نتایج جستجو برای: broodstock selection
تعداد نتایج: 318277 فیلتر نتایج به سال:
The production of cultured limpets is a recent research field contributing to aquaculture diversification, focusing on low trophic species while reducing the carbon footprint. Limpets are gastropods that colonize rocky substrates and mostly present tidal subtidal shores. This animal group in high commercial demand endangered several regions. has been traditionally challenging. most successful r...
Controlling the sex ratio is essential in finfish farming. A balanced sex ratio is usually good for broodstock management, since it enables to develop appropriate breeding schemes. However, in some species the production of monosex populations is desirable because the existence of sexual dimorphism, primarily in growth or first time of sexual maturation, but also in color or shape, can render o...
The smooth clam Callista chione (Linnaeus, 1758), is distributed on sandy bottoms throughout the Mediterranean Sea and European Atlantic coasts over 0-180 m depth range (SALAS, 2011). This species is of great commercial interest in Spain, and is intensively exploited along the Catalan coast (DOGC, 2008). Catches have dramatically decreased over the recent years, threatening the biological and e...
The article describes the problems, which are of greatest interest for formation fish broodstock, such as process gameto- and gonadogenesis duration spawning cycles in broodstock reared artificial conditions. Under Research Experimental Aquaculture Complex BIOS CaspNIRKH formed paddlefish 63 females matured 2020. There were studied 11 born 2002 2003, whose roe was taken food purposes. following...
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To maximise productivity, a better understanding of the underlying causes subfertility that lead to inferior offspring and high mortality is imperative. In decapod crustaceans, most research has focused on female reproductive performance, with little attention given male fertility. Paternal genetic contribution critical both successful embryonic post-embryonic development. Assessment sperm qual...
Abstract The first molecular evidence for natural, in ovo, vertical transmission of Chequa iflavirus and Athtab bunyavirus from farmed female redclaw crayfish (Cherax quadricarinatus) cultured northern Queensland, Australia is presented. Cherax reovirus was also examined, but that this spread via ovo vertically very limited. Amongst 57 broodstock-derived pools fertilized eggs, 38 (66.7%), 34 (5...
Abstract This paper discussed domestication strategies of Tinfoil barb from different populations for evaluation potential fish candidate freshwater aquaculture development. Collection and maintenance wild-caught adult was the first step in followed by characterization fish, broodstocks selection maturation, control reproduction, larval rearing. The presented an excellent performance to adapt n...
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