How Quickly Does Albendazole Work?

[over easy]

the two miss pepperpots we have are pretty much bald right from the vent right thru to the breast area, they seem perfectly fine and laying. they have been flea and wormed. is this the breed that does this this or is it possible its a bad moult though its been a few weeks now

[Egluntyne]

Three of mine, who arrived at the same time, are moulting in exactly this manner at the moment. They look rather alarming from behind, as if they are wearing no knickers. The feathers are beginning to grow back.