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Quantifying Male Reproductive Performance of Blue Catfish (Ictalurus Furcatus) to Improve Hatchery Production of Hybrid Catfish.

紀錄類型:	書目-語言資料,手稿 : Monograph/item
正題名/作者:	Quantifying Male Reproductive Performance of Blue Catfish (Ictalurus Furcatus) to Improve Hatchery Production of Hybrid Catfish./
作者:	Montague, Helen Rhoda.
面頁冊數:	1 online resource (105 pages)
附註:	Source: Masters Abstracts International, Volume: 85-01.
Contained By:	Masters Abstracts International85-01.
標題:	Plant sciences. -
電子資源:	click for full text (PQDT)
ISBN:	9798379869175

Quantifying Male Reproductive Performance of Blue Catfish (Ictalurus Furcatus) to Improve Hatchery Production of Hybrid Catfish.
Montague, Helen Rhoda.

Quantifying Male Reproductive Performance of Blue Catfish (Ictalurus Furcatus) to Improve Hatchery Production of Hybrid Catfish. - 1 online resource (105 pages)

Source: Masters Abstracts International, Volume: 85-01.

Thesis (M.Sc.)--Auburn University, 2023.

Includes bibliographical references

Catfish farming constitutes about 60% of total U.S. aquaculture production, where the channel catfish, Ictalurus punctatus female x blue catfish, I. furcatusmale hybrid accounts for >50% of the harvest. Current hatchery technology to produce hybrids requires the sacrifice of males for in vitro fertilization, and sperm are often of low quality/quantity, negatively affecting fertility and hatch rates. Thus, the overall objective of this thesis was to understand blue catfish male reproduction as it relates to hybrid production. Specific objectives were to: (i) compare sperm swimming kinematics and health metrics before and after cryopreservation; (ii) determine minimum quantity of frozen-thawed sperm required to maximize hatching success; (iii) decipher how early offspring development is affected when eggs were sired with fresh or frozen-thawed sperm; and iv) determine if there is a relationship between reproductive performance traits and sperm kinematic traits utilizing both fresh or cryopreserved sperm. Sperm kinematic traits and health metrics decreased after cryopreservation, adding greater than 5.0x104 sperm cryo or fresh?per egg had no significant effect on hatching success, and there was no decline in offspring performance when sired with cryopreserved sperm. Additionally, reproductive performance traits correlated with fresh and cryopreserved sperm kinematic traits. In conclusion, blue catfish male reproductive performance for more practical hybrid production was further quantified.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2024

Mode of access: World Wide Web

ISBN: 9798379869175Subjects--Topical Terms:

1179743
Plant sciences.
Index Terms--Genre/Form:

554714
Electronic books.

Quantifying Male Reproductive Performance of Blue Catfish (Ictalurus Furcatus) to Improve Hatchery Production of Hybrid Catfish.
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520 $a Catfish farming constitutes about 60% of total U.S. aquaculture production, where the channel catfish, Ictalurus punctatus female x blue catfish, I. furcatusmale hybrid accounts for >50% of the harvest. Current hatchery technology to produce hybrids requires the sacrifice of males for in vitro fertilization, and sperm are often of low quality/quantity, negatively affecting fertility and hatch rates. Thus, the overall objective of this thesis was to understand blue catfish male reproduction as it relates to hybrid production. Specific objectives were to: (i) compare sperm swimming kinematics and health metrics before and after cryopreservation; (ii) determine minimum quantity of frozen-thawed sperm required to maximize hatching success; (iii) decipher how early offspring development is affected when eggs were sired with fresh or frozen-thawed sperm; and iv) determine if there is a relationship between reproductive performance traits and sperm kinematic traits utilizing both fresh or cryopreserved sperm. Sperm kinematic traits and health metrics decreased after cryopreservation, adding greater than 5.0x104 sperm cryo or fresh?per egg had no significant effect on hatching success, and there was no decline in offspring performance when sired with cryopreserved sperm. Additionally, reproductive performance traits correlated with fresh and cryopreserved sperm kinematic traits. In conclusion, blue catfish male reproductive performance for more practical hybrid production was further quantified.
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