Facing post-weaning diarrhoeas

Post-weaning diarrhoea is a common problem in swine farms. Which farm has never experienced it? A combination of different factors predisposes the pig to this type of condition but what solutions are available in a post-antibiotic and zinc oxide world? Weaning puts pigs in a different scenario: no protection from their mother, neither physically nor psychologically; nobody calls them to eat, food is less digestible as it includes raw vegetable materials, it is often presented in a dry form and