A leading veterinarian says the chance of beef cattle having multiple births is less than 1 per cent, which has shocked one grazier who found not one, but two sets of twin calves within the space of a week on her property.
"It's in that half a per cent [range] for those beef cows, so if they've got 100 breeders, they're going to get that one every two or three years," he said."I bet those cows are really doing quite well, so that will increase their chance of ovulating twice at the same time, so it increases their fertility."
But he said twin calves put a huge strain on their mother, who had to produce large quantities of milk.
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