کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
2062858 1076627 2008 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Reproductive parameters of common carp (Cyprinus carpio L) spawners during natural season and out-of-season spawning
موضوعات مرتبط
علوم زیستی و بیوفناوری علوم کشاورزی و بیولوژیک علوم دامی و جانورشناسی
پیش نمایش صفحه اول مقاله
Reproductive parameters of common carp (Cyprinus carpio L) spawners during natural season and out-of-season spawning
چکیده انگلیسی

SUMMARYCommon carp spawning characteristics were compared between season and out-of-season periods. There were no differences in the percentage of ovulation, spermatozoa motility and embryo survival to the eyed-egg-stage between the spawning periods. Fish spawned during the season produced oocytes of higher total weight than those spawned out-of-season. On the day exogenous feeding began, larvae obtained in out-of-season spawning were shorter than those obtained during the spawning season. However, the out-of-season larvae started feeding two days earlier than in-season larvae. As a result, seven days after fertilization, larvae obtained during out-of-season had the same length as larvae obtained during season. It appears to be possible to obtain common carp larvae half a year before the natural spawning period without decreasing the quality of gametes and larvae.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Reproductive Biology - Volume 8, Issue 3, November 2008, Pages 285–289
نویسندگان
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