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Animals
Special Issues
Genetics, Breeding, and Farming of Aquatic Animals
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Genetics, Breeding, and Farming of Aquatic Animals

A special issue of Animals (ISSN 2076-2615). This special issue belongs to the section "Animal Genetics and Genomics".

Deadline for manuscript submissions: 31 December 2025 | Viewed by 2760

Special Issue Editors

Prof. Dr. Min Tao

E-Mail Website
Guest Editor
State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Sciences, Engineering Research Center of Polyploid Fish Reproduction and Breeding of the State Education Ministry, Hunan Normal University, Changsha 410081, China
Interests: fish genetics and breeding; fish distant hybridization; reproductive development; reproductive endocrinology; growth and development; comparative transcriptomics; miRNA functional analysis
Prof. Dr. Chenghui Wang

E-Mail Website
Guest Editor
Key Laboratory of Freshwater Aquatic Genetic Resources Certificated by the Ministry of Agriculture and Rural Affairs, College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, China
Interests: aquaculture; selective breeding; comparative genomics; developmental biology; population genetics
Prof. Dr. Qizhi Liu

E-Mail Website
Guest Editor
College of Life Sciences, Hunan Normal University, 36 Lushan Rd, Building No. 3, Room 412, Yuelu District, Changsha 410081, China
Interests: fish distant hybridization; gynogenesis; coupling between transcription and splicing; innate immunity; breast cancer

Special Issue Information

Dear Colleagues,

The rapid advancement of biotechnology in recent years has expanded the frontiers of life sciences, particularly revolutionizing the technology utilized for breeding aquatic animals. Breeding biotechnology encompasses both classical and modern methods. Traditional breeding methods, including hybridization, family breeding, mass selection, and gynogenesis, have a longstanding history of use. Alongside these, modern breeding techniques such as genomic selection, marker-assisted selection, genetic modification, somatic cell cloning, and stem cell techniques have emerged, paving the way for genetic improvements in aquatic animals. These cutting-edge techniques offer novel opportunities regarding the development of breeding and farming in aquatic animals. Healthy aquaculture prioritizes practices that align with natural ecosystems, striving to minimize our environmental footprint and promote the well-being and health of aquatic species under cultivation. By focusing on disease management, optimized nutrition, and responsible resource use, it bolsters the conservation of biodiversity and promotes the resilience of aquatic ecosystems. Given this, it is crucial to thoroughly investigate advanced technologies and evolving trends in the breeding and farming of aquatic animals, to propel the ongoing advancement and growth of the aquaculture industry.

The Special Issue aims to compile papers presenting both fundamental and applied research in the genetics, physiology, breeding, and farming of aquatic animals. We invite you to submit original research articles and reviews on diverse aspects of genetics, physiology, breeding, and farming in aquatic organisms. We welcome the submission of both original research articles and reviews to this Special Issue. The scope of this Special Issue includes, but is not limited to, the following topics: breeding biotechnology, the protection and utilization of germplasm resources, growth and reproduction studies, healthy farming practices in aquatic animals, investigating disease resistance, exploring animal nutrition, and related topics.

We look forward to receiving your contributions.

Prof. Dr. Min Tao
Prof. Dr. Chenghui Wang
Prof. Dr. Qizhi Liu
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Animals is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • aquatic animals
  • genetics and breeding
  • breeding biotechnology
  • germplasm resource protection
  • germplasm utilization
  • growth and reproduction
  • healthy farming
  • disease resistance
  • animal nutrition

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (3 papers)

