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Do newborn lambs need to be vaccinated?

Newborn lambs must eat enough breast milk and take heat preservation measures. The immunization program is as follows: lambs aged 65 and 438 0.5 ~ 20 days are subcutaneously injected with the triple vaccine of sheep rapid epidemic disease, sheep enterotoxemia and sudden gangrene; sheep foot-and-mouth disease vaccine is subcutaneously injected at the age of 30 ~ 40 days; attenuated vaccine of sheep pox chicken embryo is subcutaneously injected at the age of 40 ~ 50 days; live aluminum hydroxide vaccine of goat contagious pleuropneumonia is injected intramuscularly at the age of 50 ~ 60 days; and attenuated vaccine of oral ulcer is injected at the age of 60 ~ 70 days.