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Za poslednie 30 let w mnogih stranah proishodit intensiwnoe razwitie towarnogo wyraschiwaniq razlichnyh widow ryb. Vmeste s tradicionnymi widami, wnimanie rybowodow wse bol'she priwlekaet razwedenii äkzoticheskih ryb, takih kak afrikanskij som, tilqpiq, gambuziq pangassius i dr. Predlagaemyj razdel soderzhit informaciü, kotoraq prednaznachena dlq obespecheniq wyraschiwaniq ryb w iskusstwennyh uslowiqh, qwlqüschaqsq neot#emlemoj chast'ü rybowodnogo processa nezawisimo ot ego naprawlennosti. Material predstawlen rqdom glaw. Jeto rezul'taty raz-rabotok sowetskih, rossijskih i zarubezhnyh uchenyh, opublikowannyh w sootwetstwuüschih sprawochnikah i uchebnyh posobiqh. Material mozhet byt' ispol'zowan pri podgotowke specialistow-rybowodow w kachestwe otprawnoj tochki dlq posleduüschego glubokogo izucheniq teh ili inyh woprosow. Osnownoj zadachej pri sozdanii ätogo razdela qwlqlos', oznakomit' chitatelq s otrabotannymi na praktike tehnologiqmi ätogo slozhnogo processa - iskusstwennoe razwedenie ryb.