Thanks for the vaccination lump info. Here is another questions I've had lately. I think I remember something last year about feeding pumpkins (obviously chopped) to cows being okay. With it being the season, is this an okay treat to provide (as long as they aren't moldy, have wax, burn marks, etc)? Also oat hay is really cheap right now $2.50 a 3 wire bale. Is this okay to use with cows? In Northern AZ alfalfa is $7.00 in its cheapest season. I din't know if the TDN (TDP?) was going to be met with using oat hay or a combo. Thanks.