One-day-of-age pheasant chicks were treated orally with the competitive exclusion product Broilact® in three replicate trials. The following day the treated chicks and untreated control chicks were ...

To use the advantages of both the competitive exclusion (CE) technique and immunization with a live Salmonella vaccine, the combination of these methods was studied. Specific-pathogen-free chickens ...

Bacteria and plants are able to form population waves as a result of their consumer behaviour and propagation. A soliton-like interpenetration of colliding population waves was assumed but not proved ...