If you read the actual report that is linked from there, you will find from the table on page 4 that the classes of cattle not listed in the press releases are

If you read the actual report that is linked from there, you will find from the table on page 4 that the classes of cattle not listed in the press releases are heifers, steers, bulls, and calves, and that they do sum to ~89 million. https://downloads.usda.library.cornell.edu/usda-esmis/files/h702q636h/ms35vn48m/fj237f291/catl0123.pdf https://downloads.usda.library.cornell.edu/usda-esmis/files/...