Comparing the effects of Ova prim and CPE on breeding injection on breeding in indices of silver carp (Hipophthalmichthys molitrix)

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Jasemnejad e.; MABOUDI H.; Askari Sari a.; BOSAK KAHKESH F.

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Journal: NEW TECHNOLOGIES IN AQUACULTURE DEVELOPMENT (JOURNAL OF FISHERIES) Year:2017 | Volume:10 | Issue:4 Page(s): 1-10

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Title

Comparing the effects of Ova prim and CPE on breeding injection on breeding in indices of silver carp (Hipophthalmichthys molitrix)

Author(s)

Jasemnejad e. | MABOUDI H. | Askari Sari a. | BOSAK KAHKESH F. | Issue Writer Certificate

Keywords

BreedingQ2

BroadstockQ2

CPEQ2

Hipophthalmichthys molitrixQ2

OvaprimQ2

Abstract

Silver carp (Hipophthalmichthys molitrix) is one of the largest members of the family Cyprinidae and is the only member of the genus Ctenopharyngodon. 40 fish were selected with the weight and total length of 8510± 461gr and 767± 32 mm, respectively. In this study, CPE (carp Pituitary extract) and Ova prim were used to induce spawning in Silver carp brooders. Experiment was carried out in 2 treatments (CPE and Ova prim), 20 fish in each treatment (10 male + 10 female). In treatment 1, CPE was used 4 mg/kg for females and3 mg/kg for males. In treatment 2, Ova prim was used 0. 5ml/kg for female and 0. 25 mg/kg for males. Water temperature in Propagation time was 25± 1° C. Ovaprim and CPE injection were carried out in 1 stage. Spawning success was 100% in silver carp broad stock in Ova prim treatment while in CPE treatment was 80% that showed no significant difference (P>0. 05). Latency Period was 13-14 h in both treatments (P>0. 05). Fertilization ratio and survival ratio in Ova prim and CPE treatments was 87± 4. 49%, 84. 5± 1. 06 and 63. 5± 3. 7%, 65. 2± 2. 32 respectively (P<0. 05). In Ova prim treatment, Hatching ratio, working fecundity were 84. 3± 4. 05 and 530819± 33425 thousand eggs, respectively and in CPE treatment was 65. 6± 3. 64% and 406336± 24261 thousand eggs, respectively that was no significant difference(P>0. 05). Working fecundity in Ova prim and CPE was 62353. 6± 707 thousand eggs and 66618± 3. 141 thousand eggs, respectively that was significant difference(P<0. 05). According to results Breeding indices in Ova prim injection treatment had higher efficiency in spawning induction compare to CPE treatment.

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APA: Copy

Jasemnejad, e., MABOUDI, H., Askari Sari, a., & BOSAK KAHKESH, F.. (2017). Comparing the effects of Ova prim and CPE on breeding injection on breeding in indices of silver carp (Hipophthalmichthys molitrix). NEW TECHNOLOGIES IN AQUACULTURE DEVELOPMENT (JOURNAL OF FISHERIES), 10(4 ), 1-10. SID. https://sid.ir/paper/161503/en

Vancouver: Copy

Jasemnejad e., MABOUDI H., Askari Sari a., BOSAK KAHKESH F.. Comparing the effects of Ova prim and CPE on breeding injection on breeding in indices of silver carp (Hipophthalmichthys molitrix). NEW TECHNOLOGIES IN AQUACULTURE DEVELOPMENT (JOURNAL OF FISHERIES)[Internet]. 2017;10(4 ):1-10. Available from: https://sid.ir/paper/161503/en

IEEE: Copy

e. Jasemnejad, H. MABOUDI, a. Askari Sari, and F. BOSAK KAHKESH, “Comparing the effects of Ova prim and CPE on breeding injection on breeding in indices of silver carp (Hipophthalmichthys molitrix),” NEW TECHNOLOGIES IN AQUACULTURE DEVELOPMENT (JOURNAL OF FISHERIES), vol. 10, no. 4 , pp. 1–10, 2017, [Online]. Available: https://sid.ir/paper/161503/en

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