Essays about: "broiler"

Showing result 21 - 25 of 64 essays containing the word broiler.

  1. 21. Perching behaviour and disturbance during sleep in three hybrids of broiler chicken (Gallus gallus domesticus)

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

    Author : Maja Wedin; [2016]
    Keywords : broiler chicken; perching; sleeping behaviour; welfare; hybrids; organic production;

    Abstract : The aim of broiler chicken production is to breed chickens with high growth rate and muscle/bone ratio. However, this selection has affected the physiology of the broilers and as a result broilers display a physique that inhibits them in executing behaviours that they are motivated to perform. READ MORE

  3. 22. Comparison of behaviour and health of two broiler hybrids with different growth rates

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

    Author : Sofia Wilhelmsson; [2016]
    Keywords : Broiler; chicken; welfare; health; behaviour; gait; fear; perching; dustbathing;

    Abstract : Until recently fast growing broiler hybrids have been used exclusively in both conventional and organic broiler production in Sweden. This study aimed to quantify differences in behaviour and health between a fast growing hybrid (Ross 308) and a slower growing hybrid (Rowan Ranger). READ MORE

  4. 23. Individuell variation avseende levandevikt hos långsamväxande slaktkycklingar : påverkan på klassificeringen

    University essay from SLU/Dept. of Biosystems and Technology (from 130101)

    Author : Karin Holstensson; [2016]
    Keywords : broiler; ekologiskt; hybrid; KRAV; levandevikt; långsamväxande; Rowan Ranger; slaktkyckling; slaktvikt;

    Abstract : Detta arbete beskriver variation i levande- och slaktvikt för kycklinghybriden Rowan Ranger (RR). Jag har studerat medelvikten och variationen inom hybriden genom att väga stickprov ur ett antal flockar. READ MORE

  5. 24. Djurhälsa hos snabb- och långsamväxande hybrider i ekologisk slaktkycklingproduktion

    University essay from SLU/Dept. of Animal Breeding and Genetics

    Author : Stefanie Macklin; [2016]
    Keywords : Gallus gallus domesticus; sjukdom; djurvälfärd; benproblem; extensiv; tillväxt;

    Abstract : Efterfrågan av ekologiskt slaktkycklingkött ökar i världen på grund av att konsumenter värdesätter visionen om en bättre djurvälfärd, men de ekologiska slaktkycklingproducenterna är få. Det finns problematik i regelverket kring ekologisk slaktkycklingproduktion som medför svårigheter i att nå en ekonomiskt lönsam och etiskt försvarbar produktion. READ MORE

  6. 25. Effects on domestication and feeding on the avian melanocortin system

    University essay from Linköpings universitet/Biologi

    Author : Malin Jonsson; [2016]
    Keywords : Feed-restriction; hunger; arcuate nucleus; gene expression; avian melanocortin system; domestication; broiler; Red Junglefowl; stress;

    Abstract : Domestication in chickens has made feed-restriction a necessity if broiler breeder hens should reach sexual maturity and be fertile. This is claimed to cause chronic hunger. READ MORE