Sökning: "fertility behavior"

Visar resultat 11 - 15 av 35 uppsatser innehållade orden fertility behavior.

  1. 11. Exogena östrogeners påverkan på fisk

    Kandidat-uppsats, SLU/Dept. of Biomedical Sciences and Veterinary Public Health

    Författare :Angelica Johansson; [2019]
    Nyckelord :östrogen; fisk; vitellogenin; beteende; intersex;

    Sammanfattning : Fiskars proteiner är snarlika människans vilket gör att de i många fall kan påverkas av samma ämnen som oss. Hormonpreparat, naturliga östrogener och östrogena nedbrytningsprodukter passerar genom reningsverken och hamnar slutligen i vattenmiljön där fiskar exponeras för ämnena. LÄS MER

  3. 12. The relation between age at first birth and complete fertility

    Master-uppsats, Lunds universitet/Ekonomisk-historiska institutionen

    Författare :Juan Camilo Medina; [2019]
    Nyckelord :postponement fertility; Business and Economics;

    Sammanfattning : Transition to later childbearing regimes is a distinct feature of nations in the developed world. Simultaneously, the overall continuation of the declines in fertility experienced by several European nations motivated the study of the relation between postponement and complete fertility. LÄS MER

  4. 13. Effects of grooving slippery concrete floors on dairy cows´ claw health, behavior, fertility and survival : farmers experience and herd data

    Master-uppsats, SLU/Dept. of Biosystems and Technology (from 130101)

    Författare :Stefanie Macklin; [2018]
    Nyckelord :activity; lameness; slippery; abrasive; oestrus behavior; downer cow; mounting; concrete; mortality; muscle strain; trauma; claw wear;

    Sammanfattning : The most common floor type in dairy barns is concrete. Concrete does unfortunately get slippery over time due to mechanical and chemical degradation. Slippery floors increase the risk of slipping and falling and influence cows’ behavior, which can affect claw health, fertility and survival. LÄS MER

  5. 14. Childhood neighborhood and the transition to parenthood in Sweden

    Master-uppsats, Stockholms universitet/Sociologiska institutionen

    Författare :Ezdani Khan Sabil; [2018]
    Nyckelord :Neighborhood; Fertility; Parenthood; Attitude; Value; Scalable neighborhood; Segregation; Sweden;

    Sammanfattning : This thesis is exploring the association between childhood neighborhood and the time of the transition to parenthood. In addition, it also explores the relationship between neighborhood and individual attitudes related to fertility behavior. For this purpose, two different datasets were combined. LÄS MER

  7. 15. Stability of fertility preferences and intentions : A new angle on studying fertility behavior in Germany

    Master-uppsats, Stockholms universitet/Sociologiska institutionen

    Författare :Antonia Spath; [2018]
    Nyckelord :Fertility preferences; family size preference; short-term fertility intentions; fertility intentions; Germany; Theory of Planned Behavior; life course perspective; attitudes; working life; female labor force participation; gender; parity;

    Sammanfattning : Prevailing low fertility rates in several European states, such as Germany, have been studied widely in recent years. Findings include discrepancies between fertility preference and actual family size as well as between fertility intentions and fertility behavior; an ‘unmet need’ for children found on the individual and the societal level. LÄS MER