Even though something stuck in my mind about alfalfa and I am the one that added the quote with information on it being poisonous at certain times. It is something to know, but not to be worried about. I have put three bales of hay through my 25 young chicks in the last three months without...
If I remember my livestock nutrition class some 30 years ago certain plants including alfalfa concentrate alkaloids and can become poison just after a hard freeze at the end of the growing season. If your animals are pasturing exclusively on alfalfa at this time it can be a problem.
Looked on...