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Effects of feeding high molybdenum hay to mature beef steers

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dc.contributor.author Quinton, Dee A.
dc.contributor.author Mir, Zahiruddin
dc.contributor.author Mir, Priya S.
dc.contributor.author Saunders, H.
dc.contributor.author van Ryswyk, A. L.
dc.contributor.author Munro, K.
dc.date.accessioned 2009-07-22T22:55:46Z
dc.date.available 2009-07-22T22:55:46Z
dc.date.issued 1993
dc.identifier.uri http://hdl.handle.net/2429/11127
dc.description.abstract A 3X3 latin square design experiment was used to study the effects of feeding high molybdenum (Mo) hay, from Highland Valley Copper, to three cannulated Hereford steers. Supplement treatments were; no supplement, copper oxide needles (CuOn) and copper oxide bolus. Feed intakes, mineral content of feed, dry matter and nutrient digestibilities, supplement disappearance from the rumen and copper (Cu) concentrations in the blood were monitored. Hay from Highland Valley Copper was high Cu (19.09 ppm), high Mo (49.68 ppm) feed. Severe cases of molybdenosis were expected but did not develop in cattle. Feeding harvested sun-cured high Mo forage lessens the hazard of molybdenosis. The Cu supplements had little or no effect on dry matter or nutrient digestibilities nor on rumen metabolism. Cu concentrations in the blood were increased. Research grazing fresh forage is required before making conclusive recommendations for using mine waste dumps and tailings ponds for forage production. en
dc.format.extent 694737 bytes
dc.format.mimetype application/pdf
dc.language.iso eng en
dc.relation.ispartofseries British Columbia Mine Reclamation Symposium 1993 en
dc.title Effects of feeding high molybdenum hay to mature beef steers en
dc.type text en
dc.type.text conference Paper en
dc.description.affiliation Applied Science, Faculty of en
dc.description.reviewstatus en
dc.rights.copyright British Columbia Technical and Research Committee on Reclamation en

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