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Showing result 21 - 25 of 33 essays matching the above criteria.

  1. 21. Ljusprogram för kor

    University essay from SLU/Dept. of Animal Nutrition and Management

    Author : Emma Duvelid; [2012]
    Keywords : Ljusprogram; Mjölkkor; Mjölkproduktion; Skötsel; Hormoner;

    Abstract : Sammanfattning Syftet med denna litteraturstudie är att kartlägga hur ljus upplevs och påverkar kor i olika livsstadier. I dagsläget finns det företag som har rekommendationer för ljusanvändning ute på marknaden, dock behöver forskningsunderlaget kompletteras. READ MORE

  3. 22. Betydelsen av utfodring under sintiden, sintidens längd och kalvningsintervallet med avseende på kons hälsa under kommande laktation

    University essay from SLU/Dept. of Animal Nutrition and Management

    Author : Birgersson Matilda; [2011]
    Keywords : sinkor; löpmagsförskjutning; vomacidos; leverförfettning; acetonemi;

    Abstract : .... READ MORE

  4. 23. Methane production from dairy cows : relations between enteric production and production from faeces and urine

    University essay from SLU/Dept. of Animal Nutrition and Management

    Author : Agnes Willén; [2011]
    Keywords : methane emission; enteric; faeces; urine; dairy cow; feed regime; peas; legumes; grass silage;

    Abstract : Methane (CH4) is a greenhouse gas (GHG) that contributes to the global warming. One of the largest sources of methane is livestock, preferably ruminants which alone counted for 30% of the total agricultural anthropogenic methane emissions in the year of 2000. READ MORE

  5. 24. Quantification of sleep in dairy cows in three different stages of lactation

    University essay from SLU/Dept. of Animal Nutrition and Management

    Author : Emma Nilsson; [2011]
    Keywords : Sleep; EEG; Cow management; Transition period;

    Abstract : The aim of this project was to quantify the total sleep time in modern dairy cows during24-hour periods and to investigate whether the total amount of sleep as well as timespent in different sleep stages varies between the dry period, early- and peak lactation.The distribution of sleep time between night and day was also examined. READ MORE

  6. 25. Gruppering av sinkor i stora besättningar

    University essay from SLU/Rural Buildings and Animal Husbandry (until 121231)

    Author : Karin Kinander; Madelene Johansson; [2009]
    Keywords : gruppering; sinkor; sinläggning; sinperiod;

    Abstract : The dry period is usually 6-8 weeks and in this period the basis of the performance in the following lactation is settled. In an average herd about 15% of the cows are dry (Marcussen & Krog Laursen, 2008). READ MORE