Did you know that 20% of semen sold in Norway is in the form of SpermVital? It’s a technology that prolongs the life of sperm after insemination into the uterus from the usual 24 hours to 48 hours. This makes the exact timing of insemination less critical, allowing farmers to take a day off for Sundays or holidays, or to use the product on problem cows that have uncertain signs of heat. Here is the background.