TY - M-10449
AU - Murwanashyaka, Michel
AU - Jiang, Lihua
AU - Yan, Xiaojun
TI - Enhancement of Fish Stocks through Aquaculture Genetics
T2 - Scientific Research Journal of Science, Engineering and Technology

PY - 2026
VL - 4
IS - 1
SN - 2584-0584

AB - The growing demand for fish globally
underscores the necessity for advancements in aquaculture, where genetics plays
a pivotal role. This study investigates how aquaculture genetics can enhance
growth rates, disease resistance, and the productivity of key fish species.
Genetic improvement programs, including genomic selection, marker-assisted
selection, and selective breeding, are essential for accelerating these
developments. By leveraging the genetic diversity present in fish populations,
these programs aim to promote desirable traits, thereby enhancing the overall
quality of fish stocks. Selective breeding, a cornerstore of genetic
enhancement, has demonstrated significant potential in increasing growth rates
and feed efficiency. Marker-assisted selection enhances this process by
identifying specific genetic markers associated with beneficial traits, thus
expediting the breeding cycle. At the forefront of these approaches is genomic
selection, which utilizes genome-wide data to identify and select individuals
with superior genetic potential, yielding unprecedented precision in breeding
outcomes. Furthermore, genetic techniques are vital for improving disease
resistance in aquaculture. By identifying and disseminating immunity-related
alleles, the industry can mitigate the impacts of prevalent diseases, ensuring
sustainable fish production. Advances in CRISPR-Cas9 and other gene-editing
technologies may further accelerate the development of robust fish strains
through targeted genetic modifications. These genetic strategies not only
increase production but also promote sustainability by reducing the
environmental impact of fish farming and reliance on wild fish populations.
This research underscores the necessity of integrating cutting-edge genetic
technologies with traditional breeding methods, positioning aquaculture
genetics as the foundation for the future of sustainable fish farming.

KW - Aquaculture Genetics
KW -  disease resistance
KW -  genetic improvement
KW -  genetic markers
KW -  fish productivity
DO -