CAJ | 학술논문

采用营天然雌核发育的普安银鲫A型为母本,建鲤为父本繁育子一代,投放1.86 g/尾的鱼种,经89 d饲养.结果:出池规格达24.1 g/尾,日增重0.25 g/尾,比普通鲫提高了0.063 g;群体增重倍数9.96倍,较对照池提高4.46倍;成活率84.5%,比对照组提高13.5百分点.子一代在生长速度和抗病性方面较对照池具有明显的优势.
채용영천연자핵발육적보안은즉A형위모본,건리위부본번육자일대,투방1.86 g/미적어충,경89 d사양.결과:출지규격체24.1 g/미,일증중0.25 g/미,비보통즉제고료0.063 g;군체증중배수9.96배,교대조지제고4.46배;성활솔84.5%,비대조조제고13.5백분점.자일대재생장속도화항병성방면교대조지구유명현적우세.
F_1 of Allogynogenetic Carassius auratus with 1.86 g/head which crossed from maternal A gynogenetic Carassius auratus and paternal Cyprinus carpio var. jian were raised for 89 days. Results showed that average weight of fish was 24.1 g/head with weight gain 24.1 g/head, 0.063 g higher than common crucian. Population weight gain was 9.96 times, which higher than 4.46 times compared with control pond. Survival rate was 84.5%, which higher than control 13.5%. F_1 showed obvious predominance on growth rate and disease resistance.