Search for dissertations about: "spermatozoa"

Showing result 21 - 25 of 39 swedish dissertations containing the word spermatozoa.

  2. 21. Reproduction and health of moose in southern Sweden

    Author : Jonas Malmsten; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Keywords : LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Abstract : Moose (Alces alces) is a highly regarded game species in Fennoscandia, where annual harvest numbers in Sweden, Norway, and Finland together exceed 200,000 animals. For successful management, knowledge about male and female reproduction is essential, as well as the extent to which disease and mortality affect the population. READ MORE

  4. 22. Characterization, quantification and removal of potential pathogens from stallion semen

    Author : Ziyad Al-Kass; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Keywords : LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Abstract : In Sweden, equine artificial insemination is most frequently carried out with liquid semen rather than frozen semen. Many factors affect sperm quality during semen storage, including the presence of bacteria and addition of antibiotics. READ MORE

  5. 23. Gonad and ejaculate allocation in alternative reproductive tactics of salmon and trout with reference to sperm competition

    Author : Tomislav Vladić; Michael Taborsky; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; alternative reproductive tactics; sperm competition; brown trout; Atlantic salmon; ATP; ejaculate expenditure; motility; sperm morphology; trade-off; loaded raffle; zoologi; Zoology;

    Abstract : Atlantic salmon, Salmo salar L., and brown trout, Salmo trutta L., exhibit alternative male maturation phenotypes, anadromous and precociously mature parr, which commonly endure in sperm competition at the spawning grounds. READ MORE

  6. 24. Strategies for infertility treatment in men with azoospermia

    Author : Göran Westlander; Göteborgs universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Azoospermia; delivery outcome; Doppler flow imaging; intracytoplasmic sperm injection; Klinefelter s syndrome; sperm retrieval; ultrasonography;

    Abstract : Introduction: Historically, treatment of severe male infertility has been restricted. With the introduction of intracytoplasmic sperm injection (ICSI), infertile men have been given new hope of achieving genetic fatherhood. READ MORE

  7. 25. Seminal Influence on the Oviduct : Mating and/or semen components induce gene expression changes in the pre-ovulatory functional sperm reservoir in poultry and pigs

    Author : Mohammad Atikuzzaman; Heriberto Rodriguez-Martinez; Dominic Wright; Karl-Eric Magnusson; Maria Jenmalm; Matthias Laska; Patrice Humblot; Linköpings universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Seminal plasma; proteome peptidome; oviduct; gene expression; chicken; pig;

    Abstract : Internal fertilization occurs in birds and eutherian mammals. Foetal development, however, is either extra- respectively intra-corpore (egg vs uterus). READ MORE