Sökning: "Swedish Yorkshire"

Visar resultat 16 - 20 av 20 uppsatser innehållade orden Swedish Yorkshire.

  1. 16. Prevalence of congenital defects in Swedish Hampshire, Landrace and Yorkshire pig breeds and opinions on their prevalence in Swedish commercial herds

    Master-uppsats, SLU/Dept. of Animal Breeding and Genetics

    Författare :Petra Mattsson; [2011]
    Nyckelord :congenital defects; health trait; registration accuracy; interview; breeding program;

    Sammanfattning : This study concerns congenital defects in pigs; umbilical and scrotal hernia, cryptorchidism, kyphosis, splay legs, anal atresia, intersexuality and congenital tremor. The aim was to describe and estimate the prevalence of these defects and estimate the heritability for the most frequent defects, scrotal hernia and cryptorchidism in purebred Swedish Hampshire, Landrace and Yorkshire populations. LÄS MER

  3. 17. Motivation for eating roughage in sows : as an indiction of hunger

    Master-uppsats, SLU/Dept. of Animal Nutrition and Management

    Författare :Tove Bergström; [2011]
    Nyckelord :Sow; silage; behaviour; motivation;

    Sammanfattning : Today’s feeding methods can determine the domestic pig’s abilities to fulfill basic behavioral needs, such as foraging, and the way in which pigs are feed is an important aspect. Feed does not only provide the energy and nutrients critical for survival, but feeding is also associated with a number of other factors contributing to well-being and reproduction. LÄS MER

  4. 18. Variation in back conformation and prevalence of ulcers on the shoulders : a cohort study of related Swedish Landrace and Landrace * Yorkshire sows

    L3-uppsats, SLU/Dept. of Animal Breeding and Genetics

    Författare :Hanna Bradley; [2005]
    Nyckelord :sows; vertebrae; shoulder blade; genetic inheritance; kyphosis; back conformation; body condition score;

    Sammanfattning : This study deals with two characters in pig conformation: status and health of the back and ulcers of the shoulder. The aim was to estimate prevalence and causes of variation for the characters focused. The effect of parity number, body condition score and reproductive stage was analysed. LÄS MER

  5. 19. The Sow Endosalpinx at different stages of the Oestrous cycle and at Anoestrus : studies on morphological changes and infiltration by cells of the immune system

    L3-uppsats, SLU/Dept. of Clinical Sciences

    Författare :Jatesada Jiwakanon; [2004]
    Nyckelord :Sow; oviduct; endosalpinx; morphology; immune cell; immunohisto-chemistry;

    Sammanfattning : The oviduct, together with its secretion, forms the environment in which gamete transport, sperm maturation, fertilization as well as early embryo transport and development occur. Morphological aspects, as well as immune cell distribution, have been described only to a limited extent regarding the pig oviduct. LÄS MER

  7. 20. Svansbitning hos gris relaterat till individuell tillväxt och ras

    L3-uppsats, SLU/Dept. of Animal Environment and Health

    Författare :Rebecka Westin; [2003]
    Nyckelord :svansbitning; tillväxt; ras; onormalt beteende; gris; svinproduktion;

    Sammanfattning : The purpose with this study was to find out if tailbiting pigs have a higher or lower daily weight gain than non-tailbiting pigs in the same pen before tailbitingbehaviour occur. The purpose was also to compare the occurrence of tailbiting between different breeds (Swedish Landrace, Yorkshire and Hampshire). LÄS MER