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یافته علمی کوتاه: تغییرات ریخت شناسی لارو ماهی بنی (Barbus sharpeyi) در شرایط آزمایشگاهی
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مژگان خدادادی1   ، سارا احمدی ، عبدالرحمن دزفولیان |
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چکیده: (13424 مشاهده) |
| In this study, the early development of Bunni (Barbus sharpeyi) larvae was surveyed through morphological changes and measuring total length, standard length, head length, thickness of larvae, eye diameter and snout length. The initial period of the larval life can be divided into 2 phases: endogenous and exogenous food sources. During the first three days of the larvae development, there was a gradual yolk sac reduction until its complete absorption at the end of third day, indicating the necessity of exogenous feeding. From the fourth to eleventh day, the final development of the heart, gill, air bladder, fins and intestine were observed. Total length of newly hatched larvae was 6.26mm and total length of fifteen days larvae was 8.35mm. The larval development of Barbus sharpeyi was similar to other Barbus species. *Corresponding author |
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| واژه‌های کلیدی: انکوباسیون، تکامل، Barbus sharpeyi، ایران |
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متن کامل [PDF 333 kb]
(3908 دریافت)
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نوع مطالعه: پژوهشي |
موضوع مقاله:
بيولوژي آبزيان
دریافت: 1391/3/2 | پذیرش: 1394/4/13 | انتشار: 1394/4/13
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