Essays about: "sire"

Showing result 11 - 15 of 21 essays containing the word sire.

  1. 11. Hierarki och hägnutnyttjande hos Asiatisk vildhund (Cuon alpinus) på Nordens Ark

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

    Author : Samuel Runelid; [2017]
    Keywords : Asiatisk vildhund; Coun alpinus; Nordens Ark; hierarki; hägnutnyttjande; beteende;

    Abstract : The Asiatic wild dog (Cuon alpinus), or Dhole, is a medium sized canid, and currently the most endangered carnivore in all of Asia. The species is divided into a northern and a southern group, with eleven subspecies, and populations of the species exist in scattered and broken up habitats across several Southeast Asian countries. READ MORE

  2. 12. Optimal användning av köttrassemin i svenska mjölkkobesättningar

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

    Author : Lowa Göransdotter; [2015]
    Keywords : köttraskorsning; köttrassemin; mjölkkor; nötkött; nötköttsproduktion; beef crossing; dairy cows; beef breeds; beef; beef production;

    Abstract : Inom den svenska mjölkbranschen är användandet av köttrassemin i mjölkkobesättningar ett hett diskussionsämne för tillfället. Mjölkpriset är lågt och det sänker priset på dräktiga kvigor. READ MORE

  3. 13. Low heritability-high variance controversy for dairy cattle disease traits

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

    Author : Maja Winther Iversen; [2014]
    Keywords : coefficient of variation; genetic variance; health traits; heritability; progeny groups;

    Abstract : Traits with low heritability estimates such as health and fertility are often assumed to have low genetic variance. However, the heritability is a ratio of additive genetic variance over all variance, and thus, the genetic variation of these traits may only be proportionally small. READ MORE

  4. 14. Variation in fattening pig exterior, gait and weight gain in commercial organic herds

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

    Author : Christina Eliasson; [2013]
    Keywords : organic; pig; exterior; gait; weigh gain; sire; breed;

    Abstract : Pigs in Swedish organic production systems have been shown to have more findings of arthritis at slaughter, compared to pigs in conventional pig production. With this in mind a study was performed, to primary, investigate variation in exterior, gait and weight gain between sire breeds and, secondly, to investigate variation between herds, season, gender, age and assessment occasion on these recordings. READ MORE

  5. 15. What traits make Swedish dairy cows survive?

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

    Author : Caroline Bengtsson; [2011]
    Keywords : dairy cow; longevity; breeding evaluation; production; conformation;

    Abstract : The ability of dairy cows to survive and the economic importance of this have been in-creasing in dairy cattle breeding lately. Increased longevity contribute to an increased pro-portion of cows that produce milk in more productive lactations and reduces the replace-ment costs together with a good health and fertility. READ MORE