Word: crossbreeding
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Dates: during 1970-1979
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In cattle breeding, the name of the game is to improve the strain. Thus ranchers think nothing of importing desirable cattle from halfway round the world to crossbreed with their own herds. In New Zealand, however, cattlemen recently ran afoul of the country's strict animal quarantine laws in...
No More DDT. Chief defoliator is the two-inch-long larva of the gypsy moth, a fuzzy brown caterpillar with blue and red spots that daily consumes one square foot of tree leaves (but not farm crops). Almost any kind of tree leaf from maple and pine to magnolia is...