Areas Of Excellence: Physiology of Reproduction


Completed Research Projects

  • Physiological roles of prostaglandin and interferon tau in conceptus development and endometrial function
  • Collaborative learning initiative in maternal, perinatal, and infant health research
  • Influence of seminal, physical and mating behavior traits of bulls on number of calves sired per bull in multi-sire herds
  • Early pregnancy diagnosis by transrectal ultrasonography in dairy cattle
  • Fertility associated antigen in peri-pubertal beef bulls
  • Pregnancy rate in beef heifers after synchrony to random or programmed estrous cycles
  • Quantifying and determining the timing of pregnancy loss in Bos indicus females
  • Determining the effect of cattle subspecies in placental production
  • Effect of sire subspecies in pregnancy success to artificial insemination
  • Effect of subspecies in pregnancy associated glycoprotein genotype and secretion
  • Development of early pregnancy test or factors in Bos indicus females
  • Assessment of temperament and stress-responsiveness in purebred Brahman and crossbred tropically adapted beef cattle
  • Development of Bee Synch I and II for synchronization of ovulation of Bos indicus influenced females
  • Nutritional programming of puberty in indicus influenced heifers and evaluation of nutritional/metabolic epigenetic effects on adult phenotype
  • Role of dietary fat as a reproductive nutraceutical for enhancing reproductive efficiency of the postpartum beef female
  • Mechanistic basis of suckling-mediated anovulation in the postpartum beef female and managerial strategies for mitigation
  • Impacts of temperament on heifer and cow reproductive efficiency in subtropical and tropical conditions
  • Intensity of estrus expression dictates reproductive success in indicus­-influenced cows
  • Supplementation programs post-breeding to optimize reproductive efficiency in indicus-influenced females

Ongoing Projects and Future Directions

  • Arginine and secreted phosphoprotein 1 mediate cell signaling to enhance conceptus development and survival in beef cattle
  • Metabolic adaptations of conceptuses to maternal malnutrition and hypoxic environment
  • Impact of perinatal nutrition on reproductive neuroendocrine phenotype in indicus-influenced heifers
  • Prenatal stress modulation of the hypothalamic pituitary adrenal axis
  • The use of sexed semen in fixed-timed artificial inseminated protocols for indicus-influenced beef heifers
  • Factors that influence the pregnancy rate of in vitro produced embryos in a commercial environment
  • Determining factors associated with late embryonic mortality in indicus-influenced cattle
  • Determining the paternal contribution to pregnancy loss in indicus-influenced cattle
  • Determine the effect of subspecies in uterine secretion of pregnancy associated glycoproteins
  • Influence of prenatal stress upon postnatal health and productivity of indicus-influenced beef calves
  • Improvement of health and feedlot performance of calves from the US Gulf Coast and Southeast
  • Development of strategies for heifer development in confined systems within tropical and subtropical regions

Research and publications in the Areas of Excellence

Department of Animal Science Areas of Excellence

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