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All Categories (81-100 of 223)

  1. The positional quality of life and death: a theory of human-animal relations in animism

    Contributor(s):: Praet, I.

  2. Variation in reproductive traits of members of the genus Canis with special attention to the domestic dog ( Canis familiaris)

    Contributor(s):: Lord, K., Feinstein, M., Smith, B., Coppinger, R.

  3. Feminist aspects of animal abuse

    Contributor(s):: Tiplady, C.

  4. Growth and Age at Reproductive Maturity of the Carolina Pigmy Rattlesnake, Sistrurus m. miliarius (Reptilia: Serpentes)

    Contributor(s):: Kevin Robert Messenger

    Growth and age at reproductive maturity are life history attributes that play an important role in the development of proper management strategies. The Carolina Pigmy Rattlesnake, Sistrurus m. miliarius, is one of two dwarf rattlesnake species. The subspecies ranges from eastern NC to nearly the...

  5. Role of the oviduct in maintaining sustained fertility in hens

    Contributor(s):: M. R. Bakst

    In poultry, sperm transferred by natural mating or AI into the distal end of the vagina immediately begin their ascent to the utero-vaginal junction (UVJ) at the anterior end of the vagina. However, due to an intense selection process in the vagina, less than 1% of the sperm transferred actually...

  6. Variables Influencing Nest Success of Eastern Wild Turkeys in Connecticut: Nesting Habitat, Home Range-Scale Fragmentation, and Nest Attentiveness

    Contributor(s):: Shelley M. Spohr, Daniel J. Harrison (adviser), Frederick A. Servello (adviser)

    Nest success is the most important demographic parameter influencing rates of population change of eastern wild turkeys and many variables operating at multiple spatial and temporal scales may influence whether a nest is successful. Most studies of nest success and survival of turkeys have...

  7. An integrative analysis of reproduction and stress in free-living male cottonmouths, Agkistrodon piscivorus

    Contributor(s):: Sean Patrick Graham

    I conducted an integrative field study on male cottonmouths (Agkistrodon piscivorus), a common pitviper of the southeastern United States, to investigate the evolution of contrasting mating patterns in North American pitvipers (bimodal and unimodal annual patterns) and resolve conflicting...

  8. 2000 Nebraska Beef Cattle Report

    Cow/CalfAge of Calf at Weaning of Spring-Calving Beef Cows and the Effect on Production EconomicsSupplementing Metabolizable Protein to Yearling Heifers Grazing Winter RangeRefinement of the MGA/PGF Synchronization Program for Heifers Using a 19-Day PGF InjectionReplacement Heifer Development...

  9. Improving beef cattle performance on tall fescue

    Contributor(s):: Brian Thomas Campbell

    The overall goal of the studies described in this dissertation was to improve beef production of cows grazing endophyte infected tall fescue either through management practices or through identifying markers for genetic selection. Experiment 1 investigated differences in spring and fall calving...

  10. Reproductive diseases of dairy cattle

    Contributor(s):: Christina Suzanne Tortosa, Edwin Jaster (adviser)

    The efficiency of today's dairy has increased due to the growing number of cows per herd and the production of pounds of milk per cow. Increased milk production however has resulted in a reduction of conception rates causing a loss of income for the dairy producer since the dairy industry relies...

  11. A review of the welfare consequences of surgical castration in piglets and the evaluation of non-surgical methods

    Contributor(s):: Prunier, A., Bonneau, M., Borell, E. H. von, Cinotti, S., Gunn, M., Fredriksen, B., Giersing, M., Morton, D. B., Tuyttens, F. A. M., Velarde, A.

  12. Brown treesnakes: a potential invasive species for the United States

    Contributor(s):: Kahl, S. S., Henke, S. E., Hall, M. A., Britton, D. K.

  13. Effects of hikers and boats on tule elk behavior in a national park wilderness area

    Contributor(s):: Becker, B. H., Moi, C. M., Maguire, T. J., Atkinson, R., Gates, N. B.

  14. Farm animal welfare: assessing risks attributable to the prenatal environment

    Contributor(s):: Rutherford, K. M. D., Donald, R. D., Arnott, G., Rooke, J. A., Dixon, L., Mehers, J. J. M., Turnbull, J., Lawrence, A. B.

  15. Inconvenient desires: should we routinely neuter companion animals?

    Contributor(s):: Palmer, C., Corr, S., Sandoe, P.

  16. Ratings of animal personality as a tool for improving the breeding, management and welfare of zoo mammals

    Contributor(s):: Tetley, C. L., O'Hara, S. J.

  17. Repeated locomotion scoring of a sow herd to measure lameness: consistency over time, the effect of sow characteristics and inter-observer reliability

    Contributor(s):: D'Eath, R. B.

  18. Human-animal interaction, stress, and embryo production in Bos indicus embryo donors under tropical conditions

    Contributor(s):: Macedo, G. G., Zuccari Neto, C. E. S., Abreu, U. G. P. de, Negrao, J. A., Costa e Silva, E. V. da

    This study investigated the effect of human-animal interaction (HAI) and the stress response on the quality of embryo production in superovulated Nelore (Bos indicus) cattle, under tropical conditions. Thirty-two females underwent a superovulation protocol for 5 days. Cortisol concentrations were...

  19. Transgenesis in animal agriculture: addressing animal health and welfare concerns

    Contributor(s):: Greger, M.

    The US Food and Drug Administration's final Guidance for Industry on the regulation of transgenesis in animal agriculture has paved the way for the commercialization of genetically engineered (GE) farm animals. The production-related diseases associated with extant breeding technologies are...

  20. A note on the use of odor manipulation to facilitate the adoption of alien lambs by ewes bearing twins

    Contributor(s):: Price, E. O., Dally, M. R., Hernandez, L.

    Adoption of alien lambs by ewes bearing single natural offspring has been facilitated by the use of artificial odorants such as neatsfoot oil to establish a common odour for own and alien young and by the use of cloth stockinette jackets to exchange natural odours between lambs. The objective of...