“…Reports of prenatal infection by rabies virus usually follow experimental infection of dam where by unnatural large inoculums may enter circulatory system (Constantine, 1986). However the possible routes of RABV transmission among bats has include aerosol transmission, ingestion of virus-infected milk from an infected dam and transplacental infection (Smith et al, 1963;Constantine et al, 1968a ;Allendorf et al, 2011). It was suggested that occurrence of rabies in calves less than one year of age may be due to insufficient colostral immunity or because the animals had not received a rabies vaccine or the appropriate booster (Lemos et al, 2001;Mori et al, 2004;Lima et al, 2005).…”