i dont know how to use this site yet but have a real question...i got a herfer bull he will be a year old jan6th and is about 600 lbs..it says in bookd to feed 2.5 % of body weight..so that means 15 lbs,,, is that with sweet feed and hay and pasture?? or just in feed????.i dont want to over feed, and he got lush fields for the winter there is 68 acrs for the winter and other roating feilds for later and is eating about 1 bale of hay