THE ROLE OF MATERNALLY DERIVED ANTIBODIES, AGE AND OTHER FACTORS ON VACCINAL RESPONSE (THE PERCENTAGE GAME)
D.G.S. Burch

Abstract
(Spopnsor's Paper) The economic importance of Mycoplasma hyopneumoniae infection and its control are examined in depth by the author. The natural immunological reaction of the pig is described, as is the subsequent influence of vaccines in promoting enhanced disease resistance. The effects of such vaccines on disease progress and the various factors affecting their efficacy are also highlighted, together with cogent pointers as to their best use.

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