Search for dissertations about: "Gallus gallus domesticus"
Showing result 1 - 5 of 6 swedish dissertations containing the words Gallus gallus domesticus.
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1. Pre- and post-copulatory sexual selection in the fowl, Gallus gallus
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
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2. Social dominance and personality in male fowl (Gallus gallus domesticus)
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
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3. The relationship between personality and social dominance in the domestic fowl – a critical perspective
Abstract : Social dominance relationships are formed within numerous animal species and reduce costly fights over resources. Dominant individuals often enjoy greater access to important resources such as food and mating partners, and are generally more aggressive, bold, active and explorative compared to subdominant individuals. READ MORE
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4. Preparing for life : effects of environmental choice and change during rearing on adaptability in laying hens
Abstract : The importance of the early environment for later animal behaviour, health and welfare is well known. Hens (Gallus gallus domesticus) kept for egg production are exposed to various challenges and opportunities during their life time, such as relocation from a rearing to a laying facility or access to free range. READ MORE
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5. Avian IgY antibody : In vitro and in vivo
Abstract : Immunoglobulin Y (IgY) is the major antibody found in eggs from chicken (Gallus domesticus). IgY can be used as an alternative to mammalian antibodies normally used in research, and its use in immunotherapy has recently been proposed. READ MORE