Suitable for all poultry, ducks and fowl, they have been designed as a 2mm diameter pellet and mix well into regular manufactured feeds or home made feeds. Produced under licence by Gro-Well Feeds Limited in Wiltshire, bringing over 35 years of feed production experience. All ingredients are natural and non-GM and the pellets are produced in one of the UK’s only low temperature pelleting facilities to avoid damaging the ingredients during production. Being a 100% natural herbal formula there is no egg withdrawal period. Verm-X is easy to use by adding to your birds feed for three consecutive days each month.