Nutrena NutreBeef 37% Range Block is designed for beef cattle on pasture or forage. This is a simple and convenient way to provide supplemental protein to your herd. With 37% content, the mineral block offers high levels of protein to help fill in the gaps where needed and ensure your cows consume all the right nutrients. Each block comes with salt levels and a harness to aid in intake control. And thanks to the pressed form, feeding the block is easy and mess-free. This NutreBeef block weighs 33.3 lb. Add it to your cows' feeding program today.