Herbivory by wild and domestic ungulates influences tree recruitment and alters plant community composition in forests throughout the world. Herbivore-driven declines in tree recruitment have been widely observed for quaking aspen (Populus tremuloides), a foundation tree species…
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Nonhuman animals are a key parameter for processes of urbanization, but have been marginalized in both mainstream and critical frameworks of urban theory and design. This dissertation critically analyzes this proposition in relation to the history and theory of Western urbanizat…
This thesis is a sociological exploration of how people involved in commercial and hobby livestock production, in Northeast Scotland, make sense of their relations with livestock, from birth to slaughter. I carried out an ethnographic study that combines fieldwork and unstructur…
Socio-cultural diversity and ethnicity are key themes in the archaeological research of the Near East. Faunal remains are an important source of knowledge regarding the herd maintenance and subsistence strategies which supported ancient populations and often reflected informatio…
Land reform is important to correct historical injustices in all districts of South Africa, including the Waterberg District Municipality. There is consensus, globally, that there are trade-offs among diverse land reform objectives, namely: social, economic, political and enviro…
Ever since the eighteenth century, experts have tried to tell farmers how to farm. The agricultural enlightenment in Europe marked the beginning of a long arc of new experts aiming to change agricultural knowledge and practice. This dissertation analyzes the pivotal period in th…
The Australian sheep blowfly, Lucilia cuprina, and the New World screwworm (NWS), Cochliomyia hominivorax, are devastating insect pests that cause billions of dollars in damage each year. These insects cause myiasis in warm blooded mammals, in which the larvae feed from flesh of…
The September 2017 issue of the National Geographic magazine contained an article wondering why the Netherlands, this small, urbanized, and densely-populated country in Western Europe, is the second world exporter of food. The answer is found in the innovativeness of Dutch agric…
A conservação dos carnívoros é considerada prioritária devido à importância destes para os ecossistemas e à ameaça séria de extinção que enfrentam em todo o mundo. Jaguares (Panthera onca) e pumas (Puma concolor), os maiores felinos do Brasil e das Américas, estão em declínio de…
Through land use and biomass utilization, humans are dominant forces in the planetary biosphere and carbon and nitrogen cycles. Economic subsidies and policy mandates for producing biomass-sourced fuels and electricity could increase further the human appropriation of planetary …
Twelve mature and six 2-year-old Arabian horses were used to determine the effect of dietary long-chain polyunsaturated omega-3 fatty acid supplementation on fatty acids, bone markers, and lameness. Stride lengths at the walk and trot, lameness scores, and range of motion of leg…
Search for alternatives to sub-therapeutic and therapeutic use of antibiotics has brought several options to the animal industry. Among the most promising, strains of lactic acid bacteria, described as probiotics for their beneficial effects on the host's health, and nutrient su…
Genetic selection for economic traits in modern strains of poultry has resulted in increased demands on skeletal integrity. Laying hens are highly susceptible to bone loss, osteoporosis and fractures of bone. Bone breakage also occurs in rapidly growing broiler chickens. Stronti…
Intestinal health has a major influence on growth performance of turkeys and broilers as it affects feed digestion, nutrient absorption, and mortality. Compromised intestinal health is associated with animal infectious diseases and enteric foodborne pathogen colonization that ma…
Poultry-related salmonellosis is an on-going problem that the poultry industry must continue to address. To address these challenges, Salmonella populations present on litter and fecal samples of brooder and grow-out turkey farms were assessed using a quantitative procedure. Fur…
Background. The emergence of antibiotic resistant pathogens is increasing the proportion of infectious disease deaths globally and this burden is greatest in developing countries. Studies from developed countries have shown that animal agricultural antibiotic use, along with hum…
Browse condensed tannin plays a role in ruminant protein by-pass. Herbaceous, native legumes as a supplement to grass pastures may improve goats' nutrition. Three legume species native to north central Texas, Acacia angustissima var. hirta, Desmodium paniculatum, and Lespedeza p…
The focus of the dissertation is on myonuclear accretion of the early post-hatch poult because an increase in myofiber size is limited to the number of myonuclei present and the ability of the myofiber to acquire new nuclei is not consistent from hatch to market. The objective o…
This dissertation explores how social networks affect economic wellbeing, with a focus on the impact of social capital on in asset accumulation and asset distribution. The first essay of this dissertation examines the idea that how wealth is distributed across social groups fund…