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OJVRTM
Online Journal of
Veterinary Research©
Volume
18(4): 377-390: 2014. Extensively redacted 2017.
Effect of brood stocking on
maturation, propagation and physiology of farmed ship sturgeon (Acipenser nudiventris)
M. Bahmani, A.Yousefi Jourdehi, M. Pourdehghani, R. Kazemi, A. Hallajian, S. Dejandian
International Sturgeon Research
Institute P.O.Box: 41635- 3464 - Rasht- Iran.
ABSTRACT
Bahmani
M, Yousefi Jourdehi A, Pourdehghani M, Kazemi R, Hallajian A, Dejandian S.,
Maturation, propagation and physiology of farmed ship sturgeon (Acipenser nudiventris), Onl J Vet Res., 18(4): 377-390:
2014. The effects of
farming brood stocking on maturation, propagation and physiological values of
ship sturgeon (Acipenser nudiventris) is described. Groups of 6 males and
6 females aged 5 to 7 yrs were stocked in 40002
water fiberglass tanks. Males were fed vitamins without soybean and females soybean with vitamins. GnRH hormone was given twice
by injection to females at a dose of 10 µg/kg BW with 20:80 ration
and once to males at 20 µg/kg BW to induce propagation. Significant differences
(P<0.05) were observed in testosterone levels between mature and immature
males and females. 17α-hydroxyprogesterone was 0.10 ± 0.054 ng/ml and 0.03 ± 0.005
ng/ml in propagated, and 17β- estradiol (E2) 47.5 ± 1.91 ng/ml and 21.6 ± 3.02 ng/ml in immature females.
Significant differences (P<0.05) were detected in albumin levels in immature
and propagated females. Glucose, cortisol, cholesterol and triglyceride levels were
not different between males and females.
Key
words: Broodstocking, Artificial
propagation, Farmed Acipenser nudiventris, Reproductive physiology
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