Essays about: "Broiler breeders"

Showing result 1 - 5 of 8 essays containing the words Broiler breeders.

  1. 1. The broiler production systems of Sweden and the United States : a comparison of the processing systems andhealth and welfare programs

    University essay from SLU/Department of Molecular Sciences

    Author : DenaMarie Bengtsson; [2021]
    Keywords : animal welfare; antibiotics; automation in poultry production; breeders; broilers; conventional broilers; feed; hatcheries; organic broilers; poultry production; poultry slaughter; poultry vaccines;

    Abstract : The aim of this thesis was to research broiler production in Sweden and the United States and to evaluate their processing systems as well as their health and welfare regulations. Sweden produces 110 million broilers a year and the United States produces 9 billion broilers a year. READ MORE

  3. 2. Feeding brown algae and brown algae extracts from Saccharina Latissima to Broiler breeders : effects on transfer of antibodies and nutrients from hen to egg

    University essay from SLU/Dept. of Animal Nutrition and Management

    Author : Stina Kling; [2021]
    Keywords : broiler; broiler breeder; brown algae; Saccharina Latissima; laminarin; prebiotic; transfer; antibodies; nutrients; iodine; chicken; egg quality;

    Abstract : Brown algae and extracts of algae have been proved to have prebiotic effects. Seaweeds grow very fast and underwater. This is good from a sustainable point of view since algae do not need fertilizers, freshwater or agricultural land for growth. Brown algae is rich in nutrients, vitamins and minerals, and has an especially high content of iodine. READ MORE

  4. 3. Skip-a-day feeding does not cause difference in liver lipid content in broiler breeders

    University essay from Linköpings universitet/Institutionen för fysik, kemi och biologi

    Author : Elin Sander; [2017]
    Keywords : Broiler breeders; dry weight; feed restriction; lipids; liver; skip-a-day;

    Abstract : There has long been evidence for increased lipids in the liver of chickens exposed to feed restriction, commonly used for production hens. Lipogenesis is an important part of the metabolism and storing of glucose, a source of energy. READ MORE

  5. 4. Physiological stress and behavioural differences in broiler breeder hens subjected to daily and 5:2 feed restriction regimens

    University essay from Linköpings universitet/Institutionen för fysik, kemi och biologi

    Author : Alexandra Johansson; [2016]
    Keywords : Broiler breeder; feed restriction; H L ratio; skip-a-day; stress; welfare;

    Abstract : Feed restriction in the parental stock of meat producing chickens, broiler breeders, is essential in order to decrease the high growth rate that they are genetically selected for. The feed restriction does however lead to chronic hunger and stress. READ MORE

  6. 5. Föräldradjur inom slaktkycklingindustrin : välfärdsproblem och försök till åtgärder

    University essay from SLU/Dept. of Biomedical Sciences and Veterinary Public Health

    Author : Madeleine Bichel; [2016]
    Keywords : broiler; slaktkyckling; föräldradjur; välfärdsproblem; foderrestriktioner; feed restrictions; broiler breeders; welfare problems;

    Abstract : Dagens slaktkycklingindustri har medfört flera välfärdsproblem för de avelsfåglar (föräldradjuren) som används för att producera slaktkycklingar och detta arbete syftar till att ge en överblick över dessa välfärdsproblem samt redogöra för eventuella försök till åtgärder som gjorts. De mest uppmärksammade problemen handlar om foderrestriktioner samt aggressiva beteenden vid parning. READ MORE