Browsing by Author "Dunham, Rex"

Now showing items 21-40 of 53

Effect of Genetics on Body Weight Variability in Channel Catfish (Ictalurus punctatus) Female X Blue Catfish (I. furcatus) Hybirds

Robinson, Dalton (2017-11-17)

Hybrid catfish have become common in the catfish production industry in the United States accounting for 50-70% of all catfish produced. Variable body weight of hybrid catfish can create production and marketing problems ...

Effects of Donor Size, Host and Technician Skill for Success of Xenogenesis for Sturgeon or Catfish Gametogonium Transplantation into Triploid Catfish

Al-Armanazi, Jacob (2023-11-27) ETD File Embargoed

Xenogenesis is an innovative reproductive technology for the gamete production of biologically and commercially important species. As the primary source of caviar sold commercially, wild sturgeon populations have been ...

The Effects of the Masou Salmon Delta5-Desaturase Transgene on N-3 Fatty Acid Production in F1 Transgenic Common Carp (Cyprinus carpio) and Channel Catfish (Ictalurus punctatus)

Bugg, William (2017-04-21)

The objectives of this study were determine the effectiveness of the Masou salmon delta5-desaturase transgene driven by a beta-actin promoter for improving n-3 fatty acid production in F1 transgenic common carp, Cyprinus ...

Enhancing the efficiency of hybrid catfish (♀ channel catfish, Ictalurus punctatus, × ♂ blue catfish, I. furcatus) embryo production through xenogenesis

Hettiarachchi, Darshika Udari (2023-05-01)

Xenogenesis has been identified as an innovative technology for hybrid catfish (♀ channel catfish, Ictalurus punctatus × ♂ blue catfish, I.furcatus) embryo production. The xenogeneic process can be accomplished by transplanting ...

Epigenomic and transcriptomic alterations of channel catfish exposed to DNA methyltransferase inhibitor and estradiol

Wang, Wenwen (2021-07-23)

Teleost fish exhibit a great level of diversity of sex determination. With channel catfish (Ictalurus punctatus), a lower teleost, sex determination genes have not been identified. However, the sex determination region ...

Evaluation Of LHRHa Implants and Injections on the Production of Channel Catfish (Ictalurus punctatus) Female X Blue Catfish (Ictalurus furcatus) Male Fry

Hutson, Alison (2006-08-15)

The hybrid produced from the channel catfish (Ictalurus punctatus) female and the blue catfish (I. furcatus) male has better culture traits than the primarily cultured channel catfish. Producing hybrid catfish has been ...

An Evaluation of Triploid Flathead Catfish

Gima, Andrew (2008-12-15)

The overall objective of this research was to develop an effective protocol to produce triploid flathead catfish, Pylodictis olivaris. To accomplish this goal, data was gathered depicting characteristics of flathead catfish ...

Factors Affecting the Frequency of Oversized and Undersized Channel Catfish, Ictalurus punctatus, ? X Blue Catfish, I. furcatus, ? Hybrid Catfish at Food Fish Harvest and their Economic Impact

Gosh, Kamal (2018-07-19)

Hybrid catfish (channel catfish, Ictalurus punctatus, ♀ x blue catfish, I. furcatus, ♂) farming is a prime example of yield intensification but has witnessed growth variability problem. Investigating the causative factors ...

Functional Genomics of Air Breathing in Catfish

Ma, Xiaoli (2020-05-14)

Channel catfish (Ictalurus punctatus), tra catfish (Pangasianodon hypophthalmus) and walking catfish (Clarias macrocephalus) all belong to order Siluriformes, but I. punctatus does not possess an air breathing organ (ABO) ...

Gene Editing and Hormone Therapy to Control Reproduction in Channel Catfish, Ictalurus punctatus

Qin, Guyu (2019-04-23)

Channel catfish (Ictalurus punctatus) and their hybrids account for more than 60% of aquaculture production in the US. The catfish industry is being severely challenged during recent years as a result of higher operating ...

