Essays about: "Dutch Yorkshire"
Showing result 6 - 10 of 10 essays containing the words Dutch Yorkshire.
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6. 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 GeneticsAbstract : 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
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7. Difference in general behaviour and social interactions of young Yorkshire gilts in different social environments
University essay from SLU/Dept. of Animal Environment and HealthAbstract : 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
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8. 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 HealthAbstract : 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
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9. Difference in health and behaviour between two different pig line crosses
University essay from SLU/Dept. of Animal Breeding and GeneticsAbstract : 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
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10. Gilts response in behaviour tests : investigation of differences between two genotypes
University essay from SLU/Dept. of Animal Breeding and GeneticsAbstract : When the breeding with the Swedish Yorkshire (SY) breed ended in 2012, the Dutch Yorkshire (ZY) breed was introduced to Swedish pig producers. Swedish farmers have noticed behavioural differences between SY sows and ZY sows. Different breeding goals and selection environment for the two breeds (different production systems, e.g. READ MORE