abstract:In United States agricultural policy, a grazing preference is the status of qualified holders of grazing permits acquired by grant, prior use, or purchase, that entitles them to special consideration over applicants who have not acquired preference.
Esophagusfistulamethodandmicroscopic examinationtechniquewere used to analysis the botanicalcomposition, andpreferenceindexof forage selected by grazingsheep on alpinepasture.