and grew faster.
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