After several hours of this, learning the difference between a four-day-old horse and a cow carcass - the colour, smell, and muscle tone - the kind lady who showed us round, led us to a warm room where we could remove our hair nets and overalls and take comfort in a bowl of vegetable soup.
On average a single cow produces 6.5 gallons of milk every day from two 10-minute milkings using mechanical vacuum machines that are attached to their udders.