常見例句The 7 sites and the other 4 sites were genotyped in 644 individuals in NDH under cage condition and evaluated associations between each SNP and chicken broodiness traits. 除了選取上述7個可能與就巢性有關(guān)的位點外還選取了4個與就巢性無關(guān)的位點作爲標記位點,對644個甯都三黃雞進行基因型檢測以及標記與就巢性的關(guān)聯(lián)分析。C+42913T and C+53327T sites were present in the same haplotype block which proved that C+53327T was a genetic marker for the age of first egg and duration of broodiness, too. 位點C+42913T與C+53327T搆成的單倍型塊與性狀的分析結(jié)果進一步証實位點C+53327T與開産日齡、就巢持續(xù)時間相關(guān)的遺傳標記。Over 30% hens presented typical broodiness,and the duration of each broody cycle was about 29 days. 超過30%25的母雞表現(xiàn)出典型就巢行爲,其平均就巢持續(xù)時間約爲29天。broodiness traits 就巢drone broodiness 産雄仔病 返回 broodiness