Volume 17, Issue 3 (Autumn 2025)
3 2025, 17(3): 27-37 |
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Mohammadian T, Maki M, Alimohammadi K, Fathi Sagzchi M S. Non-Lethal Egg Harvest Methods: Evaluating Ovariectomy Techniques Through some Steroid Hormones Cyprinus carpio Broodstock. 3 2025; 17 (3) :27-37
URL: http://jmb.ahvaz.iau.ir/article-1-1044-en.html
URL: http://jmb.ahvaz.iau.ir/article-1-1044-en.html
Professor, Department of Animal, Poultry and Aquatic Health, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran.
Abstract: (356 Views)
Partial and unilateral ovariectomy are very important methods to study the physiological aspects of reproduction such as follicle rearrangement and ovarian development one year (after one reproductive cycle) after surgery that can be used for valuable fish. The aim of this study was to determine the effect of partial and unilateral ovariectomy on sex hormones in adult common carp. Thirty broad stock carp fish were studied and sampled in three treatments, fifty percent ovarian resection, unilateral ovariectomy and control group during one year. Sampling was performed at the beginning of the period (before surgery), one month after surgery and at the end of the period. serum steroid hormones (progesterone, 17-beta-estradiol, testosterone, luteinizing hormone l) were evaluated. Progesterone levels in 50% ovarian resection and unilateral ovariectomy and control groups were significantly different in preoperative, one month after surgery and final sampling. There was no significant difference in the level of testosterone in 50% ovarian resection and unilateral ovariectomy groups in the mentioned times. The results of this study, by examining biochemical and hormonal factors in the blood, show that first, the operated fish have normally passed the postoperative period, and also the quality of the extracted eggs and the gonadal index are proportional to the secretion of sex steroid hormones and after a year of reproduction did not show any significant change. The operated broad stock fish (50% resection or removal of one lobe of the ovary) had normal reproductive and physiological reproductive performance compared to normal fish, this could be a reason for the success of surgery of broad stock common carp fish (as a model).
Type of Study: Research |
Subject:
biology
Received: 2025/07/7 | Accepted: 2025/10/19 | Published: 2025/10/19
Received: 2025/07/7 | Accepted: 2025/10/19 | Published: 2025/10/19
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