A study that surveyed more than 500 dairy farmers found that naming cows had a significant impact on milk yields. Those farmers who called their cows by name got around 2,105 gallons (7,968 liters) of milk over the cows' 10-month lactation cycle, compared to around 2,029 gallons (7,680 liters) reported by those who didn't name their cows. Scientists believe that addressing the cows by name might have a calming effect on the animals, reducing the production of the stress hormone cortisol, which can impede milk production.
Key Facts In This Video
The average cow can produce about 100 glasses of milk each day. 00:41
Cows don't have four stomachs—they have one stomach with four compartments. 01:06
Holstein cows produce more milk per day than any other type of cow. 01:51
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