Trimming a horse's ears is somewhat controversial. Some people believe the ears should never be trimmed. Others will remove the hair from both the outside and inside of the ear. The traditional method, however, is to hold the horse's ear together and trim off only the untidy, excess hair. Trimming inside the ear removes the horse's protection from flies and can increase the risk of ear mites. A horse with trimmed ears should wear a fly hood when turned out. It's much easier not to trim inside the ear in the first place. Trimming only the excess looks just as neat.
1 Professional organizations and the U.S. Government Printing Office can also be indicators that a book is scholarly.  Book reviews can provide clues as to if a source is scholarly and highlight the intended audience.
Wikipedia articles should be based on reliable, published sources, making sure that all majority and significant minority views that have appeared in those sources are covered (see Wikipedia:Neutral point of view).If no reliable sources can be found on a topic, Wikipedia should not have an article on it. See Wikipedia:No original research and Wikipedia:Neutral point of view. 2  Material such as an article, book, monograph, or research paper that has been vetted by the scholarly community is regarded as reliable, where the material has been published in reputable peer-reviewed sources or by well-regarded academic presses.