[Bibliometrics evaluation of biological feed based on patents].

As one of the emerging industries, feed industry not only effectively utilizes existing agricultural resources but also provides a strong material foundation and protection for animal food. In this article, status and trends of biological feed in the world based on bibliometrics were analyzed. Issues including major institutions, international cooperation, status, trends and frontiers were analyzed. These co-countries map and keywords clustering analysis can reveal co-countries and hot spots in this field. These analyses can help the researchers get an overview of this field quickly and accurately.