VPA 211: General Veterinary Parasitology and Helminthology (3+1)

IMMUNOPROPHYLAXIS

• The vaccination consists of two doses of 1000 x-ray irradiated larvae each.
• The vaccination done at two months of age.
• The interval between first and second dose is one month.
• The animal must be prevented from exposure to infection until two weeks after 2nd dose.
• Reinfection is necessary after two weeks for maintaining of immunity.
• Dictol is a vaccine against cattle lungworms containing irradiated larvae.
• Difil is a vaccine against sheep lung worms containing irradiated larvae.