College of Agricultural Sciences Personnel Profile
Personnel Photo
Douglas W Leavell
Vandelay Industries Chair of Research Analytics

Univ Services Center Building, Room 213
Phone:
970-491-2364
Education:
  • MBA, Southern Illinois University at Edwardsville; Finance
  • BBA, McKendree University; Finance and Accounting

Doug Leavell is Director, Research Analytics in the Office of the Vice President, Research providing Analytics support for the University’s administrators and faculty. Areas include quantitative, qualitative and financial metrics.

Leavell, Doug, (2016) Nitrous oxide and methane fluxes from cattle excrement on C3 pasture and C4-dominated shortgrass steppe Agriculture Ecosystems & Environment!!! 225 104-115

Leavell, Doug, (2015) Duration of maternal undernutrition differentially alters fetal growth and hormone concentrations Domestic Animal Endocrinology 51 1-7

Leavell, Doug, (2014) Evaluation of Saccharomyces cerevisiae fermentation product as an alternative to monensin on growth performance, cost of gain, and carcass characteristics of heavy-weight yearling beef steers Journal of Animal Science 92 6 2538-2545

Leavell, Doug, (2014) The Modern Feedlot for Finishing Cattle Annual Review of Animal Biosciences, Vol 2 2 535-554

Leavell, Doug, (2011) Naturally Colonized Beef Cattle Populations Fed Combinations of Yeast Culture and an Ionophore in Finishing Diets Containing Dried Distiller’s Grains with Solubles Had Similar Fecal Shedding of Escherichia coli O157:H7 Journal of Food Protection 74 6 912-918

Leavell, Doug, (2010) Effects of sex and short-term magnesium supplementation on stress responses and longissimus muscle quality characteristics of crossbred cattle Journal of Animal Science 88 1 349-360

Leavell, Doug, (2010) Evaluation of algae meal from Nannochloropsis oculata as a protein source for non-ruminant animals Journal of Dairy Science 93 101-102

Leavell, Doug, (2010) The influence of dietary protein regimens on crude protein and dry matter apparent digestibility in steers fed a steam-flaked corn based diet. Journal of Dairy Science 93 573-574

Leavell, Doug, (2009) Characterization and Identification of Hepatic mRNA Related to Copper Metabolism and Homeostasis in Cattle Biological Trace Element Research 129 1-3 130-136

Leavell, Doug, (2008) Feeding distillers grains supplements to improve amino acid nutriture of lambs consuming moderate-quality forages Journal of Animal Science 86 3 691-701

Leavell, Doug, (2008) Model for estimating enteric methane emissions from United States dairy and feedlot cattle Journal of Animal Science 86 10 2738-2748

Leavell, Doug, (2007) Dietary supplementation of high levels of saturated and monounsaturated fatty acids to ewes during late gestation reduces thermogenesis in newborn lambs by depressing fatty acid oxidation in perirenal brown adipose tissue Journal of Nutrition 137 1 43-48

Leavell, Doug, (2007) Net portal and hepatic flux of nutrients in growing wethers fed high-concentrate diets with oscillating protein concentrations Journal of Animal Science 85 4 997-1005

Leavell, Doug, (2007) The influence of oscillating dietary protein concentrations on finishing cattle. I. Feedlot performance and odorous compound production Journal of Animal Science 85 6 1487-1495

Leavell, Doug, (2007) The influence of oscillating dietary protein concentrations on finishing cattle. II. Nutrient retention and ammonia emissions Journal of Animal Science 85 6 1496-1503

Leavell, Doug, (2007) Urea metabolism in beef steers grazing Bermudagrass, Caucasian bluestem, or gamagrass pastures varying in plant morphology, protein content, and protein composition Journal of Animal Science 85 8 1997-2004

Leavell, Doug, (2006) Effects of feeding steam-rolled corn in lieu of dry-rolled corn on the odor of finishing beef steer manure. Journal of Animal Science 84 154-155

Leavell, Doug, (2006) Feeding high-moisture corn instead of dry-rolled corn reduces odorous compound production in manure of finishing beef cattle without decreasing performance Journal of Animal Science 84 7 1767-1777

Leavell, Doug, (2006) Influence of genotype and diet on steer performance, manure odor, and carriage of pathogenic and other fecal bacteria. II. Pathogenic and other fecal bacteria Journal of Animal Science 84 9 2523-2532

Leavell, Doug, (2006) Influence of genotype and diet on steer performance, manure odor, and carriage of pathogenic and other fecal bacteria. III. Odorous compound production Journal of Animal Science 84 9 2533-2545

Leavell, Doug, (2006) Net flux of A-amino N across splanchnic tissues of ewes during abomasal protein and glucose infusion. Journal of Animal Science 84 457-457

Leavell, Doug, (2005) Fatty acid indices of stearoyl-CoA desaturase do not reflect actual stearoyl-CoA desaturase enzyme activities in adipose tissues of beef steers finished with corn-, flaxseed-, or sorghum-based diets Journal of Animal Science 83 5 1153-1166

Leavell, Doug, (2005) Metabolite fluxes across splanchnic tissues in response to varying dietary protein in mature ewes consuming low quality forage Journal of Animal Science 83 90-90

Leavell, Doug, (2005) Total splanchnic flux of nutrients in wethers fed oscillating crude protein diets Journal of Animal Science 83 396-396

Leavell, Doug, (2005) Total splanchnic flux of nutrients in wethers fed oscillating crude protein diets Journal of Dairy Science 88 396-396

Leavell, Doug, (2004) Oscillating protein concentrations of finishing beef cattle diets improves nitrogen retention by improving nitrogen digestibility Journal of Dairy Science 87 116-116

Leavell, Doug, (2004) Oscillating protein concentrations of finishing beef cattle diets improves nitrogen retention by improving nitrogen digestibility Journal of Animal Science 82 116-116

Leavell, Doug, (2004) Oscillating protein concentrations of finishing beef cattle diets improves nitrogen retention by improving nitrogen digestibility Poultry Science 83 116-116

Leavell, Doug, (2002) Nitrogen metabolism of beef steers fed endophyte-free tall fescue hay: Effects of ruminally protected methionine supplementation Journal of Animal Science 80 5 1344-1351

Leavell, Doug, (2001) Urea flux in beef steers: Effects of forage species and nitrogen fertilization Journal of Animal Science 79 7 1937-1943

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