Growth hormone on ovarian morphology of lambaris (Astyanax bimaculatus) after induced spawning
نویسندگان
چکیده
منابع مشابه
Introduction to Hormone-Induced Spawning of Fish
The demand for fish for food, recreation, and ornamental aquariums is steadily increasing. Natural fish populations have declined during the last several decades because of environmental degradation and over-fishing. This has resulted in an increased effort in the development of techniques for hatchery production of fish. Traditional aquaculture species such as trout, catfish, common carp, gold...
متن کاملToxicity and genotoxicity in Astyanax bimaculatus (Characidae) induced by microcystins from a bloom of Microcystis spp
Studies of genotoxicity in fish caused by cyanobacterial microcystins can be useful both in determining the sensitivity of native species, as well as comparing exposure routes. The genotoxicity caused by the microcystins LR and LA from a bloom collected in a eutrophic lake, was revealed in the fish Astyanaxbimaculatus, a native species from South America. LC50 (72 h) was determined as 242.81 μg...
متن کاملHormone Induced Spawning of Summer Flounder Paralichthys dentatus
-During their first year in captivity, summer flounder Parulicthys denratus were induced to spawn with gonadotropin releasing hormone analogue (GnRHa) implants, injected carp pituitary extract (CPE) or human chorionic gonadotropin (hCG) injections. The percentage of fertile eggs was greatest (-69%) in CPEtreated females. CPE, but not GnRHa or hCG, was capable of stimulating oocyte growth (incre...
متن کاملThe Effect of Vitrification on Follicular Morphology of Ovarian Rat
Background & Objective: Some efforts have been made for keeping cryopreservation of gametes and embryos safe, including new vitrification methods of the ovary. This study evaluates the effect of ethylene glycole vitrification on follicular morphology of ovarian rat. Materials & Methods: Eighty ovaries belonging to 40 rats are divided into 2 groups. Twenty five ovaries are control group, 25 the ...
متن کاملthe effect of aqueous extract of garlic on formalin-induced pain in male rats
چکیده اثر عصاره آبی سیر بر درد ناشی از آزمون فرمالین در موش صحرایی نر به کوشش نرگس اسکندری روزبهانی زمینه و هدف: گیاه سیر از خانواده لیلیاسه و گونهallium sativum بومی آسیای میانه بوده و از دوران ،باستان تاکنون به خواص درمانی متفاوت آن مثل: کاهندگی قندخون، کلسترول خون، فشار خون، اثرات مفیدآن بر دستگاه قلبی عروقی و بیماریهای انعقادی خون، اثرات آنتی اکسیداتیو، درمان بیماریهای تنفسی وگوارشی، ا...
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ژورنال
عنوان ژورنال: Ciência Rural
سال: 2019
ISSN: 1678-4596,0103-8478
DOI: 10.1590/0103-8478cr20180478