[derbymeg]

seems to come in large amounts

I only have 6 hens!

any one or two or three wish to buy and split / share?

[dizzylizzie]

Hi, small 60g tubs are readily available for people with a few hens like you. Here is a link to just one of them
http://www.animalmedicationdirect.co.uk/flubenvet-1-small-flock-poultry-wormer-60g-pr-5789.html

[karlooben]

as far as i know it will last quite some time as long as it doesnt get damp have a look on the date on the tub .