Recommendations Can Be Based On Results Of The

Recommendations can be based on results of the given work to schoolboys of the senior classes on correct use of time, distribution of week intellectual loading, without causing thus strong weariness and a nervous tension. M.E.Burakov , . Zoology . The head: Dementyev M. S. CULTIVATION OF FISHES IN THE PLAKSEJSKY FISH ECONOMY. Object of our research is the Carp (Cyprinus carpo) one of the basic objects of cultivation in fish-breeding economy of the CIS and many other countries. For reception of posterity of a carp use, both natural spawning, and a factory way. Preparation for spawning begins in the spring with the moment ponds. The great value for carrying out of spawning campaign has the prespawning maintenance of the manufacturer for which use ponds released after catching a material. An indispensable condition is feeding during the prespawning period. At cultivation, it is necessary to take sexual products only from healthy manufacturers to what apply . Last years all application receives a factory method of cultivation of a carp.