. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. THEBTY-FIRST BIENNIAL KEPORT 17 This bureau has successfully operated 28 hatcheries and 15 egg- collecting stations during the biennium, producing over 62,000,000 trout, varying from 1^ to 4 inches in length, and 10,000,000 salmon. At the close of the period covered by this report 35,000,000 trout were on hand for the 1930 distribution. The success of the M^ork of this bureau is indicated by the insistent demand for additional hatcher
. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. THEBTY-FIRST BIENNIAL KEPORT 17 This bureau has successfully operated 28 hatcheries and 15 egg- collecting stations during the biennium, producing over 62,000,000 trout, varying from 1^ to 4 inches in length, and 10,000,000 salmon. At the close of the period covered by this report 35,000,000 trout were on hand for the 1930 distribution. The success of the M^ork of this bureau is indicated by the insistent demand for additional hatcheries, but it is ifelt that rather a definite limit has been reached in the expenditure of funds for fish cultural work from the revenues which are now being received. The problem of securing eggs is becoming exceedingly difficult with the continued periods of low precipitation. Added to this is the feeling which exists in several sections that all eggs taken from any stream system should be returned to the same sj^stem. Inasmuch as it is well. Fig. 5. Unloading bass at Calipatria, Imperial County. Califortiia. for stocking Salton Sea. Photo courtesy of Robert Hays, October, 1929. established that from 70 to 80 per cent of the eggs taken by artificial methods are successfully hatched and reared to sizes suitable for plant- ing, as contrasted with evidence that only from 3 to 5 per cent of the eggs from natural spawning produce fish of a similar size, it is our opinion that the Commission is well justified in releasing to other por- tions of the state eggs taken in any of our stream systems as long as there are successfully planted in the parent streams more fish than would have been naturally produced had no egg-taking operations been undertaken. FISH RESCUE The Bureau of Fish Rescue has continued its program of saving, as far as possible, all fish stranded bv receding waters or endangered by 2—81166. Please note that these images are extracted from scanned page images that ma
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