Studies on The Role Of Vaccines In The Control Of Paratyphoid Infection In Chickens

To study the effect of vaccination in controlling para- typhoid infection in chickens 3 monov a’le rrt oil adjuvant vacc i.re s of §.typhiElUri.up,§..stagley and §..Sl1t6Fiti9j.s, as well as, atrivalent oil adjuvant vaccine consisting of these Salruonellaserotypes were prepared!The monovalent oil adjuvant vacc i.ne s of g.:t’l.£-14PuriUfl and2.~tanley could significantly protect chick6ns when chal16ngedagainst ,§”m.himui”ium. or §.Q?ta~;z.\l but not against Soenterit:’d:.,§.enteritid~’3 oil adjuv~l.llt vaccine could signific arrtiLy protectchickens against challenge with Soteritis only.The trivalent Ba Imone Ll.a oil adjuvant vaccine could significantly pro tect chickens against challenge Vd th §. typhir.mriun,§.~ stanley ,§~ent6ritidi s or against challenge VJith a rai.xtru reof these th:r:ee s al.mone Ll.a serotypes. Studying the effect of monovalent ,as well as 9 triv31611toil adjuvant Salmonella vaccines on the body weight of chickc ..it waS found that, vaccination had no effect on the body .