The main methods of intensification of pond fish farms are feeding fish and fertilizing ponds with increased stocking density of fish per unit water area. Natural forage base of the pond with increased stocking density of fish was not enough; she can no longer provide favorable conditions for feeding and growth of fish. In order for the fish planted in the pond on the increased norm, grew well and by the autumn had reached the standard weight, it is necessary to additionally feed her fodder mixtures and to simultaneously increase the stock and utilization of natural fish food by fertilizing the ponds, application of mixed landings of fish and other ways.
Range of feed for pond fish is quite large. They can be divided into feed of plant and animal foodstuffs. As plant feeds for fishes used most often wastes of different crops (barley, rye, wheat, corn) and legumes (lupine, soybeans, lentils, peas). Grain feeds rich in carbohydrates, legumes – proteins. Apart from them, are widely used for feeding fish different kinds of food, and even housing polikarpovich oilseed meals and cakes: sunflower, hemp, safflower, rapeseed, cotton, flax, etc. Continue reading
One of the most unexpected places on the planet where man is danger, consider not only the sea, and conventional reservoirs in which also are found the most dangerous fish. It turns out that to face the most dangerous fish you can even in the most ordinary and harmless in our view lakes, shorelines and rivers. Paku (North America, Asia) – fish, reaching a length of about one meter and weighs more than 25 kg. this fish is just horrendous teeth. They are almost like human. And this set of teeth for eating algae…Initially the Pak dwelt in the waters of the Amazon. Today it can be found in North America, and Asia.The reason for this distribution was the permit for sport fishing.
The big scary fish is called Ki-ganetskogo pilialoha Stingray . Polarily giant Stingray can turn any prey into mincemeat. This long slope of 7 meters. He also is armed by nature, a 3-meter nose with huge sharp blades. Scat on people not to hunt, but his poor eyesight. And if you encroach on his territory, he will immediately be able to see you and take for a stranger. Now the largest individuals of this species can be found in lakes and rivers. But, unfortunately, this sea “the Ripper” may disappear because of human intervention. Continue reading
The aquarium in the sense of the population should be a little “underutilized”. Learn how many centimeters to grow those fish, which you have chosen for contents, and make a simple calculation: for every two centimeters of body length (caudal fin not considered) should have no less than a liter of water. To populate the aquarium it is better not adults, and young fish, they can adapt to the conditions. We can recommend swordtail, platies, spotted catfish, blue and black neon, cardinal, erythrozonus, ternario, fiery and scarlet barbs. A community of these fish is a whimsical set of shapes and colors.
Which fish to get ?
A decisive factor in the selection of fish should be the size of the aquarium. To bring you joy, the fish with the necessary conditions of existence.
Need to find out how many of them can hold your aquarium. Usually the calculations are made based on the requirements to the oxygen flow rate based on the ratio of the length of adult fish (without a tail) to the area of the surface of the aquarium: Continue reading