Essays about: "avelsvärdering"

Showing result 21 - 25 of 25 essays containing the word avelsvärdering.

  1. 21. Genetic correlation between feet and leg type traits and claw health in Swedish dairy cattle

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

    Author : Emelie Uggla; [2008]
    Keywords : genetic variation; claw diseases; dairy cattle;

    Abstract : With the rapid increase in herd size over the last decade, it is imperative in modern dairy cattle farming to work for good claw health, both from an economic and animal welfare point of view. Claw health is maintained by managemental and genetical pre-cautions. Poor claw health may result in lameness (Murray et al,. 1996). READ MORE

  3. 22. Mätegenskaper för fruktsamhet och modersegenskaper i fåraveln

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

    Author : Anna Skogar; [2008]
    Keywords : får; lammproduktion; avel; mätegenskaper; fruktsamhet; modersegenskaper; arvbarhet; fårkontrollen;

    Abstract : The aim of this literature review was to suggest suitable index traits to use in the Swedish Sheep Recording Scheme for fertility and maternal traits. Since fertility and some of the maternal traits are not normally distributed advanced methodology is needed to calculate genetic parameters. READ MORE

  4. 23. Analys av juverhälsodata från kärnbesättningen Viken

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

    Author : Emelie Tufvesson; [2007]
    Keywords : mjölkkor; kärnbesättning; juverhälsa; celltal; testdagsmodell; avelsvärdering;

    Abstract : Nötcenter Viken is a Swedish nucleus herd for dairy cattle. The goal for the farm is to select suitable mothers for the next top generation of bulls. Today the selection for udder health is based on a pedigree index and phenotype data. The pedigree index is based on the cow's father and grandfathers breeding values. READ MORE

  5. 24. Samband mellan galtars sociala beteende, ätbeteende och resultat i stationsprövning

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

    Author : Annelie Andersson; [2006]
    Keywords : svin; avelsvärdering; socialt beteende; ätbeteende; tillväxthastighet;

    Abstract : A study on the behavioural patterns of growing boars is presented. The study was preformed at Quality Genetics' boar testing station Månseryd in Sweden. The boars were purebred Yorkshire, Hampshire or Landrace, born in nine different nucleus farms. The study is based on two batches of boars, with 63 and 69 boars respectively. READ MORE

  6. 25. Den svenska varmblodiga hästens avelsmål : en enkätundersökning och analys av genetiska trender

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

    Author : Lina Jönsson; [2006]
    Keywords : svenska varmblodiga hästen; avelsmål; genetiska trender;

    Abstract : As the quality of internationally competing horses is increasing, a debate concerning the breeding goal of the Swedish Warmblood horse has arisen. Some people claim that the breeding goal should be divided into two separate goals in the future; one for show jumping horses and another one for dressage horses. READ MORE