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Acute BVDV infection is usually mild and does not require treatment, and treatment of more severe cases is symptomatic and supportive. There is no known treatment for mucosal disease, and cases are often euthanased on welfare grounds.
 
Acute BVDV infection is usually mild and does not require treatment, and treatment of more severe cases is symptomatic and supportive. There is no known treatment for mucosal disease, and cases are often euthanased on welfare grounds.
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Control of BVD is practiced to a greater extent than treatment. There are several elements to control, including effective biosecurity, elimination of persistently infected animals, and vaccination strategies<sup>39</sup>.
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Control of BVD is practiced to a greater extent than treatment. The aim is eradication on individual farms but some countries, for example in Scandinavia, have achieved national eradication. There are several elements to control, including effective biosecurity, elimination of persistently infected animals, and vaccination strategies<sup>39</sup>.
    
Biosecurity measures can include the usually hygiene precautions taken on farms, by visitors and during veterinary attention, as well as scrutiny of bought-in livestock and biologicals. Replacement cattle should be tested for persistent infection and quarantined on-farm in case of acute infections before entering the herd. If the resident herd is BVD-vaccinated, new animals should be brought up to date before joining the cohort. Embryo donors should be tested for persistent infection before transfer occurs, and purchase of in-calf heifers should be avoided as their offspring may be persistently infected. BVDV is shed in semen, so breeding bulls and semen for artificial insemination should be tested before coming into contact with cows.
 
Biosecurity measures can include the usually hygiene precautions taken on farms, by visitors and during veterinary attention, as well as scrutiny of bought-in livestock and biologicals. Replacement cattle should be tested for persistent infection and quarantined on-farm in case of acute infections before entering the herd. If the resident herd is BVD-vaccinated, new animals should be brought up to date before joining the cohort. Embryo donors should be tested for persistent infection before transfer occurs, and purchase of in-calf heifers should be avoided as their offspring may be persistently infected. BVDV is shed in semen, so breeding bulls and semen for artificial insemination should be tested before coming into contact with cows.
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