Morning all.
He said that you would use a lot less as the bulk has been removed out of the feed so the chickens dont have to fill up so much which gives problems, and also less poo. Not to sure on that.
Frankly what your breeder said re bulk is just plain rubbish. Chx need to eat a low energy dense diet as they are grazing and foraging animals, as 8doubles has said. The bulk is a major factor in controlling energy in take and maintaining a healthy mental state. If their feed is too energy dense they will have a tendancy to over eat as the bulk is missing and hence become unhealthy. Chx don't have to look fat to have conditions such as fatty liver syndrome. If you do feed such food you need to strictly feed a ration and not have it ad lib. For this reason the oft quoted advice to not over indulging in treats should be discouraged.
Chx also need to forage for their mental health too. If they get all the nutrition too quickly and easily they will become bored and develop boredom habits like feather pecking and not get the exercise they need foraging.
If you are rearing meat birds well and good but layers should feel very spare and remain active at all times and not fat and lazily inactive. Young, plump, contented looking heavily feathered birds may look good but they aren't necessarily healthy and won't stay that way as they get older.
So if Garvo is in fact high energy and indeed you need to feed less I question it's use for hobby chickens.
Buy a good staple layers pellet from a reputable feeds company such as BOCM, Spillers, Dobson & Horrall and dare I say Allan & Page (not my favourite company) or other familiar name and you won't go far wrong. I have used Garvo seed based feed as a treat feed but only small quantities hand fed.
Regards
HF