Single or double vaccination schedules in sheep against experimental infection with Salmonella typhimurium or Salmonella bovismorbificans

Authors: MacFarlane DJ, Cooper BS
Publication: New Zealand Veterinary Journal, Volume 22, Issue 6, pp 95-99, Jun 1974
Publisher: Taylor and Francis

Animal type: Livestock, Production animal, Ruminant, Sheep
Subject Terms: Animal remedies/veterinary medicines, Bacterial, Biosecurity, Disease control/eradication, Epidemiology, Alimentary system/gastroenterology, Immune system/immunology, Notifiable organisms/exotic disease, Disease/defect, Infectious disease, Vaccination, Zoonosis, Public health
Article class: Scientific Article

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Abstract: Outbreaks of ovine salmonellosis in New Zealand are more common during the period January to May and losses arising from either the explosive form of outbreak or protracted flock infection often warrant the immediate use of vaccine. The significant protection afforded by inactivated bivalent vaccines has been demonstrated in both experimental and field trials (Beckett, 1967; Cooper, 1967; Wallace and Murch, 1967; Rudge et al 1968; Davis, 1969). Before recommendations could be made for the most economical vaccination schedule, it was necessary to determine whether the protection afforded by two doses of vaccine (Rudge et al 1968) was superior to that afforded by one…

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