yes sum good and bad feed back there this is stuff thats made for babys thats not on solds yet so there every thing in it thats reqired for a infint ta grow of coures it will build the birds up and breeding birds in the winter is not natural so of course its a advantage when winter breedin as birds have less light ta feed freely ? that way there lackin little and i no a dog breeder that the *expletive removed* had all so turned away its pups and thay were feed this same stuff and when thay where ready ta go thay went the 8 of them when there new oners seen them it was out with the cash and away thay went so a little thing for the dog lads ta look in 2