A best seller that will never be found in a book shop or even in a library, has been revised and reprinted.
Condition Scoring Made Easy Guide is the bible for dairy farmers.
Co-author Dairy NZ principal scientist, Dr John Roche says 30,000 copies were printed when it was first issued in 2004.
Of these, 15,000 were delivered directly to farmers and extra copies were needed within six months. Dr Roche says it's been reprinted a number of times since then.