cages for trout breeding in lake titikaka

algae aquaculture aquaculturetechnology aquatic aquaticlife biomass bolivia breeding breedingcycle cagedesign cages diseasemanagement ecosystem environmentalimpact farming feeding feedingschedule fingerlings fish fishfarming fishfeed fishhealth fishprocessing fishstock fisheries fisheriesmanagement freshwater growthrates harvesting hatchery juveniles lakemanagement laketitikaka livelihood marinecages monitoring nets nutrition oxygenlevels peru production stocking sustainability sustainable temperature tilapia trout waterquality yield lake titikaka