Gene editing for growth enhancement in channel catfish, Ictalurus punctatus, and xenogenesis in common carp, Cyprinus carpio to produce blue catfish, I. furcatus, sperm

Bern, Logan (2024-04-26) ETD File Embargoed

Xenogenesis is a method of reproduction where successive generations differ from each other and no genetic material is transmitted from the parent to the offspring. Xenogenesis can be accomplished by transplanting ...

Gene Editing of Luteinizing Hormone, Follicle-stimulating Hormone and Gonadotropin-releasing Hormone Genes to Sterilize Channel Catfish, Ictalurus punctatus, using Zinc Finger Nuclease, Transcription Activator-like Effector Nuclease and Clustered Regularly Interspaced Short Palindromic Repeats/Cas9 Technologies

Qin, Zhenkui (2015-12-10)

Channel catfish (Ictalurus punctatus) is the leading freshwater aquaculture species in the US, but the catfish industry has been in crisis during the past few years. Genetically enhanced fish can greatly contribute to ...

Gene Expression and Development of the Air-breathing Organs (ABO) in Asian Catfish and Transfer of Putative ABO Transgenes into Channel Catfish (Ictalurus punctatus)

Hasin, Tasnuba (2022-07-27)

Tra catfish (Pangasianodon hypophthalmus) and bighead catfish (Clarias macrocephalus) are two freshwater air-breathing Asian species that belong to the order Siluriformes. Tra catfish have a swimbladder, whereas bighead ...

Genetic analysis of loci controlling heat tolerance and ESC disease resistance in catfish

Jin, Yulin (2018-07-25)

Catfish is one of the main aquaculture species in the US. However, the catfish industry is under the threat of various of environmental stresses and diseases, with heat stress and ESC are two major representatives. One ...

Genetic Effects on the Production of Channel Catfish (Ictalurus punctatus) Female X Blue Catfish (Ictalurus furcatus) Male Hybrid Fry

Ballenger, Joseph (2007-08-15)

The hybrid from the mating of a female channel catfish (Ictalurus punctatus) with a male blue catfish (Ictalurus furcatus) exhibits heterosis for various performance traits which would make it attractive to the commercial ...

Genetic Technologies for Disease Resistance Research and Enhancement in Catfish

Elaswad, Ahmed (2016-12-09)

A microinjection protocol was developed and validated for CRISPR/Cas9 gene editing in channel catfish, Ictalurus punctatus. This protocol proved to be rapid, efficient and does not require elaborate equipment or a high ...

Genetic Technologies for Growth Enhancement in Catfish

Coogan, Michael (2021-04-19)

The effects of CRISPR/Cas9 knockout of the myostatin (MSTN) gene in channel catfish, Ictalurus punctatus, was investigated. A total of 209 fish survived microinjection over 3 years with an average mutation rate of 58%. ...

A Histological Evaluation of the Development of Respiratory Structures in Channel Catfish (Ictalurus punctatus) and Tra (Pangasianodon hypophthalmus)

Backenstose, Nathan (2018-04-25)

In the realm of finfish production, Siluriformes is one of the most dominant orders on an international scale. Within the United States the family Ictiluridae is most common, while Pangasiids and Clariids are cultured in ...

Identification and analysis of genome-wide SNPs provide insight into signatures of selection and domestication in channel catfish (Ictalurus punctatus)

Sun, Luyang (2014-12-10)

Domestication and selection for important performance traits can impact the genome, which is most often reflected by reduced heterozygosity in and surrounding genes related to traits affected by selection. In this study, ...

Identification of Molecular Biomarkers for Male Reproductive Success in Blue Catfish (Ictalurus furcatus)

Hess, Hana (2022-04-27)

The overall objective of this project was to understand the underlying physiological and molecular processes that are associated with sperm production and function. The primary objective was to identify RNA biomarkers ...