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Articles 1 - 7 of 7
Full-Text Articles in Life Sciences
The Impacts Of A Quagga And Zebra Mussel Infestation, Casey Silva
The Impacts Of A Quagga And Zebra Mussel Infestation, Casey Silva
All Graduate Plan B and other Reports, Spring 1920 to Spring 2023
Invasive species issues have been on the rise in the United States for decades. These organisms can disrupt the natural flow of an ecosystem and overtake native species, altering an environment as a whole. The introduction of the zebra mussel (Dreissena polymorpha) in 1988, followed by the quagga mussel (Dreissena rostriformis) in 1989 is arguably the most prolific aquatic infestation the nation is currently up against (Hoddle, 2022). Beginning in the Great Lakes, both quagga and zebra mussels quickly spread their infestations through the Midwest and the East coast. The potential invasion of these species across …
Skeletal Muscle Growth Of Beef Cattle: Cattle Breed Types And Anabolic Implants, Caleb C. Reichhardt
Skeletal Muscle Growth Of Beef Cattle: Cattle Breed Types And Anabolic Implants, Caleb C. Reichhardt
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Two potential methods that can be used by the U.S. to help further improve environmental and economic sustainability of the beef industry are through the use anabolic implants, typically composed of the hormones estradiol and trenbolone acetate, and by crossbreeding Bos taurus and Bos indicus cattle. How anabolic implants operate to improve growth, and their resulting relationship with different cattle breed types have yet to be determined. However, crossbreeding these cattle breed types has been found to have a positive influence on economically important traits such as average daily gain and carcass characteristics. Therefore, we hypothesized that the different hormones …
Using Cytoplasmic Biopsies To Determine Bovine Oocyte Quality, Madison Lindsey
Using Cytoplasmic Biopsies To Determine Bovine Oocyte Quality, Madison Lindsey
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Embryos resulting from assisted reproductive technologies, such as in vitro fertilization (IVF) or intracytoplasmic sperm injection (ICSI), develop with lower efficiencies than embryos resulting from their in vivo counterparts. The reasons behind the developmental discrepancies remain largely unknown. Because the egg is the primary determinant of embryo developmental success, it is reasonable to consider inherent egg quality as a possible cause. The hypothesis for this project is that there are distinct mRNA transcript patterns, or molecular “fingerprints,” that distinguish high- versus low-quality eggs developing within the same environment. In this study, a small cytoplasmic biopsy was removed from 40 eggs …
Impact Of Ph And Palmitic Acid On Ruminal Fermentation And Microbial Community Composition, Lexie Padilla
Impact Of Ph And Palmitic Acid On Ruminal Fermentation And Microbial Community Composition, Lexie Padilla
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The objective of this study was to evaluate the effects of dietary palmitic acid and pH on rumen fermentation, fiber digestibility, and bacterial community composition. The two factors in the experiment were palmitic acid treatment and pH treatment. Palmitic acid treatments included a control diet compared to a diet containing 1.5% palmitic acid. pH treatments included normal pH (6.6 to 7.0) compared to low pH (6.0 to 6.4). Rumen fluid from a cow was added to artificial rumens to study the effects of the two treatments relative to fermentation and changes within the microbial community. Results of the study showed …
A Music Composition Through The Use Of Animal Sounds, Andy Nguy
A Music Composition Through The Use Of Animal Sounds, Andy Nguy
Undergraduate Honors Capstone Projects
The knowledge on animals has been studied over many years by researching and understanding animal behavior and creativity with music. Bioacoustics shows a great deal when it comes to collecting sounds through many principles for sound data collection. With saved recording of animals, music, speeches, and so much more, it has impacted the way music is created through technology. Music production has been advancing in many creative ways. The foundation of sound manipulation is musique concrète. The project uses these concepts of audio recording and digital sounds to produce a composition that includes animal sounds.
Effects Of Providing Novel Feedstuffs To Livestock On Production And Skeletal Muscle Growth, Laura A. Motsinger
Effects Of Providing Novel Feedstuffs To Livestock On Production And Skeletal Muscle Growth, Laura A. Motsinger
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
As the population increases and available land for food production decreases, it is necessary for livestock producers to continually work towards increasing livestock production efficiency. In livestock operations, feed accounts for the majority of input costs associated with raising livestock. As such, it is necessary to improve growth and production of livestock animals, while also optimizing feed utilization. Different feedstuffs can be included in the diet of livestock animals to maximize growth and production. However, the effects of some of these novel feedstuffs on growth and production of livestock animals has not been elucidated. As such, we investigated the effects …
Greater Sage-Grouse Brood Responses To Livestock Grazing In Sagebrush Rangelands, Hailey Peatross Wayment
Greater Sage-Grouse Brood Responses To Livestock Grazing In Sagebrush Rangelands, Hailey Peatross Wayment
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The distribution and abundance of the greater sage-grouse (Centrocercus urophasianus; sage-grouse) have declined in the last 60 years. Range contractions and population declines have been attributed to loss and fragmentation of their sagebrush (Artemisia spp.) habitats. Grazing by livestock remains the predominant anthropogenic land-use across sagebrush ecosystems in North America, occurring on 87% of remaining sage-grouse habitat. Most of the peer-reviewed literature reports the potential for negative impacts of sagebrush reduction treatments, to increase livestock forage, on sage-grouse habitat. However, few studies have linked livestock grazing at the landscape level to vital rates (e.g., nest initiation rates, …