Animals & Nature
On average, how many liters of water does a lactating dairy cow drink per day? (1 liter ≈ 0.26 US gallons)
Answer
132 liters
That's about the volume of a full bathtub every single day — and heat-stressed cows can nearly double it. A cow can gulp up to 19 liters in a single minute; water is the main ingredient in the roughly 30 liters of milk she gives daily.
Source: Cornell Cooperative Extension / university dairy extension services (30–50 gal/day range, ~35 gal average)
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