Rising Prices, Failing Farms. The Strange Story Of, milk

UK - As cow 777 passes from the herd, nudged by an automated gate into the milking parlour at Kemble Farms, the signal from the transponder in the bracelet on her foreleg is read by the Cotswold estate's computer. The cow is identified and logged in while she files down the stalls. When 777 enters the empty berth at the end of the line the bar opens for the cow behind, so the stalls fill up without the need for human intervention. In the pit below, three eastern European workers move quietly up the lines attaching automatic milking teats to 36 sets of udders at a time.
calendar icon 24 April 2007
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As the vacuum begins to suck, 777's milk flows down the pipes and through an underground meter which measures and records her output, while information from the pedometer also attached to her foreleg is analysed by the latest software to calculate how far she has moved inside the adjoining cowshed since her last milking. When 777 comes into season she will walk more than usual and the computer will mark her down for her next insemination. If she has not walked as much as usual she may have an udder infection or the lameness to which cows bred for intensive dairy production are prone, and the computer will filter her out for treatment.

As 777's udders empty and the milk stops pumping, sensors in the machine detect the interruption to the flow and water is forced automatically back up the pipes to clean cow and equipment. Then the teats pop off by themselves, leaving 777 to exit back to the shed.

Kemble Farms is one of the most efficient dairy operations in the country. The cows give so much milk they are emptied three times a day. Yields are typically 9,000 litres per cow per year, not the highest known since some farms have now broken the 10,000-litre barrier, but a long way above average and spectacular compared with a decade ago, when average yields were nearer 5,000 litres per cow. Thirty years earlier, average yields were 3,500 litres.

Source: Guardian Unlimited
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