Bvd Bumper, The problems begin when a pregnant cow or heifer is infected with the BVD virus between 42-125 days of gestation.

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BVD - A National Eradication Programme 2012

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PDF) Bovine viral diarrhoea virus (BVDV) infection in pregnant

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PDF) Bovine viral diarrhoea virus (BVDV) infection in pregnant

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BVD Impacts — BVDFree New Zealand

BVD Impacts — BVDFree New Zealand