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Fish Hatchery Management - fisheries & aquaculture

Fish Hatchery Management - fisheries & aquaculture

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510 FISH HATcIIERY MANAGFIM!lN l'Magnesium, hatchery water 15Manganese, hatchery water l5Metric- English conversions 375-376Minerals, water enrichment l3Muskellungebroodstock acquisition 132eggs, temperature units 191, 192feeds and feeding: formulated248-249; initial 256forage fish for 140248-249, 399, 400; guideshybridization 14tinutrition: diseases 390-393; protein requirements 217spawning 134-135, 157transportation, carrying capacity 364Muskie, tiger (see also Pike, northern; muskellunge), hut.h"tyconstant 249Nets, seinesbroodfish capture 132inventory 82-83Nitratehatchery water l5fertilizer 98pond effluent 27production per pound feed 26Nitrite, toxicity 14, 22Osmoregulation 213Oxygenhatchery water 6-8, l5ponds 108-l l0saturation nomogram 5Ozonesterilant l8-19toxicity l4Pen rearing 50pH (see acidity)Phosphorus, phosphatehatchery water l5fertilizer 98-100pond effluent 27production per pound feed 26Pickerel, chain, protein requirements 217

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