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D4337-1headline bar  Frass**Image Number D4337-1** Scientists at the Aquatic Animal Health Research Laboratory in Auburn, AL, have increased the weight of catfish by adding frass, shown above, from black soldier fly larvae to their diet. Frass, a byproduct of the larval meal industry, contains larvae waste, exoskeleton sheds, and residual feed ingredients**.**  Photo by Mediha Aksoy.  640 pixels wide: (D4337-1.jpg)   Please visit our Image Gallery.


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