Theory and Practice of Eel CultureCRC Press, 1984/06/01 - 192 ページ This text covers distribution and types in Japan, the life cycle of the eel, basic factors, seedfish, pond management and culture techniques and marketing. |
目次
CHAPTER THREE LIFE CYCLE OF | 16 |
CHAPTER SIX FEED | 42 |
CHAPTER EIGHT DISEASES AND PROPHYLAXIS | 88 |
CHAPTER NINE POND MANAGEMENT AND CULTURE TECHNIQUES | 107 |
CHAPTER TEN MARKETING | 125 |
多く使われている語句
Aichi Prefecture amount anchor worm Anguilla autumn bamboo baskets becomes carbon dioxide carp catch rate Chiba Prefecture chlorine color change crucian carp culturists decreases density descending eels disease dorsal fin eel culture ponds eel production eels caught elvers entering the river factors feeding point fish food conversion rate fresh water green algae grow growth Hamana-ko Hence hydrogen sulfide increases infection inshore intestine Japan Japanese eel kurokko Lake Hamana large numbers larvae layer length method Microcystis Mie Prefecture mucous nets number of elvers organisms oxygen content parasites period phytoplankton plankton pond bottom pond water quantity rearing elvers rearing ponds region respiration respiratory river entry River Tone rotifers salinity sea water seed eels seedfish Shizuoka Prefecture skin spawning species spring stage stocking summer surface Taisho tion tons underground water usually Water depth water temperature winter zooplankton