Science: Beating the Quarantine

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 trying to obtain prized French breeding animals. Now, using sophisticated biological manipulation, they have overcome the problem.

New Zealand dairymen have long wanted to import Limousin and Simenthal cattle from France. But officials, fearing that hoof and mouth disease (which is indigenous to France) might be imported along with the beasts, have steadfastly refused...

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