Search for dissertations about: "Gallus"

Showing result 1 - 5 of 23 swedish dissertations containing the word Gallus.

  2. 1. Behavioural aspects of conservation breeding : Red junglefowl (Gallus gallus) as a case study

    Author : Jennie Håkansson; Per Jensen; Elsbeth McPhee; Linköpings universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Behaviour; Conservation; Red junglefowl; Gallus gallus; Captivity; Ethology and behavioural ecology; Etologi och beteendeekologi;

    Abstract : Ett stort antal utrotningshotade djurarter ingår idag i bevarandeprogram världen över. Små populationer hålls då i skyddade miljöer, exempelvis i djurparker, och i många fall är målet att återintroducera djur till naturen. READ MORE

  4. 2. Pre- and post-copulatory sexual selection in the fowl, Gallus gallus

    Author : Hanne Løvlie; Sven Jakobsson; Tommaso Pizzari; Matthew J. G. Gage; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; cryptic female choice; Gallus; inbreeding avoidance; mate choice; sexual conflict; sexual selection; sperm competition; Ethology and behavioural ecology; Etologi och beteendeekologi; etologi; Ethology;

    Abstract : The evolutionary goal of individuals is reproduction and sexual selection favours traits improving reproductive success. When males invest less than females in offspring, males have potentially a higher reproductive rate than females. READ MORE

  5. 3. Social dominance and personality in male fowl (Gallus gallus domesticus)

    Author : Anna Favati; Olof Leimar; Charlie Cornwallis; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; behavioural syndromes; intra-sexual selection; phenotypic plasticity; social dominance; chicken; etologi; Ethology;

    Abstract : Individuals in social species commonly form dominance relationships among each other, andare often observed to differ in behaviour depending on their social status. However, whethersuch behavioural differences are a consequence of dominance position, or also a cause to it,remains unclear. READ MORE

  6. 4. Causes and Consequences of Impulsivity in Red Junglefowl

    Author : Laura Garnham; Hanne Lovlie; Per Jensen; Neeltje Boogert; Linköpings universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Behaviour; Cognition; Gallus gallus; Impulsivity; Inhibitory control; Red junglefowl;

    Abstract : Throughout the animal kingdom, animals vary in cognition (i.e., how they acquire, process, store, and act on environmental information). Yet, the causes and consequences of this variation are currently unclear. READ MORE

  7. 5. Colour Vision in Birds : Comparing behavioural thresholds and model predictions

    Author : Peter Olsson; Funktionell zoologi; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Gallus gallus; receptor noise; visual modelling; animal training; colour discrimination; colour constancy;

    Abstract : Birds use colour vision for many biologically relevant behaviours such as foraging and mate choice. Bird colour vision is mediated by four types of single cones, giving them an extra dimension of colour information compared to trichromatic humans. READ MORE