Kelp Gran ASCO Ani/Fert (Blue Label)Kelp Gran ASCO Ani Fert (Blue Label) Healthy animals require a balanced diet, including many vitamins and minerals not found in today's forages or feeds. For only pennies per day, include Thorvin in your program to provide a proad array of natural nutrients, ensuring better overall health and profits. Thorvin customers report better feed conversion: Better digestion, weight gain on less feed, young animals grow faster, increase in milk and butterfat;