1973 B.S. Animal Science, Mississippi State University

1975 M.S. Animal Science (Reproductive Physiology)Kansas State University, Thesis: "Induced calving and estrus synchronization in beef cattle"

1980 Ph.D. Major – Animal Science (Reproductive Physiology); Minor – Agronomy (Forage Crops) Louisiana State University, Dissertation: "Estimation of physiological and genetic parameters related to dystocia in beef cattle"

Current Responsibilities:

Associate Vice Chancellor - Assist the Vice Chancellors/Directors of the Louisiana Agricultural Experiment Station and Louisiana Cooperative Extension Service by providing oversight for programs and personnel related to statewide research and extension programs in the Animal and Food Sciences including aquaculture, beef, dairy, poultry, forages, horses, sheep, swine, goats, wildlife and veterinary sciences.

Associate Director (LAES) – Responsible for overall CRIS project management (approximately 300 projects) and related federal reporting within the LAES.

Regional Responsibilities:

1. Administrative Advisor to the Southern Animal Sciences Department Heads (Southern Advisory Committee-2) appointed by the Southern Association of Agricultural Experiment Station Directors (SAAESD)

2. Administrative Advisor to S-1013 - Genetic (Co)Variance of Parasite Resistance, Temperament, and Production Traits of Traditional and Non-Bos Indicus Tropically Adapted Breeds,” appointed by SAAESD

3. Administrative Advisor to S-1023 – “Enhancing Production and Reproductive Performance of Heat-Stressed Dairy Cows,” appointed by SAAESD

4. Administrative Advisor to S_temp1422 – a Southern Extension/Research Activity (SERA) on beef/forage production in the southeast, appointed by SAAESD

5. Chair of the Southern Multistate Research Committee, appointed by SAAESD

6. Member of the Board of Directors for the Southern Regional Aquaculture Center, appointed by SAAESD

7. Secretary-elect of the Southern Section of the American Society of Animal Science

Selected Refereed Publications:

Morrison, D.G., P.E. Humes, and R.A. Godke. 1983. The use of dimenhydrinate in conjunction with dexamethasone for induction of parturition in beef cattle. Theriogenology 19: 221.

Morrison, D.G., P.E. Humes, N.K. Keith and R.A. Godke. 1985. Discriminant analysis for predicting dystocia in beef cattle. I. Comparison with regression analysis. J. Anim. Sci. 60:608-616.

Morrison, D.G., P.E. Humes, N.K. Keith and R.A. Godke. 1985. Discriminant analysis for predicting dystocia in beef cattle. II. Derivation and validation of a prebreeding prediction model. J. Anim. Sci. 60:617-621.

Morrison, D.G., W. D. Williamson, and P.E. Humes. 1986. Estimates of heritabilities and correlations of traits associated with pelvic area in beef cattle. J. Anim. Sci. 63: 432-437.

Morrison, D.G., J.E. Chandler, L.S. Chandler, A.F. Radintz, and M.B. Warner. 1988. Effect of Prostaglandin F₂α at insemination on sperm numbers and pregnancy rate in beef cattle. Theriogenology 30:109.

Morrison, D.G., P.E. Humes and K.L. Koonce. 1989. Comparisons of Brahman and Continental European crossbred cattle for calving ability in a subtropical environment. J. Anim. Sci. 67:1722.

Morrison, D.G., J.I. Feazel, C.P. Bagley and D.G. Blouin. 1992. Postweaning growth and reproduction of beef heifers exposed to calve at 24 or 30 months of age in spring and fall seasons. J. Anim. Sci. 70:622.

Miller, J.E. and D.G. Morrison. 1992. Effect of fenbendazole and ivermectin on development of strongylate nematode eggs and larvae in calf feces. Vet. Parasitol. 43:265.

Mooso, G.D., D.G. Morrison, J.I. Feazel, and D.R. Morris. 1993. Development of grass-clover systems for fall-calving beef cows. I. Forage production and quality. Proc. XVII Intl. Grassl. Cong. p. 1279.

Morrison, D.G., J.I. Feazel, and G.D. Mooso. 1993. Development of grass-clover systems for fall-calving beef cows. II. Cow-calf production and economic analysis. Proc. XVII Intl. Grassl. Cong. p. 1280.

Spitzer, J.C., D.G. Morrison, R.P. Wettemann, and L.C. Faulkner. 1995. Reproductive responses and calf birth and weaning weights as affected by body condition at parturition and postpartum weight gain in primiparous beef cows. J. Anim. Sci. 73:1251.

Vizcarra, J. A., R. P. Wettemann, J. C. Spitzer, and D. G. Morrison. 1998. Body condition at parturition and postpartum weight gain influence luteal activity and concentrations of glucose, insulin, and NEFA in plasma of primiparous beef cows. J. Anim. Sci. 76:927.

Morrison, D.G., J.C. Spitzer, and J.L. Perkins. 1999. Influence of prepartum body condition score change on reproduction in multiparous beef cows calving in moderate body condition. J. Anim. Sci. 77:1048-1054.