I am not an expert, but it may have something to do with many people being more aware of this problem. If parent stock are not getting enough vitamins in their diet, then the chicks can be either hatched with riboflavin deficiency, or more commonly get it in the weeks later. If feed sits on the...
Vitamins containing riboflavin (vitamin B2) would be very important to give. Human B complex tablets crushed into food daily would be very economical. A small amount of chopped beef liver, hamburger, salmon, tuna, sesame seeds, certain nuts, mushrooms, plain yogurt, and spinach are all good for...