Essays about: "Swedish Yorkshire"

Showing result 1 - 5 of 18 essays containing the words Swedish Yorkshire.

  1. 1. Gyltors anpassningsförmåga till nya miljöer : i relation till ras och social miljö

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

    Author : Ida Hellsten; [2020]
    Keywords : gris; gylta; social behandling; genotyp; isolering;

    Abstract : Since 1988, Sweden has had legal requirements to keep gestation sows group-housed. In 2012 there was a switch in the Swedish breeding material ant the Dutch Yorkshire (DY) was introduced to the Swedish producers, a breed that has been kept in individual stalls in comparison to the Swedish breeds, like Swedish Yorkshire (SY) that DY replaced. READ MORE

  2. 2. Stress and meat quality in two lines of the Yorkshire pig breed: Swedish and Dutch

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

    Author : Andreas Andersson; [2019]
    Keywords : Swedish Yorkshire; Dutch Yorkshire; stress; meat quality; behaviour test; novel Arena test; startle test; lactate; temperature and pH;

    Abstract : Pigs are exposed to several different environmental stressors in the modern production from weaning, mixing, crowding etc. Preslaughter stressors may result in meat quality problems, such as the formation of pale, soft and exudative meat as well as the formation of dark, firm and dry meat, which makes the meat to be unattractive. READ MORE

  3. 3. Effekt av raslinje och social miljö under di-perioden på smågrisars hälsa och tillväxt fram till 9 veckors ålder

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

    Author : Anna Olsson; [2019]
    Keywords : svensk Yorkshire; nederländsk Yorkshire; social träning; smågris; tillväxt; dödlighet; hälsa;

    Abstract : Nederländsk Yorkshire (Z-linjen; ZY) är vanligt förekommande i svensk grispro-duktion idag eftersom aveln med Svensk Yorkshire (SY) lades ner 2012. I den tidi-gare svenska aveln, har grisarna indirekt selekterats för att fungera i grupphållnings-system eftersom svensk djurskyddslag skärptes i slutet av 1980-talet med att suggor ska hållas i grupp under dräktighet. READ MORE

  4. 4. Difference in general behaviour and social interactions of young Yorkshire gilts in different social environments

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

    Author : Linda Marie Hannius; [2019]
    Keywords : Swedish Yorkshire; Dutch Yorkshire; behaviour; social interactions; social environment;

    Abstract : In Sweden, there was a switch of breeding material for pigs in year 2012 where Swedish producers were introduced to the Dutch Yorkshire (DY) instead of the Swedish Yorkshire (SY). Gestating sows have, in Sweden, been kept in group housing since the 1980s while DY gilts on the contrary have been kept in individual stalls. READ MORE

  5. 5. Skillnader i dibeteende mellan raserna Svensk och Holländsk Yorkshire - i digivningsboxar där smågrisarna har tillgång till suggan och smågrisarna i grannboxen

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

    Author : Isabel Lundahl; [2019]
    Keywords : gris; griskultingar; dibeteende; korsdi; Yorkshire;

    Abstract : In Sweden we produced 2,6 million slaughter pigs last year (2018). In 2012, the Swedish Yorkshire was exchanged with Dutch Yorkshire in Sweden because of economic reasons and the effective breeding development within the Dutch breed. However, Dutch Yorkshire has through breeding been adapted to be kept “fixed” through farrowing and lactation. READ MORE