Essays about: "sire"

Showing result 6 - 10 of 21 essays containing the word sire.

  1. 6. Changes in bull breeding during the years : a comparison between 1950 and 1980/90 century

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

    Author : Moa Hagelberg; [2020]
    Keywords : Bulls; breeding; SNP; traits; decades; production; health; SLB; Holstein; SRB;

    Abstract : Breeding on bulls have occurred during many decades in the same way as it has for dairy cattle. Both the sire and dams that are being used during the selection breeding have been tested through genomic selection to see their value for each trait, for the dams this has been started more recently than for the bulls. READ MORE

  3. 7. Difference in health and behaviour between two different pig line crosses

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

    Author : Jessica Vahlberg; [2019]
    Keywords : Swedish Yorkshire; Dutch Yorkshire; social interactions; behaviour; health;

    Abstract : The most common housing system within the European Union for gestating sows and gilts have for many years been individual stalls while Sweden on the contrary has a long history, since the end of the 1980s, of group housing. The switch of breeding material in the beginning of the 2000ies in Sweden resulted in the end of breeding of the Swedish Yorkshire (SY), and instead the Dutch Yorkshire (ZY) was introduced to Swedish pig producers. READ MORE

  4. 8. The inheritance of hunting traits in German hunting terriers

    University essay from SLU/Dept. of Biomedical Sciences and Veterinary Public Health

    Author : Amelie Werneyer; [2018]
    Keywords : heritability; hunting dogs; terrier; hunting performance; behavior;

    Abstract : A convenient method for efficient and successful hunting – in accordance with the animal protection laws – is the service provided by hunting dogs. Approximately 12 000 – 18 000 years ago humans domesticated dogs for hunting purposes (Braastad & Bakken, 2002; Sablin & Khlopachev, 2002; Germonpré et al. 2008). READ MORE

  5. 9. Kokvigans strategiska värden : en intervjustudie

    University essay from SLU/Dept. of People and Society

    Author : Frida Ljung; [2018]
    Keywords : kokviga; strategi; värde; flexibilitet; nötkött; business model canvas; BMC;

    Abstract : Denna studie är gjord med anledning av den pris- och utbudsvariation som har ägt rum de senaste åren inom nötköttsproduktionen. Efter några gyllene år med rekordhöga priser och en ökande konsumentmedvetenhet och efterfrågan på Svenskt kött har vi upplevt en brist av slaktdjur delvis beroende på att producenter väljer att spara kvigor till rekrytering. READ MORE

  6. 10. Calving ease and stillbirth in dairy herds using beef and dairy breed bulls

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

    Author : Patricia Gullstrand; [2017]
    Keywords : crossbreeding; dairy; beef; calving ease; stillbirth;

    Abstract : The aim of this study was to evaluate the effect of different sire breeds on calving traits when used in dairy herds. Records from 1,423,851 calvings from 1990-2016 were collected from the Swedish milk recording scheme from Swedish Holstein, Red dairy cattle, Hereford, Charolais, Aberdeen Angus, Limousin and Simmental sires mated with Swedish Holstein, Red dairy cattle or crossbred dams. READ MORE