A cow owned by a southwest Iowa farmer has given birth to a trio of calves. The rare event occurred on a farm owned by Max and Harriet Griffey, of rural Farragut. According to experts, the odds of a beef cow giving birth to triplets is 1-in 100,00. Another rarity: the cow on the Griffey farm is nursing the calves by herself.

The two male and female calves are doing well, according to Griffey, and at three-weeks of age, are beginning to eat some grain and hay. Griffey told the Omaha World-Herald he’s been raising livestock for over 45-years, and it’s the first set of triplets he’s had delivered by a cow. The same cow, has previously given birth of twins, on more than one occasion.