Electricity Speeds Up Hatching
en B* hanging electric lights over trout pools at a Colorado hatchéry, a way has been found to provide the fish with an extra supply of food on ' ‘which they thrive and grow larger * than in pools without the light, The rays of the lights lure mosquitos, moths and other insects which fall into the water and are devoured. The plan has reduced the cost of feeding the fish, and the benefits reaped from the systern are reported to be such that _they more ‘than offset the expense.
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https://paperspast.natlib.govt.nz/periodicals/RADREC19300711.2.61.3
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Radio Record, Volume III, Issue 52, 11 July 1930, Page 34
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92Electricity Speeds Up Hatching Radio Record, Volume III, Issue 52, 11 July 1930, Page 34
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