Essays about: "estimated breeding value"

Showing result 21 - 25 of 26 essays containing the words estimated breeding value.

  1. 21. 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

  3. 22. 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

  4. 23. 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

  5. 24. Predicting Swedish breeding values for Danish dairy bulls

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

    Author : Anja Johansson; [2005]
    Keywords : dairy cattle; selection index; multiple regression; conversion equation; genetic evaluation;

    Abstract : Progress in dairy cattle breeding is facilitated by good methods to calculate estimated breeding value (EBV) from several countries. It is now possible to exchange genetic material across countries. READ MORE

  6. 25. Produktion av finfibrig ull genom avel och utfodring : inkorsning av merino i sveafårsbesättningar

    University essay from SLU/Dept. of Agricultural Research for Northern Sweden

    Author : Carin Bergström; [2005]
    Keywords : lamm; merino; svea; ullkvalitet; tillväxt; korsningsavel; utfodring;

    Abstract : To produce fine fibre wool as a complement to lamb meat production, Merino and Svea sheep are currently being crossbred in the county of Jämtland. The aim of this study was to evaluate growth and wool quality of the first crossbred lambs. In addition, a literature study about nutritional effects on wool production has been carried out. READ MORE