From my university courses in veterinary medicine I remember them telling us about a vaccine against actual ticks. Particularly the proteins lining the tick gut

From my university courses in veterinary medicine I remember them telling us about a vaccine against actual ticks. Particularly the proteins lining the tick guts. Normally those would not enter the blood stream and so no antibodies would be generated against these. Anyway, dogs with this vaccines would get bitten by ticks, and the ticks would eventually die... Also, why post an article that isn't even available on scihub?