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Browsing by Author "Dyce, Paul"
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Alternative Forage Systems for Developing Replacement Heifers
Marks, Marty Landon (2020-05-11)
Heifer development systems are an essential phase of beef production due to lifelong production implications. Reproductive success of a heifer’s first breeding season is critical to the sustainability of cow-calf production ...
Effects of maternal supplementation with rumen-protected methionine and niacin on gene expression: the role of fetal programming on growing beef cattle
Alfaro, Gastón Federico (2021-11-29)
The role of supplementation with dietary rumen-protected methionine (RPM), and niacin (RPN) on beef cattle was assessed in two different, 2-year studies.
In the first study, Angus × Simmental dams (n = 44) were divided ...
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 ...
Evaluation of Aerobic Culture Results and the Expression of Embryonic Transcripts From In Vivo Derived Embryos Exposed to Media With and Without Antibiotics
Cowley, Jessica (2023-05-31) ETD File Embargoed
More than 2.8 million antibiotic-resistant infections occur in the United States each year, with a resultant 35,000 deaths. The United States Department of Agriculture is investigating ways to judiciously use antibiotics ...
Examining the ability of molecular methods to differentiate reproductive potentials in Bos taurus heifers
Mahoney, Erin (2022-11-30) ETD File Embargoed
Informative selection of replacement heifers remains a challenge in cow-calf production. Traditional phenotypic methods are currently used to identify heifers with a high probability of conceiving early in their first ...
Exploring immunoglobulin and metabolomic biomarkers of subfertility in Bos taurus beef heifers
Holliman, Anna (2023-07-17) ETD File Embargoed
Unexplained heifer subfertility is a resource drain on beef production, negatively effecting production efficiencies. Animals that do not conceive within a breeding season and those conceive late result in lighter calves ...
Investigating plasma metabolomics profiles at the time of artificial insemination, based on pregnancy outcome, in Bos taurus heifers.
Phillips, Kaitlyn (2018-07-10)
The development of biomarkers for the identification of infertile heifers has the potential to improve the efficiency of cow-calf production. In this study, we utilized metabolomic profiling to look for biomarkers in the ...
Investigating the ability of traditional and molecular methods to differentiate between reproductive potentials in Bos taurus heifers
Rutledge, Lauren (2021-07-13)
Within the livestock industry, one of the main problems that a producer faces is infertility. Infertility in cattle can lead to an animal being removed from cow-calf operations earlier in their lifetime. Reproductive ...
Investigating the role of connexin 43 in oocyte developmental competence
Read, Casey (2018-07-09)
In this study we are committed to understanding the role of connexin 43 (CXx43)-based, cumulus cell cellular coupling and its relationship to bovine embryo development. Several studies have provided clear evidence that ...
Investigating the role of inflammation on bovine oocyte health and development
Gorman, Sara (2020-08-07)
In this study we investigated the effects of inflammation resulting from LPS exposure on oocyte health, maturation and subsequent developmental competence. Inflammation caused by infection in cattle is known to have negative ...
Optimizing in vitro culture conditions for broiler chicken Pectoralis major muscle satellite cells
Gregg, Caroline (2022-11-29) ETD File Embargoed
There is growing interest in understanding how muscle-specific stem cells, or satellite cells (SC), contribute to post-hatch skeletal muscle growth of broiler chickens and their potential role in the development of breast ...
Pannexin 1 Expression in Bovine Cumulus-Oocyte Complexes and Function During in vitro Maturation
Dye, Zachary (2019-07-03)
In this study we investigate the presence of pannexin 1 (PANX1) protein channels in bovine cumulus-oocyte complexes (COCs). Pannexin channels are a recently discovered family of proteins which have been characterized in ...
Phenotypic and Genetic Aspects of Fertility in Beef Heifers
Dickinson, Sarah (2019-07-17)
Reproductive success of a heifer’s first breeding season is highly critical to the sustainability of beef cattle production systems. Therefore, multiple management practices exist to ensure heifers are properly developed ...
Role of muscle satellite cells in the Wooden Breast broiler chicken meat quality defect
Flees, Joshua (2022-11-29) ETD File Embargoed
The poultry industry has made improvements in nutrition, genetic selection, and management to improve broiler chicken growth performance and breast meat yield. However, these observed increases in performance have been ...