Method for inducing gonad maturity and ovulation of verasper variegates parent fish by implanting slow-release hormone
The technology for broodstock and gonads is applied in the field of broodstock breeding, and can solve the problems of low fertilization rate, low rate of successful ovulation broodstock, large differences in egg quality, etc., and achieves low mortality, good ovulation effect and mature high rate effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0028] This research was carried out at the Laizhou base in 2006-2007, and the specific implementation process is as follows:
[0029] 1. Broodstock selection, intensive cultivation and temperature and light to promote maturity:
[0030] For the experiment, 91 broodstocks (49♀:42♂) of stellar flounder older than 3 years were selected. The average weight of female fish was 2118 grams, and the average weight of male fish was 459 grams. The broodstock has normal body shape and body color, and is healthy and undamaged. Broodstock is placed in the rectangular wiped corner breeding pond (30m 2 , The water depth is 1.5 meters) for cultivation. The cultivation water is sand filtered natural seawater, and the water quality conditions are: DO>6.0mg / L, pH=7.6-8.2, and salinity 29-33.
[0031] The bait for the broodstock is mainly chilled small yellow croaker and mixed shrimp. Feed 2 times a day, the daily feeding amount is 2%-3% of the body weight of the fish. Add lecithin to the bait before...
Embodiment 2
[0037] This research was conducted in Qingdao Zhonghai Aquatic Products Co., Ltd. from 2007 to 2008. The specific implementation process is as follows:
[0038] 1. Broodstock selection, intensive cultivation and temperature and light to promote maturity:
[0039] In the experiment, 135 broodstocks (49♀:42♂) of stellar flounder over 3 years old were used. The average weight of female fish was 2309 grams and the average weight of male fish was 488 grams. The broodstock has normal body shape and body color, and is healthy and undamaged. Broodstock is placed in the rectangular wiped corner breeding pond (25m 2 , Water depth of 1.0 meters) for cultivation. The cultivation water is sand filtered natural seawater, and the water quality conditions are: DO>6.0mg / L, pH=7.8-8.2, and salinity 29-33.
[0040] Broodstock bait, feeding method, daily management and temperature and light control measures are the same as in Example 1.
[0041] Using living tissue sampling method or light table method...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com