THE EFFECT OF SIZE OF BARBUS GRYPUS BROODSTOCK ON REPRODUCTIVE INDICIES, FUNCTIONAL FECUNDITY, FERTILIZATION RATE, HATCH RATE AND LARVAE SURVIVAL RATE

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BASAK KAHKESH F.; YAVARI V.; ESKANDARI GH.R.; MOHAMMADI GH.H.; AMIRI F.; NIKPEY M.

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Journal: NEW TECHNOLOGIES IN AQUACULTURE DEVELOPMENT (JOURNAL OF FISHERIES) Year:2011 | Volume:5 | Issue:3 (19) Page(s): 81-90

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Title

THE EFFECT OF SIZE OF BARBUS GRYPUS BROODSTOCK ON REPRODUCTIVE INDICIES, FUNCTIONAL FECUNDITY, FERTILIZATION RATE, HATCH RATE AND LARVAE SURVIVAL RATE

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Keywords

LARVAE SURVIVALQ3

HATCHQ1

FERTILIZATIONQ2

BARBUS GRYPUSQ2

FUNCTIONAL FERCUNDITIYQ3

Abstract

This study was carried out to determine the effect of size of BARBUS GRYPUS broodstock on functional fecundity, FERTILIZATION rate, HATCHing rate and LARVAE SURVIVAL rate. Three female groups (treatments) were chosen for breeding. Treatment1: 2212.5 ±780 gr, treatment 2 :4518±780 gr and treatment 3: 7712.5±171 gr. There were the same male broodstocks for all treatments (1400±100 gr). Female broodstocks were injected with 3 mg/kg of PG hormone in two stage with an interval of 10 hours. Males were injected with 2 mg/kg in one time of females second injection. Functional Fecundity, FERTILIZATION rate%, HATCH rate%, LARVAE SURVIVAL rate% indices were calculated for all treatments. Maximum functional fecundity (13000.37±4651.57), fertilized egg (94±1.51%), HATCHing rate (83.62±2.77%) and LARVAE SURVIVAL rate (84.75±1.28%) were observed in treatment 2. Minimum functional fecundity, FERTILIZATION rate%, HATCHing rate%, LARVAE SURVIVAL rate% were 4879±2325.29 (treatment 3), 82.66±10.48 (treatment 1), 64.16±3.65 (treatment 1) and 71.6±1.63 (treatment 1) respectively. With the increase of broodstock weight until 4518±780 gr reproductive indicies increaced and beyond that decreased. In all of indicies treatment 2 showed significant diferences with other treatments (P<0.05). So treatment 2 is the best treatment compared to other treatments.

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APA: Copy

BASAK KAHKESH, F., YAVARI, V., ESKANDARI, GH.R., MOHAMMADI, GH.H., AMIRI, F., & NIKPEY, M.. (2011). THE EFFECT OF SIZE OF BARBUS GRYPUS BROODSTOCK ON REPRODUCTIVE INDICIES, FUNCTIONAL FECUNDITY, FERTILIZATION RATE, HATCH RATE AND LARVAE SURVIVAL RATE. NEW TECHNOLOGIES IN AQUACULTURE DEVELOPMENT (JOURNAL OF FISHERIES), 5(3 (19)), 81-90. SID. https://sid.ir/paper/161873/en

Vancouver: Copy

BASAK KAHKESH F., YAVARI V., ESKANDARI GH.R., MOHAMMADI GH.H., AMIRI F., NIKPEY M.. THE EFFECT OF SIZE OF BARBUS GRYPUS BROODSTOCK ON REPRODUCTIVE INDICIES, FUNCTIONAL FECUNDITY, FERTILIZATION RATE, HATCH RATE AND LARVAE SURVIVAL RATE. NEW TECHNOLOGIES IN AQUACULTURE DEVELOPMENT (JOURNAL OF FISHERIES)[Internet]. 2011;5(3 (19)):81-90. Available from: https://sid.ir/paper/161873/en

IEEE: Copy

F. BASAK KAHKESH, V. YAVARI, GH.R. ESKANDARI, GH.H. MOHAMMADI, F. AMIRI, and M. NIKPEY, “THE EFFECT OF SIZE OF BARBUS GRYPUS BROODSTOCK ON REPRODUCTIVE INDICIES, FUNCTIONAL FECUNDITY, FERTILIZATION RATE, HATCH RATE AND LARVAE SURVIVAL RATE,” NEW TECHNOLOGIES IN AQUACULTURE DEVELOPMENT (JOURNAL OF FISHERIES), vol. 5, no. 3 (19), pp. 81–90, 2011, [Online]. Available: https://sid.ir/paper/161873/en

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