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    The effect of cold and the influence of shelter on the feed requirements of sheep

    Elvidge, D. G.
    Abstract
    Cold stress induced by mid winter shearing, can cause substantial liveweight losses in sheep. Increases in MR100 of 27-112% were elicited in shorn compared to woolly sheep, the extent of the increase depending on the year and the degree of exposure. In recently shorn sheep, housing can reduce the increase in MR by 20-23%. The measurement of liveweight change as an index of increased heat loss and feed requirement, was a better indicator of the total climatic effect in these trials, than was the measurement of plasma NEFA concentrations.
    Keywords
    mid-winter shearing; liveweight loss; liveweight; shearing; sheep; liveweight change; heat losses; feed requirements; plasma NEFA; shelter
    Fields of Research
    070203 Animal Management; 060806 Animal Physiological Ecology
    Date
    1973
    Type
    Thesis
    Access Rights
    Digital thesis can be viewed by current staff and students of Lincoln University only. If you are the author of this item, please contact us if you wish to discuss making the full text publicly available.
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    • Department of Agricultural Sciences [1567]
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