And now let us compare the product per cow and per capita. It was in

Lbs. per Lbs. per

cow capita

1850 418,881,199 lbs., or 65.77 or 18.06

1880 1,049,829,921 lbs., or 84.37 or 20.93

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Increase in 30 years 18.60 2.87

Hints on Dairying · 第 31 / 204 题