This invention relates to an in vitro method of improving the viability of a labile bioactive substance on administration to a hostile environment. The method comprises forming in vitro a mixture of the labile bioactive substance and mammalian colostrum.

The present invention provides a method of treatment or prophylaxis of enteric disease caused by Gram negative bacteria. The method includes the step of administering a vaccine or a hyperimmune material raised against said vaccine to an individual. The vaccine comprises one or more cell wall antigens r...

This invention relates to a bioactive composition comprising: (d) pH sensitive bioactive agent (e) an edible carboxylic acid containing moiety and (f) an edible alkalising moiety, wherein the proportion of said moieties and active agent provide pH control such that (i) when 400mg of said composition is added to 20 m...

The invention relates to a method of improving the viability of a labile bioactive substance on administration to a hostile environment, the method comprising forming a mixture of the bioactive substance and mammalian colostrum and also a composition for administration of a labile bioactive substance the composition...