Effect of various cryoprotectants on Pacific oyster Crassostrea gigas Thunberg, Manila clam Ruditapes philippinarum Reeve and king scallop Pecten maximus (L) embryos: influence of the biochemical and osmotic effects

alcoholes alcohols alcool almejas clam clams conchyliculture crassostrea freezing glicerol glycerol mollusc culture ostra oysters pecten protection sucrosa sucrose toxicidad toxicity