Use a bucket of this trial, the number of 12 100 liters capacity in sea water (34 ppt), in each bottle to put the eggs fish recently put new foam density 500 per liter for the trial of the experiment, (A) does not have the air to air rate to 0.(B), a rate of 200 ml per minute, Air (C) in the air to 400 ml per minute for each (D) rate of 600 ml per minute, the air of a random experiment is planned throughout (CRD) the number of each unit test 3.to observe the development of the light and the fish hatchery operations.
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