Metric vs. other measurement systems - chart

[Toolmaker51]

There are 86400 seconds in 24 hours (one day). Divide that by 18000 cows and you get 4.8 sec per cow. Let's say it really takes 5 minutes (300 sec) to milk a cow. Then you need 300/4.8 = 63 milking "lines" working 24/7 to handle the flow.

I'm sure my figures are wildly optimistic but, regardless, that's an incredible operation.

BTW, I know nothing about dairy farming. Are dairy cows milked more than once a day?

https://www.midwestdairy.com/farm-life/farm-life-faq/

Among other tidbits "Most dairy cows are milked two to three times per day. On average, a cow will produce six to seven gallons of milk each day."

There are certain things milked non-stop;