A pig can produce about 2 tons of pig manure and urine every year, but 200-300 kilograms of pig manure can be applied to each mu of pond a year, and the total demand of 10 mu of pond is 2-3 tons, so breeding 1-2 pigs can meet the fertilizer and water demand of 10 mu of pond.

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How many fish are raised in an acre of pond?

How much fish is raised depends on the scope. The fullness value (when you grow up) is about a quarter of the pond volume. Too much is easy to die or grab food, too much competition is easy to lead to low resource utilization, and how many fish are raised in an acre of fish pond depends on the quality and depth of your acre of fish pond water. Generally, the standard for an acre of fish ponds should be 600 to 800 tails. 10 mu, as long as the water quality is good, the standard should not exceed 1 10,000 to 1 10,000. 2. Prevent fish from being anoxic and pit-reversed. . At present, there are generally two treatment schemes for sewage treatment equipment in pig farms. One is to establish a biogas project to reuse the biogas generated by wastewater treatment. This is a relatively green scheme. The discharged biogas residue can be used as fertilizer to irrigate the land. If it is not irrigated, it needs further treatment before it can be discharged. The other is to directly install sewage treatment equipment, and discharge the wastewater after it reaches the standard. I know that Woneng can do both kinds of environmental protection, and the specific price needs to be determined according to the scale of the pig farm and the amount of wastewater!