I'm getting some bad-tasting milk right now and trying to figure out and eliminate the cause. My current biggest suspicion is the pelleted MFM lactating goat feed I give my two milkers. One of them has been refusing to eat it lately, and her milk is good. The other eats it, but seems to favor everything else and saves it for last, and the last couple of days she's not been finishing it, which is really weird. Oh, and her milk is horrible. The milk got bad very suddenly and I can't remember when I bought this last bag of feed, so I'm not sure if it coordinates or not... but I found a date on the bag and it says it's from April of 2018. That's well over a year old. What is the shelf life of a bag of feed? I don't think the bag had any rips or anything. But is that a little old? I don't see an expiration date on the bag.