The wool was classed by Sara Park of Caroonboon.
The Bulls' clip was first named the best January clip, due to its great style, yield and length and strength results, before being named the overall winner.
Mr Bull explained they had switched to short shearing intervals of around eight months and ever since then they had got very good results.
The clip averaged 18.2 microns and measured 69mm with a staple strength of 43 Newtons per kilotex.
Monthly winners for the Northern Clip of the Year were as follows:
August (2018) - AL Dickins & Co, classed by Jayde Cluff; September - Australian Food & Agriculture Co, classed by Barry Doidge; October - RM & JE Molesworth, classed by Ashley Lindner; November - PM Reynolds Family Trust, classed by Malcolm Webb; December - Fowles Farm , classed by Kelly Chapman; January (2019) - MS & CE Bull, classed by Sara Park; February - RA, JE & AP Ross, classed by Allan Thomas; March - Willandra Merino Stud, classed by Christine Hall; April - I E Cameron & Co, classed by David Curtin; May - Spring Plains Pastoral Co, classed by Robert Doherty.
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