Sökning: "Fearfulness"

Visar resultat 1 - 5 av 18 uppsatser innehållade ordet Fearfulness.

  1. 1. Domestications effect on associative and spatial learning in chickens (Gallus gallus)

    Kandidat-uppsats, Linköpings universitet/Biologi

    Författare :Victoria Svensson; Ludvig Lindahl; [2023]
    Nyckelord :Associative; Domestication; Female; Gallus; Male; Red Junglefowl; Spatial; White Leghorn.;

    Sammanfattning : The effects of domestication on animals’ behaviors and morphology are well known and documented. Changes due to domestication include higher sociability, decreased fearfulness, and increased boldness. LÄS MER

  3. 2. Association analyses of forehead hair whorls, behaviour, and chromosome regions in Standardbred Trotters

    Uppsats för yrkesexamina på avancerad nivå, SLU/Dept. of Animal Breeding and Genetics

    Författare :Victoria Saxe; [2022]
    Nyckelord :behaviour; temperament trait; tricoglyph; hair whorl; swirl; genetics; horse; Standardbred trotter; genotype; phenotype;

    Sammanfattning : Introduction: In horse breeding, athletic skills have been in focus and certain behaviour types have been found to be important for competition. Behaviour is heritable but is also affected by the environment. Just like humans, animals have their own personality and behaviour-traits. LÄS MER

  4. 3. Genetic background of temperament traits in standardbred trotters

    Master-uppsats, SLU/Dept. of Animal Breeding and Genetics

    Författare :Paulina Berglund; [2021]
    Nyckelord :temperament; standardbred trotter; heritability; low-pass whole genome sequencing;

    Sammanfattning : The genetic background of temperament traits in horses has been subject for research for many years to obtain understanding of domestication, breed differences and welfare. Previous studies have found heritabilities ranging from low to moderate for temperament. LÄS MER

  5. 4. The effect of brooders on the synchronization of behaviour in broilers

    Master-uppsats, SLU/Dept. of Animal Environment and Health

    Författare :Elin Yngve; [2019]
    Nyckelord :broilers; sleep; resting; synchronization; brooders;

    Sammanfattning : For the first weeks of their life chickens in nature sleep and rest on the ground under the brooding hen. However, broilers in conventional production are kept in very barren environment with high stocking densities which does not encourage sleep and rest. LÄS MER

  7. 5. Förutsättningar för selektion och bedömning av temperament hos häst

    Kandidat-uppsats, SLU/Dept. of Animal Breeding and Genetics

    Författare :Isabella Odmark; [2017]
    Nyckelord :temperament; bedömning; avel; häst;

    Sammanfattning : Avel för temperament hos hästar är en aktuell fråga i flera länder. Temperament är inkluderat i avelsmålet för flera raser, däribland den svenska varmblodiga ridhästen men det finns idag inget enskilt test för att bedöma temperament. Det finns heller ingen vedertagen definition av temperament vilket gör egenskapen svårt att bedöma. LÄS MER