Mr Lockhart's Romney entry won best of breed (traditional) in this year's Glammies, held at the Upper Clutha A&P Show. Last year, his Romney/Texel Suffolk entry was fourth in the dual purpose X terminal section.
Mr Lockhart, who has been farming on his own account for eight or nine years, runs about 3000 stock units on the 333ha property.
He spent 15 years shearing and found Romneys to be one of the easiest breeds to handle and they were sound sheep, he said.
He entered the Glammies to see how his lambs compared and particularly for the information derived from laboratory testing of the meat, he said.
The 2013 Glammies grand champion was won by Mangapoike Ltd, represented by Pat Sherriff, from Gisborne, with a composite lamb processed at Silver Fern Farms' Takapau plant. Mangapoike Ltd won $2000, a trophy and a magnum of Mt Difficulty 2009 pinot noir.
There were more than 180 entrants in the competition. The final was judged by Beef and Lamb Iron Maidens Sarah Walker and Sophie Pascoe, food writer Lauraine Jacobs, Beef and Lamb ambassador chef Darren Wright and head judge and chef Graham Hawkes.
Mr Hawkes said the quality of this year's entries was a ''step up'' from last year's.
Other farmer winners were William and Karen Oliver (Te Kuiti) for their Romney/Lamb Supreme (best of breed - crossbreed); and Donald and Liz Polson (Wanganui) for their Highlander/Primera lamb (best of breed - terminal).
Doug and Jeannie Brown, from North Otago, and Ken and Sharyn McRae, from Lawrence, were third and fourth respectively in the best of breed (traditional) with Romney entries.
David and Dawn Sangster, from Ranfurly), were third in the best of breed (crossbreed) with a Romdale/Textra, while Carolyn and Drew Dundass, from Ranfurly, were second in best of breed (terminal X) with a Texel-cross/TexelJames and Liane Crutchley, from Palmerston, were second in best of breed (open) with a Texel/Romney/South Dorset Down, and Gary Fordyce (Gore) was third with a composite.
Retailer and processor awards were won by Countdown and Silver Fern Farms' Takapau plant respectively.