Jensen Ranch epitomizes what cattle producers strive to do with developing high quality livestock, David Murray writes.

At Vaqueria El Remanso, a small dairy farm west of San Juan, Puerto Rico, the cows are different—they have a freshly shaven, suave look. Their short hair is the result of a natural mutation known as ...

Cows with the slick gene have sleek, short hair that helps keep them cool. T.A. Olson via the USDA Farmers across the world are breeding cows with a mutation that gives them a higher heat tolerance—an ...