With so much jammed into 8 hours during the 2007 Nyngan Ag Expo, the hardest decision for visitors will be what to see and do first. 

Nyngan showground will burst at the seams with at least 150 exhibits and about 6,000 people expected to pass through the gates between 9am and 5pm.

Expo committee chairman, Jamie Fisher, said the fixture had always gone beyond being just another country show or field day.

"Consistent with the objectives of our organisation to inform, educate and promote, we take our responsibility very seriously to not only provide a showcase for vendors and dealerships, but also to build on community knowledge in the important areas affecting rural and regional life," Mr Fisher said.

"There is a need to continue to reinforce the important social and educational ethos, and to address wider issues than the technical aspect of farming."

Consistent with the general trend of looking at rural men's health, a major feature during the day will be devoted to this most important subject.

Leading specialist physician, Dr David Hammill, of Dubbo, will present health in relation to stress, heart and lung illnesses, especially from smoking.

Professor of Psychiatry at Sydney University, Professor Chris Tennant, will discuss depression and allied mental conditions and diseases, while Dr Phillip Sticker will explain the symptoms, treatment and tell-tale signs of prostate cancer.

"These gentlemen are prominent Sydney specialists and we are privileged that they are attending," Mr Fisher said.

Meanwhile, Ryan Heggie, Nyngan's new dentist, will discuss oral health and how this generally affects the body.

"We need to look after our oral health," Mr Fisher said.

On the livestock side, a seminar relating to small and medium sized farm lotfeeding will be presented by Landmark's regional livestock consultant, Amanda Lockyer.

Areas to be discussed include design, construction, administration, rations and regulation.

Assisting will be Nyngan Rural Lands Protection Board veterinary surgeon, Dr Monique Bloemers, who will speak on dealing with animal health in confined spaces.

Mr Fisher said the Ag Expo continued to gain the support of the stud sheep industry. 

"This year we expect some 25 studs from local and further distances, which will display upwards of 10 head each," he said.

"We promote a sale-fair type arrangement, similar to the Boston sheep fair at Suffolk in the UK."

The large display area is spread out - designed so people  can mingle around the sheep, rather than the animals being jammed close in small pens.

Sheep breeds to be represented include Merino, Dohne, SAMM and Dorpers.

"There is also our eclectic group of machinery and general farm exhibits involving all our substantial dealers, plus a wonderful fashion parade and a new section, Wine and Food," Mr Fisher said.

Five local vineyards are providing vintages for sample on the day, and specialty food will be displayed.