Vision 7 /Somnus -10ds For the use in healthy cattle as an aid in preventing diseases caused by Clostridium chauvoei, septicum, novyisepticum and Cl. Perfringens C and D plus haemophilus somnus. Inject 2 ml subcutaneously or intramuscularly. Repeat dose in 3 to 4 weeks. Calves should be revaccinated at weaning or at 4 to 6 months of age.