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Research

12 pages, 1739 KiB  
Article
Identification of Hybrid Sturgeon (Acipenser baerii × Acipenser schrenckii) from Their Parents Using Germplasm
by Shiyong Yang, Zhongmeng Zhao, Zihan Xu, Ya Liu, Menghao Jiang, Lin Fu, Jin Zhang, Zhaoxin Jing, Xiaojian Pang, Wuyuntana Shao, Chaoyang Zhang, Yunkun Li, Xiaogang Du and Jiayun Wu
Animals 2025, 15(7), 907; https://doi.org/10.3390/ani15070907 - 21 Mar 2025
Viewed by 412
Abstract
The hybrid sturgeon Acipenser baerii × A. schrenckii is the most widely cultured commercial sturgeon in China. However, its morphological similarity to the parental species frequently leads to misuse of germplasm in the breeding process, resulting in a decline in the quality of [...] Read more.
The hybrid sturgeon Acipenser baerii × A. schrenckii is the most widely cultured commercial sturgeon in China. However, its morphological similarity to the parental species frequently leads to misuse of germplasm in the breeding process, resulting in a decline in the quality of the sturgeon production. In this study, we have developed a protocol by using mitochondrial DNA barcoding and microsatellite locus analysis for the accurate identification of sturgeon species. Genetic distance and phylogenetic analysis based on the mitochondrial COI segment showed that A. baerii exhibited the closest genetic relationship with orthogonal individuals A. baerii (♀) × A. schrenckii (♂). Conversely, A. schrenckii displayed the highest genetic similarity with reciprocal individuals A. schrenckii (♀) × A. baerii (♂). Additionally, genetic structure analysis and factor correlation analysis (FCA) were conducted using six microsatellite loci among 100 samples, including eight species and two hybrid sturgeon. The results showed that all samples, encompassing both hybrid sturgeon (A. baerii × A. schrenckii) and their parental species, were accurately grouped into ten clusters, thereby validating the precision of this species assignment method. Full article
(This article belongs to the Special Issue Genetics, Breeding, and Farming of Aquatic Animals)
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14 pages, 3391 KiB  
Article
Growth Superiority and Genetic Characterization of the Hybrid from Female Ussuri Catfish (Pseudobagrus ussuriensis) and Male Longsnout Catfish (Leiocassis longirostris)
by Minghua Xie, Yulin Zhou, Yi Gong, Min Liu, Peng Zhen, Zhi Li, Li Zhou, Jianfang Gui and Zhongwei Wang
Animals 2024, 14(24), 3617; https://doi.org/10.3390/ani14243617 - 15 Dec 2024
Cited by 1 | Viewed by 738
Abstract
Crossbreeding is a traditional breeding technique and has been performed successfully in many fish species. However, distant hybridization between different genera is hard to be successful because of reproductive isolation. In this study, diploid hybrids (PL) were successfully derived from the hybridization of [...] Read more.
Crossbreeding is a traditional breeding technique and has been performed successfully in many fish species. However, distant hybridization between different genera is hard to be successful because of reproductive isolation. In this study, diploid hybrids (PL) were successfully derived from the hybridization of Ussuri catfish (Pseudobagrus ussuriensis, PU, ♀, 2n = 52) and longsnout catfish (Leiocassis longirostris, LL, ♂, 2n = 52). And the morphological data, external frame parameters, chromosomal karyotypes, DNA content measurement, mitochondrial DNA control region, and species-specific marker identification were applied to investigate the traits and genetic characterization of the PL hybrid offspring and their parents. Both quantifiable traits and shape frame parameters of the PL hybrid offspring were revealed to be intermediate between those of their parents; however, cluster analysis showed that their external morphology was more in favor of the maternal PU. The growth comparisons showed that the hybrids had significant growth advantages over maternal PU. Based on karyotype patterns, DNA contents and mitochondrial DNA, the hybrid origin and maternal inheritance of hybrid offspring were further confirmed. According to the sequence variations identified from the genome sequences of the two catfish species, one species-specific marker was developed to distinguish the PL hybrid offspring and their parents. Therefore, this study provides a successful case for intergeneric hybridization and hybrid superiority, and the PL hybrid shows promise for commercial application, pending further studies into its husbandry, health, and welfare with larger populations of fish. Full article
(This article belongs to the Special Issue Genetics, Breeding, and Farming of Aquatic Animals)
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12 pages, 2598 KiB  
Article
Single-Nucleus RNA Sequencing Reveals the Transcriptome Profiling of Ovarian Cells in Adolescent Cyprinus carpio
by Mingxi Hou, Jin Zhang, Qi Wang, Ran Zhao, Yiming Cao, Yingjie Chen, Kaikuo Wang, Ning Ding, Yingjie Qi, Xiaoqing Sun, Yan Zhang and Jiongtang Li
Animals 2024, 14(22), 3263; https://doi.org/10.3390/ani14223263 - 13 Nov 2024
Viewed by 1078
Abstract
The common carp (Cyprinus carpio) is a crucial freshwater species cultivated worldwide for food consumption. Female carp have better growth performance than males, which fascinates scholars to uncover the mechanism of gonadal differentiation and produce mono-sex populations. However, the mechanism of [...] Read more.
The common carp (Cyprinus carpio) is a crucial freshwater species cultivated worldwide for food consumption. Female carp have better growth performance than males, which fascinates scholars to uncover the mechanism of gonadal differentiation and produce mono-sex populations. However, the mechanism of ovarian development at single-cell resolution is limited. Here, we conducted single-nucleus RNA sequencing in adolescent common carp ovaries. Our study obtained transcriptional profiles of 13,155 nuclei and revealed 13 distinct cell clusters in the ovaries, including three subtypes of germ cells and four subtypes of granulosa cells. We subsequently performed pseudotime trajectory analysis to delineate potential mechanisms underlying the development of germ cells and granulosa cells. We identified 1250 dynamic expression genes in germ cells and 1815 in granulosa cells (q-value < 0.01), including zp3, eif4a2 and aspm in germ cells and fshr and esr1 in granulosa cells. The functional annotation showed that dynamic expression genes in germ cells were involved in sperm–egg recognition and some terms related to meiosis, such as sister chromatid segregation and homologous recombination. Genes expressed dynamically in granulosa cells were related to the TGF-β signaling pathway, response to gonadotropin, and development of primary female sexual characteristics. In addition, the dynamic genes expressed in granulosa cells might relate to the complex communication between different cell types. In summary, our study provided a transcriptome profile of common carp ovaries at single-nucleus resolution, and we further revealed the potential cell type-specific mechanisms underlying oogenesis and the differentiation of granulosa cells, which will facilitate breeding all-female common carp populations. Full article
(This article belongs to the Special Issue Genetics, Breeding, and Farming of Aquatic Animals)
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