Abuelzein, Eltayb M Natural in utero infection of neonatal calves with bovine viral diarrhoea virus on a large dairy farm in Saudi Arabia. [electronic resource] - The Onderstepoort journal of veterinary research Nov 2011 - 318 p. digital Publication Type: Journal Article ISSN: 2219-0635 Standard No.: 10.4102/ojvr.v78i1.318 doi Subjects--Topical Terms: AnimalsAnimals, NewbornAntibodies, Viral--analysisBovine Virus Diarrhea-Mucosal Disease--epidemiologyCattleColostrum--immunologyDairyingDiarrhea Viruses, Bovine Viral--isolation & purificationFemaleInfectious Disease Transmission, Vertical--veterinaryPregnancySaudi Arabia--epidemiology