Sökning: "semen quality"

Visar resultat 1 - 5 av 22 avhandlingar innehållade orden semen quality.

  1. 1. Epididymal and accessory sex gland function and semen quality

    Författare :Saad Elzanaty; Malmö (Abrahamsson) Urologi; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Medicin människa och djur ; Medicine human and vertebrates ; zinc; visco-elasticity; sperm motility; SDR5A2; PSA; persistent organohalogen pollutants; NAG; fructose; Epididymis; CASA; acessory sex gland; abstinence period;

    Sammanfattning : Infertility, defined as the inability to conceive after one year of unprotected regular intercourse, affects up to 15% of all couples of reproductive age. The infertility can originate from female, male or both partners. In up to 50% of the affected couples, a male factor is the cause of infertility. LÄS MER

  3. 2. Semen quality for predicting male fertility and the association with light-regulated parameters

    Författare :Gunilla Malm; Malmö Reproduktionsmedicin; []
    Nyckelord :male fertility; seasonal variation; melatonin; semen quality; DNA integrity; microRNA;

    Sammanfattning : .... LÄS MER

  4. 3. Identification of bull semen microbiota and possible alternatives for antibiotics in semen extenders

    Författare :Aleksandar Cojkic; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Nyckelord :LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Sammanfattning : The use of 16S rRNA sequencing has revolutionised research on the microbiome. However, few studies using this method have been done on semen from healthy bulls. Such information is required to optimise addition of antibiotics to semen extenders to inhibit growth of bacteria. LÄS MER

  5. 4. Drivers and food web effects of Gonyostomum semen blooms

    Författare :Karin Johansson; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : The flagellate Gonyostomum semen forms dense late-summer blooms in humic lakes and is a nuisance to swimmers because it forms a slimy coat on the skin, causing irritation in sensitive individuals. Increasing occurrence and bloom incidence of G. LÄS MER

  7. 5. EXPOSURE TO PERSISTENT ORGANOCHLORINE POLLUTANTS AND MALE SEMEN FUNCTION

    Författare :Anna Rignell-Hydbom; Avdelningen för arbets- och miljömedicin; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Miljömedicin; Environmental health; epididymal and accessory sex gland function; Y:X sperm chromosome ratio; sperm chromation integrity; sperm concentration; sperm motility; persistent organochlorine poluutants;

    Sammanfattning : Persistent organochlorine pollutants (POPs), such as polychlorinated biphenyls (PCB) and the insecticide dichloro-diphenyl-dichloro-ethylene (DDT) have been released into the environment mainly since the second World War. POPs accumulate especially in highly ranked predators of the aquatic food chain. LÄS MER