This was interesting, thanks!I recently found this that I thought was neat interactive tool for comparing brand vs NRC recommendations for different life stages of course if the manufacturer doesn’t list vitamins and minerals in guaranteed analysis then it’s not listed. http://www.poultrydvm.com/feeds.php
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If you move the slider where it says newly hatched chicks it lets you choose the life stage to compare.
@GreenMountainEric why is it that many manufacturers don’t list many of the vitamins and minerals in the guaranteed analysis, it is frustrating when trying to decide what formula may meet the majority of your flocks needs especially when you have mixed flock of ages and genders all housed together. Also is there any updated poultry guidelines since 1994, I feel many people are feeding higher protein than the recommendations and seeing better results in their poultry, making me question wether these guidelines are up to date with lastest research.