Advice 1: How to grow trout

Trout is a wonderful fish, exquisite delicacy. And its cultivation is a very profitable business because with the right content grows fish very fast and gives a good income. Trout are bred in natural conditions and in artificial ponds.
Instruction
1
First you need to buy young trout in one of the existing farms or in the Federal breeding center in the village of Ropsha. Of course, you can attempt to fertilize eggs in the incubator, grow the fry in the nursery, and then release them in cages, but it is very troublesome. For beginning farmers best is right buying a young trout. And to create for its growth in optimal conditions is not a difficult task.
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Vodafone need to provide a comfortable existence temperature. This fish likes cold water – 15-18°C. Already at 21°C trout becomes uncomfortable, and at 25-26°C, it dies.Trout loves water, saturated with oxygen. When it becomes too low (4-5 mg/l), she suffers and grows poorly. Maximum permissible content in water of carbon dioxide for breeding of this fish - 40-60 mg/l. Also should not be too much ammonia when present in the amount of 0.3-0.4 mg/l and a water temperature of 14°C and the oxygen content of 9-10 mg/l trout dies.Trout feels good in the water of medium hardness, clean and clear, but lightly shaded. The ideal environment is neutral or slightly alkaline, with a pH of 7-8.
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Place obamaniacs trout-suitable for ponds, cages or tanks. Ponds built on thick soil below, they were not stagnant, and ensured the flow of water. This is good to use a rectangular shape and a depth of 1 m. it is Necessary to ensure change of water in a pond or pool, and the cage at least 2-3 times per hour, but preferably 10-15 minutes. Under these conditions, the density of fish can reach 600 to 750 ind./m3.
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To carmineeternity trout should be 2-3 times a day. The diet should be complete, the use of specific feed of natural and artificial origin, both vegetable and animal. The source of protein is fish and bone meal, skimmed milk, fodder yeast (they also provide trout with vitamins). An essential element of food are fats, of which fish gets the energy necessary for growth, but carbohydrates in the diet must be a little - trout in the little intestines the enzyme for cleavage.
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Razmnozheniya trout by artificial spawning. To do this, the eggs and sperm take from manufacturers, otceživaâ by special technology. Eggs from several females placed in a basin, and then mixed with milk from several males. The fertilized eggs sent to the hatchery.

Advice 2: How to choose a trout

Trout in the diet of today's consumers are rarely present because of the high prices. However, this delicious, nutritious, rich in fatty acids, fish is able to stabilize the cholesterol level in blood, improve brain and nervous system, strengthen the walls of blood vessels and be a prevention of cancer. Trout is not only worth the money it will bring incredible pleasure to become a decoration of any table. How to choose the right real trout?
Instruction
1
Trout belong to the Salmonidae family. This is a very beautiful fish, she has brown back, Golden sides and abdomen Golden. Body trout long, and the fins are colored specks. Trout on the mind is divided into marine, freshwater, rainbow and brook trout. Sea trout are often the biggest and the smallest fish - stream, it only grows up to half a meter. By the way, char is the most tasty and useful, because it is found only in clear mountain streams. However, the stores can be found and rainbow trout, because, due to its ability to grow rapidly, it is bred on fish farms.
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To make the fish presentable appearance and increase in weight of farmed trout feed added growth hormones, antibiotics and even colorants (canthaxanthin is a food additive that partially banned in Europe). Doctors do not recommend to cook farmed trout more often than once a month. To distinguish natural trout can only be a more pale color of the meat. In addition, the trout weighing 6 kg and over are also likely to be grown in an artificial reservoir. The average size of fish delivered from the fish farms - 3-4 kg, but there are instances and 7-10 kg.
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Trout you can buy both fresh and frozen, whole or in steaks. Usually the most budget - gutted fresh fish of medium size (1.5 to 2 kg).
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Trout , frozen, fresh, or salted, and smoked, most often sold in a vacuum pack. Of course, vacuum packaging increases the shelf life of the fish, prevents the access of air, bacteria and germs, retains the properties of the product and nutritional value. However, the shelf life of fish in a package must not exceed 1 month if it is fresh, 2 months – if it's smoked, and 6 months if frozen. To store trout (and other fish) in vacuum pack out of the refrigerator is not allowed.
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Consider carefully the packaging. Integrity should not be compromised, it should not be juice and air bubbles, the film is pressed firmly against trout. Implementation period makes its way directly into the film. If the label is missing or there is a sticker with an expiration date, refrain from such a purchase.
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Special attention should be paid to appearance of the trout: eyes convex, black pupil and glass, not cloudy cornea, scales – shiny. Whitish bloom or mucus on the surface of the fish will indicate the staleness of the product. Fish in vacuum packaging with the expired period of implementation can cause severe poisoning.
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Salty trout loses the color looks paler than fresh. Note the streaks in the meat of salted fish. White, not the bright pink color will indicate the absence of dyes in fish.
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Carefully read the composition of fish indicated on the label. For example, to dissolve all the bones in the fish, some manufacturers use sozrevateley or acid, to add the weight of injected polyphosphates. Trout fillet, processed food additives, will produce an artificial Shine that bright unnatural color, fibration and slightly distended. Phosphates eluted from fish meat protein, so the nutritional value and use trout falls several times.
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