K-State researchers target swine feed efficiency National Hog Farmer, Katelyn Gaffield, Ron Navales October 2025 Crystalline Amino Acids | Economics | Feed Efficiency | Growing Pigs | Pig diets Editorial Impact of soybean oil on net energy and nitrogen balance in group-housed pigs allowed ad libitum access to feed Jim Eadie, swineweb.com July 2025 Net Energy | Pig diets | Soybean Oil