Essays about: "Swedish Yorkshire"

Showing result 16 - 20 of 20 essays containing the words 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

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

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

    Abstract : 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. READ MORE

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

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

    Author : Tove Bergström; [2011]
    Keywords : Sow; silage; behaviour; motivation;

    Abstract : 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. READ MORE

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

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

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

    Abstract : 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. READ MORE

  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

    University essay from SLU/Dept. of Clinical Sciences

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

    Abstract : 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. READ MORE

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

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

    Author : Rebecka Westin; [2003]
    Keywords : svansbitning; tillväxt; ras; onormalt beteende; gris; svinproduktion;

    Abstract : 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). READ MORE