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Recruitment, Cost Indexes, And Management Of Box-Nesting Wood Ducks In South Carolina And North Carolina, Emily Miller
Recruitment, Cost Indexes, And Management Of Box-Nesting Wood Ducks In South Carolina And North Carolina, Emily Miller
All Theses
The wood duck (Aix sponsa) has experienced one of the most significant declines and recoveries among species of North American waterfowl (Anatidae). With enactment of the Migratory Bird Treaty Act (1918) and installation of hundreds of thousands of artificial nest structures for this cavity-nesting species in North America, wood duck populations have recovered and remain a sustainable harvested resource. However, long-term research on box-nesting wood ducks conducted at the Savannah River Ecology Laboratory, Aiken, South Carolina, has revealed uncertainty as to whether recruitment rates of yearling females from natal box-nesting populations are self-sustaining without immigration of hens from …
Effects Of Tannin-Free Grain Sorghum Varieties On The Metabolizable Energy, Performance, And Intestinal Health Of Poultry, Alissa Moritz
Effects Of Tannin-Free Grain Sorghum Varieties On The Metabolizable Energy, Performance, And Intestinal Health Of Poultry, Alissa Moritz
All Dissertations
The single largest cost of poultry production is the cost of feed, and it is favorable to seek more sustainable, alternative feed ingredients to reduce the competition between human, animal, and industrial users. Grain sorghum is a potential alternative feedstuff to minimize the dependence of corn by the poultry industry. Not only is it nutritionally similar to corn, but it is tolerant to dry, sandy soils, which allows it to grow successfully in arid climates. This is highly desirable because of its potential to alleviate the production pressure of growing other cereal grains like corn that are less tolerant to …