1.一种斑点胡鲶和尖齿胡鲶的杂交繁育方法,其特征在于,给斑点胡鲶施用催产药物,首次施用5.5~6.5h后,再次施用催产药物,施用7.5~8.5h后,进行人工授精,实现斑点胡鲶和尖齿胡鲶的杂交繁育; 所述催产药物包括鱼脑垂体、促黄体素释放素和地欧酮中的一种或几种; 所述斑点胡鲶为母本,所述尖齿胡鲶为父本。 2....
as indicated by the presence of oocytes at all stages of development throughout the annual cycle and more oocyte development was found between May and June (Tan-Fermin etal .1 另一项研究显示了出, 2年老女性C。 macrocephalus (斑点胡鲶)在囚禁有卵巢发展的一个小组同步样式,如由卵母细胞出现表示在...