Variation of oxygen concentration during aerobic composting of pig manure Study on correlation of oxygen consumption rate and suffocation point of Whitmania pigra and Bellamya purificata and optimum way of feeding Whitmania pigra Oxygen consumption rate of Sepia pharaonis embryos. A preliminary study on oxygen consumption rate, ammonia excretion rate and asphyxiation point of Barbodes schwanenfeldi Effects of body size and salinity on oxygen consumption rate and ammonia excretion rate of Mactra chinensis Philippi Study on oxygen consumption rate and suffocation point of Whitmania pigra The effect of salinity,temperature and body length on oxygen consumption of Daphniopsis tibetana Sars Effects of temperature and salinity on oxygen consumption rate and asphyxiation point of Sagitta crassa. Effects of temperature and water velocity on the respiratory metabolism and behavior of Phoxinus lagowskii Dybowskii Effects of temperature and body size on oxygen consumption rate and ammonia excretion rate of Monodonta labio Oxygen consumption and ammonia-N excretion rates of Coelomactra antiquata