na INLIS000000000003076 20210519133530 210519||||||||| | ||| |||| || 010-0521003076 6362/WA/d 6362/WA/d Walter J. Gibbons Diseases of cattle Revised second edition Califoria American Veterinary Pubications, Inc 1963 768p. ; ill..; 26cm Mastitis -- DISEASE CONTROL -- REPRODUCTION -- CATTLE