Traditional dairy farms calves are separated from their mothers within 24 hours of their birth. It allows farmers to collect the milk that the calves would naturally drink and sell it to be made into dairy products. But one farmer in the south of Scotland is pioneering an unconventional method of commercial dairy farming - keeping cow and calf together for about six months. David Finlay, who farms 130 dairy cows near Gatehouse of Fleet, claims the system results in higher animal welfare standards and a more profitable business. Now he is calling for the Scottish government to fund a radical new cow-with-calf development programme. The Finlays implemented the cow-with-calf system with their herd, but the decision almost bankrupted the business when they did not have enough milk left to sell to market. After overhauling their business plan and adopting a new approach, the couple found a way of making the system financially viable. David claims that among the benefits are happier cows and staff, healthier animals and an increase in life-expectancy. What we've found is we can carry 25% more cows on the farm, because the young stock are growing and maturing so much faster and the cows are yielding 25% more milk," he said. "So even with the calves drinking a third of their mother's milk, the system is actually more efficient, more productive and more profitable." Rainton Farm is now the largest commercial cow-with-calf dairy farm in Europe.