We choose this time of year to calve because the green spring grass is usually beginning to grow pretty good by the first week of April. This gives the cows extra energy and nutrition for the milk they are producing for their calves. Unfortunately, this year we are still feeding hay, as are most farmers around us. This year has proven to us again how important it is to stockpile extra hay and/or grass from the previous summer. So, we are continuing to feed hay this spring as we are tagging calves.