Delayed Reproduction, Injury, and Regeneration of Testes in Out-of-Season Breeding of Largemouth Bass (

Kuo He, Yi Yang, Zhihong Li, Haoxiao Yan, Kaige Song, Qiao Liu, Liulan Zhao, Song Yang

Abstract read

In one paragraph

Article in Antioxidants (Basel, Switzerland), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

8 authors.

Kuo HeCollege of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China.

Yi YangCollege of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China.

Zhihong LiCollege of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China.

Haoxiao YanCollege of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China.

Kaige SongCollege of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China.

Qiao LiuCollege of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China.

Liulan ZhaoCollege of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China.

Song YangCollege of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China.ORCID 0000-0003-3209-5641

Funding

Natural Science Foundation of Sichuan Province 2023NSFSC1220

6 · The paper itself

Abstract

Out-of-season breeding is an effective method for addressing seasonal shortages of fry in aquaculture species such as largemouth bass (LMB) for year-round production. Off-season breeding of LMB can be achieved by subjecting breeding LMB to prolonged low-temperature conditions; however, this can alter reproductive rhythms, affecting the quality of their sperm and leading to a decrease in reproductive efficiency. Therefore, it is crucial to investigate issues such as the damage to the testes and the related mechanisms caused by low-temperature stress during out-of-season breeding. In this experiment, we assessed the changes in the testes during this time in LMB by comparing reproductive rhythms, testicular histomorphology, ultrastructure, antioxidant capacity and apoptosis. We synthesized measurements of LMB from three identically treated cement ponds and fish exposed to water temperatures of 13-16 °C to assess the changes in the testes. The results showed that (1) out-of-season reproduction delayed sperm production and promoted sperm redevelopment in LMB, various hormone levels have changed over time (e.g., LH, FSH, and T). (2) The head plasma membrane of LMB spermatozoa was separated, and the middle mitochondria were swollen. (3) The expression levels of antioxidant enzymes (cat, sod, and gpx) were upregulated, and oxidative stress occurred in LMB. (4) The expression levels of apoptosis genes (e.g.,

Indexed as

apoptosishormoneslow-temperature stressMicropterus nigricansoxidative stresstestis damage

Identifiers

PMID39334736

DOI10.3390/antiox13091077

PMCPMC11429289

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.