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Full-Text Articles in Life Sciences
Factors Associated With The Highway Mortality Of Mule Deer At Jordanelle Reservoir, Utah, Laura A. Romin
Factors Associated With The Highway Mortality Of Mule Deer At Jordanelle Reservoir, Utah, Laura A. Romin
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Highway mortality of deer (Odocoileus sp.) is a nationwide concern. In 1991, 538,000 deer-vehicle collisions occurred nationwide. Property damage to vehicles, human injuries and fatalities, and potential impacts to local deer populations occur from deer-vehicle collisions. Techniques have been evaluated to reduce highway mortality of deer; however, an effective, cost-efficient solution does not exist for widespread use. If mitigative technologies are to be successful, we need to understand deer behavior and movement patterns associated with highway relationships. Most research about highway deer kills has focused on white-tailed deer (Odocoileus virginianus) in mixed hardwood habitat types. The …
Transcervical Versus Laparoscopic Insemination In Nulliparous And Multiparous Ewes After Estradiol Cypionate Treatment, Tami L. Gage
Transcervical Versus Laparoscopic Insemination In Nulliparous And Multiparous Ewes After Estradiol Cypionate Treatment, Tami L. Gage
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The only practical method for artificially breeding ewes with frozen semen is laparoscopic insemination into the lumen of the uterine horn. Like all surgical procedures, however, laparoscopic artificial inseminatiom has limitations. The procedure requires surgical skill and costly equipment. Repeated passage of the laparoscope through the abdominal wall causes adhesions. Depositing frozen/thawed semen at the os cervix results in low conception rates. The inability to pass an insemination pipette through the cervix has prevented artificial insemination in sheep from becoming a standard breeding method as in the cattle industry. This study compared laparoscopic and transcervical methods of insemination in nulliparous …