Essays about: "production hen"

Showing result 1 - 5 of 33 essays containing the words production hen.

  1. 1. Uppväxtmiljöns påverkan på den unga värphönans stressnivå

    University essay from SLU/Dept. of Animal Environment and Health

    Author : Agnes Wijk; [2024]
    Keywords : värphöns; uppväxtmiljö; stress; beteende; H L kvot; multifaktoriellt beteendetest;

    Abstract : Kronisk stress inom äggproduktionen resulterar i stora negativa konsekvenser på djurvälfärd och produktion och kan bland annat uppstå när hönorna ej tillåts ge utlopp för deras beteendebehov. Denna studie utfördes för att bidra med information kring hur uppväxtmiljön bör utformas för att minska stressnivån hos kycklingarna. READ MORE

  3. 2. Feeding Live or Dried Black Soldier Fly Larvae (Hermetia illucens) to laying hens – Effects on Immune Traits, Egg Quality, Feather Condition, Body and Organ Weights

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

    Author : Adnan Aslam; [2023]
    Keywords : Black soldier fly; live larvae; dried larvae; immune response; egg quality; body weight; feather condition scoring;

    Abstract : Due to increasing prices and potential scarcity of soybean meal (SBM), there is growing demand for alternative and sustainable protein sources in poultry production. Black soldier fly larvae (BSFL) have proven to be a suitable alternative based on nutritional value and sustainable production. READ MORE

  4. 3. Short- and Long-Term Effects of Filial Imprinting on a Model Hen on the Emotional State of White Leghorn Chicks (Gallus gallus domesticus)

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

    Author : Lovisa Åkerstedt; [2023]
    Keywords : chick; cognition; emotional state; fear; filial imprinting; model hen; White Leghorn; Gallus gallus domesticus;

    Abstract : In layer hen commercial production systems, chicks are not raised by hens and do therefore not receive any maternal care. In the wild, after hatching, chicks undergo filial imprinting where they create a social bond with a stimulus in their surrounding environment, usually the mother hen. READ MORE

  5. 4. Avliva eller låta leva? : en etisk diskussion om att väga sällskapsdjurs livskvalité och lidande

    University essay from SLU/Dept. of Animal Environment and Health

    Author : Malin Wolters; [2022]
    Keywords : lidande; livskvalité; avlivning; etik; veterinär; djurägare;

    Abstract : Denna studie har tre syften. Det första är att undersöka hur djurägare och veterinärer ser på lidande, livskvalité och beslut om avlivning av sällskapsdjur. READ MORE

  6. 5. 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