Strategically placed lambs and rather unimpressed cows form an integral part of the set of 12 pictures, while four disgruntled sheep only just protect the blushes of four male students. In one image, a rather bemused looking black and white dog on a lead peers at the camera as he is surrounded by naked men perched on a trolley and topless female students holding open double doors.

The calendar is designed to raise money for the university's Queen's Veterinary School Hospital, which needs 2 million for key equipment. The Cancer Therapy Unit is in urgent need of expansion and the hospital wants to buy a radiotherapy machine, replacing the current one which is more than 30 years old.

Fiona Jacobs, who organised the shoot and posed for the calendar, said the models braved chilly temperatures as they held their risque poses. "As you'd no doubt guess from seeing the pictures from this year's calendar, we had a fantastic time making it, although it was pretty cold up on the farm I can tell you," she said. "We are all very happy to be involved in producing something fun and light-hearted, which could potentially help us raise a large amount of money for a very worthy cause.

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