Essays about: "age of first calving"

Showing result 16 - 20 of 28 essays containing the words age of first calving.

  1. 16. Hur kan man få ned dödligheten hos kalvarna i dikobesättningarna?

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

    Author : Jenny Höglund; [2010]
    Keywords : dikor; avel; hälsa; utfodring; dödlighet; kalvar; dikobesättningar; dikkoproducenter;

    Abstract : This work is a literature review along with interviews from nine suckler herds. How to reducecalf mortality in the cow herd is the focus of this paper. To get profitability of a herd, it isimportant that you get a live calf per cow and year. Good fertility of the cows thus is veryimportant. READ MORE

  2. 17. Optimal inkalvningsålder för rekryteringskvigor till mjölkproduktion : relaterat till data ifrån egen besättning

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

    Author : Rebecca Nilsson; [2009]
    Keywords : kviga; inkalvningsålder; tillväxt; juverutveckling;

    Abstract : Heifer’s growth may be divided into three main phases: calf period, puberty and pregnancy. When the heifers are about three months old a critical period begins. This period ends when the heifer reach puberty and have her first oestrus at around 9-12 months of age. READ MORE

  3. 18. Comparison between two sediment X-ray Fluorescence records of the Late Holocene from Disko Bugt, West Greenland : paleoclimatic and methodological implications,

    University essay from Lunds universitet/Geologiska institutionen

    Author : Oskar Jäckel; [2009]
    Keywords : Disko Bugt; X-ray fluorescence; mineral magnetism; magnetic susceptibility; paleomagnetism; bromine; productivity; Medieval Warm Period; Earth and Environmental Sciences;

    Abstract : Popular summary: X-raying the climate archive of Disko Bugt. Disko Bugt is a large bay in West Greenland north of the Arctic Circle. Because of the influence of the relatively warm ocean current coming from the south; the West Greenland Current, it has a mild climate despite its latitude. READ MORE

  4. 19. Kalvningsintervall hos svenska köttkor : finns det genetisk variation som kan användas i avelsarbetet?

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

    Author : Maria Lennartsson; [2008]
    Keywords : kalvningsintervall; köttkor; genetisk variation; Charolais; Hereford;

    Abstract : The Swedish beef cattle population is growing when the dairy cattle become fewer. The fertility of the beef cows is important for the profitability in beef cattle production. Today there is no genetic evaluation for female fertility in Swedish beef cows. READ MORE

  5. 20. Kokvigeproduktion baserad på köttraser : en fältstudie

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

    Author : Johanna Dahlström; [2007]
    Keywords : ko; kviga; köttras; nötkött; nötköttsproduktion;

    Abstract : Most of the beef production in Sweden has been integrated with milk production. Since the 1990:s, the number of dairy cows has decreased. A specialised beef production has developed in purpose to compensate for this decrease. The consumption of beef have increased in the last decade, but the Swedish production has no followed this trend. READ MORE