Carp in pond of fire. The Archive Forums Of The Open St. Petersburg's Hunter
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The agricultural portal – Pond fish farming. Species of fish

Pond fish farming. Species of fish

In home waters well bred carp, crucian carp, tench, white Amur, silver carp, pike, Zander. With low-value, weed fishes in waters are able to dwell in bleak, perch, gudgeon, roach and loaches. Requirements for the environmental conditions the fish are divided into 2 types: thermophilic and Holodnaya.

Thermophilic (carp) nice grow, develop and prefer stagnant water, which heated well, with a moderately developed in them by aquatic vegetation. They breed in the summer-autumn period of time. Limitat eggs on vegetation. Often by a number of days from the eggs emerge the larvae, which after become fry.

Cold-water fish demanding clean water with a high concentration of oxygen in it. Eggs lay fish, usually late in the fall on stony ground, where it develops for some months. In backyard pond, it is advisable to breed a number of fish species, increases the total output of fish products due to the different spectrum of power.

Carp is most common in fish ponds. She’s prolific, with a large fast growing, provides good palatability (proteins 16%, fats-15%). For carp the best T water is 22-27 ° C, oxygen fairly 5-7 mg / L. Under these conditions and copious feeding, the growth rate of 5-7 grams per day.

In winter carp are often not fed during this period, he quite 4-5 mg / l oxygen. When the concentration of oxygen is only 0.3-0.5 mg / l in winter and 0.5 mg / l in summer, it dies.

Karpov variety of food from small crustaceans (Daphnia, Cyclops) to worms, mosquito larvae and other insects. In addition, carp is good to digest grain waste, oil cakes, animal feed.

Sexual maturity comes in 4-5 years. Caviar carp lays on the grass in various small areas of the reservoir. Spawning often occurs at T water not lower than 17-18 ° C, in a quiet, Sunny and windless weather. 1 kilogram many females lay in the area of 180 thousand eggs, which develop up to 5 days. Larva in about 4-5 days turns into a fry.

Fry from spawning ponds are transplanted into nursery ponds, where they grow until the autumn. Many of their standard must be to fall at least 20-30 g. After wintering they are transplanted into feeding ponds for the cultivation of commodity fish and contain up to 2 years, for which he often ends the production cycle.

Carp is a typical fish pond. Distinguish carp gold (in pools), silver (in flowing waters). They only differ in external coloration and some morphological characteristics. Better lazy and sedentary carp perceive themselves in thickets of water vegetation, where they find their food (lower crustaceans, mosquito larvae, molluscs, detritus, Oligocene, algae, insect larvae, worms). When the sufficiency of the Golden carp in 8-10 years weighs 1-1. 5 kg, silver in 5-6 years-up to 1 kilogram.

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