Essays about: "Andreas Calais"

Found 2 essays containing the words Andreas Calais.

  1. 1. Poor welfare or future investment? Different growth pattern of broiler breeders

    University essay from Linköpings universitet/Biologi; Linköpings universitet/Tekniska fakulteten

    Author : Andreas Calais; [2015]
    Keywords : Chicken; broiler breeder; welfare; stress; hunger; feed restriction; skip-a-day; morphometrics.;

    Abstract : The parental stock of meat type chickens (broiler breeders) are commonly feed restricted to decrease their rapid growth and the issues associated with it. Among these birds, chronic hunger and stress are the most prominent welfare concerns and mass heterogeneity within flocks a major management challenge. READ MORE

  2. 2. Is personality dependent of growth rate in red junglefowl (Gallus gallus)?

    University essay from Institutionen för fysik, kemi och biologi; Tekniska högskolan

    Author : Andreas Calais; [2013]
    Keywords : Behaviour; Chicken; Growth rate; Life-history traits; Personality; Red junglefowl;

    Abstract : Personality has been reported in a large variety of animal species, but it is not obvious why animals have personality. Variation in physiological traits, such as growth rate, should theoretically affect variation in behaviours and thus can explain why we observe variation in personalities. READ MORE