Word: feed
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Dates: during 1950-1959
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...laying pullets are sold to other farmers who do nothing but produce eggs for the table in a completely automatic fashion. The hens are kept in individual cages. They stick their heads out to feed from a continuously filled feed trough, turn around to a drinking fountain, drop their eggs on the inclined wire floor. The eggs roll outside through an automatic counter onto a conveyor belt that takes them to a human sorter who puts them in boxes. Another conveyor belt takes away the droppings. One man can easily take care of 7,000 birds with an output...
Mating by Tabulator. Both Vantress and Saglio approach their work with one goal: to get a bird that will eat the least amount of feed, grow the fastest, dress out to a completely standard bird with a minimum of waste. Thanks chiefly to this breeding, in 20 years the time and feed needed to raise a 3-lb. chicken for market have dropped from 14 weeks and 12 Ibs. of feed to 8½weeks and 6|¾ Ibs. The five-year goal: a 3-lb. chicken in six weeks...
...dirty. They wallow in mud because they have no sweat glands to keep them cool." With daily or even hourly shower baths, meticulous regulation of the temperature, humidity and even the air movement around them for each day of their lives, Purdue's hogs grow on less feed, gain 1¾ Ibs. per day, compared to 1½ Ibs. for hogs forced to put up with natural weather...
...synthetic female sex hormone, under the skins of cattle and sheep to make them gain weight 15% faster. Today 80% of the nation's beef cattle get stilbestrol. This helps farmers produce an estimated billion pounds more meat than they could have got for the same amount of feed without stilbestrol...
...Wabash River. Then Pfizer and other antibiotics companies found that the residue contained vitamin B12, a powerful growth stimulant. Once, B-12 was extracted from animal livers for humans and sold for thousands of dollars an ounce. Now Pfizer sells the B-12-rich residue cheaply to feed companies, which put it into animal rations. Merck & Co. and others have synthesized gibberellic acid, which has a powerful growth-stimulating effect on plants. Minute traces in spray will make spinach grow a second crop, and double the size of seedless grapes...