However, it also needs to be pointed out that if a new type of food containing a certain type of “suspected toxic composition” is a type of main food consumed by humans on regular basis, then, to be responsible to mankind's safe and healthy survival and reproduction, such animal feed tests not only must continue for a considerable length of time, but must also be conducted on both male and female animals, and continued for at least three generations, to determine if the food containing such “suspected toxic composition” might or not cause any birth problems or birth defects to the second and third generation of such animals.

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