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-48- Dates for removal of these baskets were staggered in order to determine the effect of silt, if the eggs died and at what stage of development they did die. Removal date was calculated by estimating the hatching date, then dividing the tiffie and number of baskets equally. At .the time of removal, the _ baskets were placed in a tub with saaf.ficient water to cover the .basket and taken into the laboratory for enaaffieration. The following information was accumulated on the brown trout eggs from the tune of stripping to the time the last .basket was removed. Unfortunately, ox~e of the baskets coaxtaining 1,000 eggs was not recovered. It .was believed to have been dislodged by ice during breakup and .swept downstream. The last basket would have been removed on March 8th. Eggs Taken ______________________________________ November 11 Sire _~___________________________________°____e_ 225/ oz~ Amt. of incubation eompleted~at the time eggs were taken from hatchery _______________m-____- 70% Planting basket size -_~-------______m__°_________ 8'~ x 3~ x 12 inches, triple warp mesh cloth 7/10 x 1/10 inches. Planting box -----_----°------°_______________.m__ 16 x 16 x 25 inches. Brown Trout Eyed Egg Experiment - TABLE IX - Basket No- 1 Basket No. 2~ Date Planted December 15, 1958 December 15, 1958 .4: .._~___-T. Date Removed January 15, 1959- February 11, 1959 Days in River 31 59 Number Eggs in Basket 800 1,000 _ Number Eggs Recovered 541 ~67.5~) 954 X95.4%) Nu~uber Eggs Alive 53$ 876 ~ Survival of Eggs Recovered 99:4% 91.8% % ®f Eggs Lost and 1Dead 32.5% 12.4% - Losses in the n~~ber of eggs is attributed, to a large extent, to the techniques of placing the planting box in the redd, and distribution of the eggs in the planting baskets. ~'°~dercurrents created by not seating the plant- _ ing box firmly on the stream b~d_.swegt many of the eggs ug and out of the baskets. On January 19, 1959, 1,500 eyed kokanee eggs were picked up from the _ Daniel hatchery. These eggs were hauled, tempered, and planted by the saffie procedure used io. making the previ.®u.s brown trout plants. These eggs were also planted in the Oreen River at Big gsland Bridge. Water depth over the redd at the time of the plant was 14 inches. ,Water temperature of the stream, at the time of the planting, was 34° F.