Brendan John Jordan, 44, appeared at a hearing in the Launceston Magistrates Court on Tuesday, contesting charges of common assault and being a driver involved in a crash and failing to stop.

The court heard the woman was attempting to carry a lamb to her car from the farm on the Tasman Highway on September 24, concerned that it was in poor health and was being attacked by crows.

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Mr Jordan approached the woman and a verbal confrontation started, before he grabbed the lamb away from her and carried it to his ute, climbing through a fence.

"I was pretty annoyed when someone proceeds to tell me how to do my job when I've been on a farm my whole life," he told police in an interview.

Mr Jordan claimed that the exchanges between the pair continued, including the use of strong language, before he drove away. He performed a u-turn and claims that he stopped near the woman's parked car so he could take her registration details - a company policy, due to the number of unknown people who had recently entered the property.

He claimed the woman was recording him with her phone while standing close to the road when he went to drive away, but the prosecution alleged the woman was away from the road.

Mr Jordan admitted that the corner of his bull bar struck the woman. She ended up in a ditch on the side of the road with a broken leg, resulting in surgery.

He could not say how fast he was driving.

When questioned how the woman could have travelled that distance, Mr Jordan said she "rolled" into the ditch, although he did not see what occurred after the collision. He said he drove several kilometres down the road before calling his boss and an ambulance, which is disputed by the prosecution.

Mr Jordan told the court he saw another car parked nearby and he feared further confrontation if he remained in the area, believing the car was connected to the woman.

He admitted to police that, in hindsight, he should have stayed at the scene.

"After I hit her? I should've stayed," Mr Jordan said.

The hearing before Magistrate Sharon Cure continues on March 17.