Common feed ingredient tested safe in bulls

Cattle feeders choose distillers grains in feedlot diets as an inexpensive alternative to corn and soybean meal. But until now, no one had studied the effects of the common feed ingredient on bull development and fertility. ...

California's crashing kelp forest

First the sea stars wasted to nothing. Then the purple urchins took over, eating and eating until the bull kelp forests were gone. The red abalone starved. Their fishery closed. Red sea urchins starved. Their fishery collapsed. ...

Genome-edited bull passes on hornless trait to calves

For the past two years, researchers at the University of California, Davis, have been studying six offspring of a dairy bull, genome-edited to prevent it from growing horns. This technology has been proposed as an alternative ...

Bull ant venom could put the bite on pain

Venom from the giant red bull ant is helping University of Queensland scientists understand the evolution of animal toxins in work that could lead to better treatments for pain.

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