Agricultural products group Wynnstay posted higher revenues and profits in the year to 31 October and said it stands to benefit from higher demand for food and energy as the world's population grows. Pre-tax profits climbed to £5.95m from £5.2m as revenues rose to £243.74m from £214.95m.The rise in revenues included a £19.18m contribution from acquisitions Woodheads Seeds and Youngs Animal Feeds."We remain very positive about the long term macro economic trends supporting UK agriculture and our own trading prospects," the company said. "Our strategy to grow the business both organically and via acquisition remains."Wynnstay's activities are concentrated in Wales, western England and Yorkshire.