Questions for ‘Potty-trained cows could help reduce pollution’

This cow is a whiz at potty training. Researchers trained it and other calves to use a bathroom stall (pictured) when they need to pee.
FBN (CC BY-SA)
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This cow is a whiz at potty training. Researchers trained it and other calves to use a bathroom stall (pictured) when they need to pee.
FBN (CC BY-SA)
To accompany ‘Potty-trained cows could help reduce pollution’
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