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The effect of age of males on the early growth of chum salmon fry
サケの雄親の回帰年齢が稚魚の初期成長に影響する可能性
2016
Nippon Suisan Gakkaishi
サケの雄親の回帰年齢が稚魚の初期成長に影響する可能性
To evaluate the eŠect of male age and size on the early growth of chum salmon Oncorhynchus keta fry, a diallel cross was performed using 5 females (4 years old) and 9 males (3 males, 3 years old; 3 males, 4 years old; and 3 males, 5 years old). Further, heritabilities for body weight were estimated at each developmental stage. Although no signiˆcant relationships were detected between male body weight and fry size, the body weight of fry from crosses using 5-year-old males tended to be lower
doi:10.2331/suisan.15-00056
fatcat:f2bveswolfbqbfp64jqxjgitte