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Expand What is DMF Contamination?What is DMF Contamination?
Expand Calculating the Merino DMFR RatingCalculating the Merino DMFR Rating
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Expand Effect of Age, Sex, Crutching and Shearing of the Sheep on the DMFR RatingEffect of Age, Sex, Crutching and Shearing of the Sheep on the DMFR Rating
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Expand Fibres from Other Animals?Fibres from Other Animals?
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Why is a DMFR Declaration being used in preference to an objective Dark and Medullated Fibre Test?
If a Dark and Medullated Fibre Test is done on a lot of wool, is a DMFR still required to be calculated?
When should a Dark and Medullated Fibre Test be used?
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Relationship to the Dark an... > When should a Dark and Medullated Fibre Test be used?

When should a Dark and Medullated Fibre Test be used?

An owner may choose to pay for a DMF Test in circumstances when a mob of sheep have come in contact with exotics as the results may indicate the degree of contamination from this contact.  The DMF Test should not be used to measure isolated pigmentation and urine stain as the core sample is not representative.