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:: Volume 19, Issue 1 (4-2010) ::
isfj 2010, 19(1): 167-171 Back to browse issues page
• The effectiveness of pituitary extract from Crucian carp (Carassius auratus Linnaes, 1758) in inducing ovulation in Veil tail gold fish (Carrassius auratus gibelio) and its effects on egg quality
A Vazirzade * 1, Zohre Hassanabadizade , A Ezhdehakoshpoor , K Rezaie Tavabe
Abstract:   (7064 Views)

The effectiveness of pituitary extract from Crucian carp (Carassius auratus Linnaes 1758) in inducing ovulation in Veil Tail Gold Fish (Carassius auratus gibelio Bloch 1783), was examined and the effect of maternal hormone treatment on egg quality in two types of fertilization (fertilization in aquarium and artificial fertilization), were evaluated in 22·c temperature. Fish were injected intrapritoneally with three doses of, 2, 3 and 4mg/kg B.W pituitary extract (PE). With increasing of pituitary dose, practical fecundity also increased from 1775 in control fish to 3201 in fish with 4mg/kg B.W ofPE. Mean time to ovulation was reduced significantly (P<0.05) from 132h in control fish to 13h in fish with 4mg/kg B.W. Ovulated eggs from fish injected with 4mg!kg B.W of PE had lower fertility and hatching rates compared to eggs from fish injected with lower doses and the control fish. The methods of fertilization had no significant effect on the egg quality. In conclusion, the results of this study showed that the pituitary extract of Crucian carp is effective in inducing and shortening of ovulation of Veil Tail Gold Fish and the suggested dose for this species is 3mg!kg B.W.

Keywords: Breeding, Hormone, Crucian carp, Veil tail gold fish
Full-Text [PDF 254 kb]   (1800 Downloads)    
Type of Study: Applicable | Subject: تكثير و پرورش
Received: 2016/11/16 | Accepted: 2016/11/16 | Published: 2016/11/16
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Vazirzade A, Hassanabadizade Z, Ezhdehakoshpoor A, Rezaie Tavabe K. • The effectiveness of pituitary extract from Crucian carp (Carassius auratus Linnaes, 1758) in inducing ovulation in Veil tail gold fish (Carrassius auratus gibelio) and its effects on egg quality. isfj 2010; 19 (1) :167-171
URL: http://isfj.ir/article-1-1689-en.html


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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Volume 19, Issue 1 (4-2010) Back to browse issues page

با کسب مجوز از دفتر کمیسیون بررسی نشریات علمی وزارت علوم، تحقیات و فنآوری مجله علمی شیلات بصورت آنلاین می باشد و تعداد محدودی هم به چاپ می رساند. شماره شاپای جدید آن ISSN:2322-5998 است

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