Figure 25 
SIZE AT SPAWNING AND NUMBER OF EGGS PRODUCED BY 
SELECTED RAINBOW TROUT BROOD STOCK 
Number Number of eggs 
Spawn- Age at of Fork length from each female 
ing recorded females (centimeters) at spawning 
year spawning spawning Average Maximum “Average Maximum 
1944 . 2 12 36.3 39.0 1,653 221 
1946 . 2 39 41.9 48.0 2,011 2,982 
1948 . 2 78 ; 41.2 50.0 1,958 3,094 
1950 2 129 355 45.5 7315 2,097 
1952 2 51 40.9 45.0 2,145 3,810 
1953 2 27 38.9 43.5 2,032 3,631 
1954 2 47 44.6 bles 2307 3,960 
_ 3 36 50.5 57.0 4,042 6,106 
1955 2 28 50.7 56.5 3,894 br23 
~ 3 28 59.6 67.0 5,029 8,850 
1956 2 84 49.0 53.5 3,281 5,915 
— 3 9 59:2 65.0 6,149 7,331 
1957 2 58 46.4 55.0 3,161 9,639 
- $) 14 67.4 72.0 Tee 11,475 
1958 2 57 57.6 66.0 5,617 9,077 
- | 2 73.5 74.0 15,767 16,839 
1959 2 39 60.0 63.0 5,224 6,960 
— 3 6 70:2 73.0 8,689 11,580 
1960 2 63 59.6 68.0 5 132 8,268 
- 3 6 70.8 72.0 9,030 11,186 
1961 2 29 52.9 59.0 4,809 6,838 
— 3 ) 67.1 71.0 9,092 13755 
1962 2 73 57.8 68.5 6,080 13,407 
= 3 20 66.1 72.0 9,176 16,482 
1963 2 83 52.5 63.0 — - 
- 3 8 67.6 70.5 — - 
1964 2 48 59.1 66.5 6,091 8,845 
- 3 12 64.0 74.0 9,768 13,684 
1965 2 81 58.5 65.5 6,274 11,826 
— 3 30 68.3 78.0 11,556 16,160 
1966 2 131 57.0 63.0 7,798 16,872 
— 3 32 68.7 74.5 13,304 19,922 
1967 2 36 60.7 67.0 Use 13,707 
— <6} 29 67.2 735 11,090 20,602 
1968 2 70 60.4 66.0 9,259 18,144 
= 3 8 68.1 72.0 al v/lts} 21,288 
VI-159 
