There is no agreement on this. The result of all the above is increased milk production in every trial reported, healthier cows, and lower feed costs. Other than that, processors are probably a worthless investment. I don't know, but until research proves otherwise, continue to inoculate corn silage if currently doing so. Miner Institute Farm Report.
Selection is the most important tool available to improve genetics of a dairy herd.
Over the years, the amount of genetic information available to use in selection decisions has increased significantly. However, many statistics can make it difficult to decide which information to use when selecting bulls to use as sires. In addition to information on milk yield and milk components, there are numerous indices that combine yield and type. The answer depends on your breeding goals and the specifics of your operation. Selection for any one trait will result in the most progress for that specific trait, but may not be the most economical decision if several traits are important.