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Protein source selection in nursery pigs during choice-feeding
(University of Missouri--Columbia, 2020)
will be higher in developing countries than in developed countries (Nozaki, 2016). These areas have lower agricultural industries and less crop production. The estimated increase in demand for meat in 2030 will be 1.44 times the consumed amount in 2011 (Nozaki...
Self-selection of animal by-product by poultry through utilization of choice feeding
(University of Missouri--Columbia, 2020)
consumption (Jayathilakan, 2011). Animal by-products have a variety of uses, in both edible and inedible forms. In the agriculture industry, all the animal is utilized to maximize profits and minimize waste. ... Choice feeding allows for animals to express...
Glutamine metabolism and interactions with mechanistic target of rapamycin complex 1 in porcine preimplantation embryos
(University of Missouri--Columbia, 2021)
The ability to culture embryos has created opportunities for animal agriculture, including the refined selection of superior genetics, and for the medical field, allowing couples experiencing infertility to have biological children. Moreover...
Using metabolic and biochemical characteristics of postmortem muscle to investigate the interconnectedness of beef color, flavor, and tenderness
(University of Missouri--Columbia, 2021)
Understanding relationships between beef palatability and quality components are crucial for continued production of high quality and consistent beef products. Myoglobin concentrations at 48 and 336 h resulted in moderate, ...
Taxonomic and metagenomic approaches to diet, health, and breeds of ruminants
(University of Missouri--Columbia, 2020)
Ruminant mammals maintain a symbiotic relationship with their gut microbiome, the organisms of which break complex plant matter into metabolites that are absorbed by the host animal for its nutrition. Building on prior ...
Exploration of fecal microbial transfer and the competitive exclusion concept in broilers as a possible alternative to antibiotic growth promoters
(University of Missouri--Columbia, 2021)
Four studies were conducted to explore the effects of early life Fecal Microbiota Transfer (FMT) from healthy feed efficient finished broilers into day-old broiler chicks on growth performance indices, changes and or ...
Comprehensive approach to dietary inclusion of high oleic soybean oil in monogastrics
(University of Missouri--Columbia, 2020)
The banning of partially hydrogenated oils in food processing by the FDA has led to a search for alternative oil sources with a decreased potential for oxidation. While marketed and founded for use in the food industry, ...
Extracellular vesicles, lipids, and lipoproteins in early pregnant sheep
(University of Missouri--Columbia, 2021)
will fill crucial gaps in our knowledge of early pregnancy events and may provide biomarkers or help develop therapies to improve pregnancy outcomes and reproductive efficiency in agricultural species....
Implications of ovarian and uterine maturity evaluated in replacement heifer candidates
(University of Missouri--Columbia, 2021)
Profitability across the reproductive lifetime of a cow depends on reproductive success in the first breeding season and requires heifers to attain puberty prior to this time. Pre-breeding evaluations may be used to determine ...
Effects of essential oils on the performance, health, and feeding behavior of growing cattle
(University of Missouri--Columbia, 2021)
Concerns and changes in policy related to use of antimicrobials in livestock has led to increased interest in using alternative feed additives such as essential oils (EO). Essential oils are plant secondary metabolites ...
Estimates of correlation between estrus behavior and estradiol concentrations during estrus
(University of Missouri--Columbia, 2020)
Estrus traits have economic value in dairy production systems and can potentially be incorporated into genomic selection. Three studies were performed to further understand selection responses. Study one and two explored ...
Genetic and nutritional effects on reproduction in lactating dairy cows
(University of Missouri--Columbia, 2020)
Good reproductive performance is a prerequisite for profitable pasture-based seasonal calving systems of milk production. The objective of this dissertation was to elucidate the physiological mechanisms contributing to ...
Conceptus interferon gamma is essential for pregnancy maintenance in the pig
(University of Missouri--Columbia, 2021)
Establishment and maintenance of pregnancy in the pig is a complex process that relies on adequate communication between the conceptus and maternal uterine endometrium. During the peri-implantation period, the conceptuses ...
Assessment of growth, performance, and end-product value when high oleic soybean oil is fed to market hogs, broiler chickens and laying hens
(University of Missouri--Columbia, 2021)
For the past decade consumers have become more aware of the food they are eating and demand healthier animal products. The use of dietary oils has allowed the livestock industry to manipulate the fatty acid profiles of ...
Improving viability of immunodeficient RAG2-/- pigs by non-specific porcine antibody administration
(University of Missouri--Columbia, 2020)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Immunodeficient swine models such as the RAG2-/- model, are valuable to the field of regenerative medicine; however, their utility would greatly benefit ...
Efforts to identify large offspring syndrome during pregnancy through ultrasonography and maternal blood transcriptome analyses
(University of Missouri--Columbia, 2021)
Large offspring syndrome (LOS) is a fetal overgrowth condition observed in some bovine offspring produced in vitro. The main phenotypes of LOS is large body size due to overgrowth during development which can result in ...
Paternal effects on pre-implantation embryo development in cattle
(University of Missouri--Columbia, 2021)
Currently, sire fertility is measured using sire conception rate (SCR), which is not always indicative of embryo development. Since the majority of pregnancy loss in dairy cattle occurs during the early embryonic period, ...
Factors affecting neonatal beef calf metabolism and vigor
(University of Missouri--Columbia, 2021)
Two studies were conducted to investigate factors affecting neonatal beef calf metabolism and vigor. In the first study, effects of late gestational nutrient restriction on colostrum yield, neonatal vigor, and blood chemistry ...
Investigation of mechanisms associated with establishment and maintenance of pregnancy in beef cattle
(University of Missouri--Columbia, 2020)
Preovulatory estradiol concentrations and expression of estrus have been shown to be associated with greater pregnancy rates in beef cattle. Experiment 1 was designed to determine if supplemental estradiol (E2) at GnRH-induced ...