Technology of fish culture with chicken manure
The use of chicken manure to raise fish requires a small amount of time and evenly. Fish culture needs to put fully fermented chicken manure feed to avoid low oxygen content in the pond water and lead to anoxia of the fish. The fish feed should be combined with other fish feed in addition to chicken manure to ensure balanced nutrition. Change the water regularly to ensure the virtuous cycle of the fish pond.
1. Chicken manure organic fertilizer needs to be fed to fish for many times and a small amount of manure is put into the fish pond evenly. The fatness of the fish pond water can be seen from the transparency and color of the pond water. If the transparency is maintained at about 25 cm, it is yellowish brown, which proves that the pond water is OK and does not need to be fertilized. A transparency of more than 30 cm proves that the fertility of the pond water has decreased and it is necessary to apply fertilizer.
2. The chicken manure feed put into the fish pond needs to be fermented and ripened completely by adding starter first, so as not to consume the oxygen of the pond water and cause anoxia in the fish pond. The fermented chicken manure also kills viruses and parasitic eggs, which will not endanger the health of the fish.
3. Chicken manure feed is not suitable for all fish, but most suitable for silver carp, carp and bighead carp. In the fish ponds of mixed fish culture, in addition to feeding chicken manure feed, it is also necessary to feed with other fish feed and green feed, so that all fish species can be nutritionally balanced and grow better.
4. Feeding chicken manure to fish will increase the metabolic excrement in the fish pond, so it is necessary to change the pond water regularly and inject new water to keep the pond water clean and oxygen sufficient.
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Breeding technology of hemp chicken
Ma chicken breeding advocates free breeding, and the location is preferably pasture or orchard, which should be surrounded by iron wire. The best rearing season for chicks is from March to June. In order to ensure adequate nutrition, chicks need to be fed six times a day before stocking, and they can gradually enter the stocking stage.
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How long does the sow get pregnant and give birth?
In general, sows conceive once in half a year and give birth in about four months, of course, there are also special circumstances, such as too many pregnant piglets, which can also lead to dystocia, which usually ends in about 114 days, and it is possible to give birth 3-4 days short of the due date, so it is necessary
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