Domesticated from the wild aurochs roughly ten thousand years ago, cattle became the most versatile animal in human history — supplying meat, milk, leather, dung fuel, and traction power that made plow agriculture possible. As walking stores of wealth across pastoral and agrarian societies worldwide, they shaped economies, religions, and languages. Today, industrialized at a scale of roughly one billion animals, cattle are among the heaviest ecological burdens humanity places on the land.
The words 'cattle,' 'capital,' and 'chattel' are all tied to medieval terms for movable property and the 'head' of livestock that once counted as wealth. Cattle were wealth — countable, movable, reproductive — before coins existed. A man's herd was his treasury. A bride's worth was measured in heads of cattle. A kingdom's power was counted in the beasts it could field and feed. For ten thousand years, this single domesticated animal turned grass into food, labor, and money across nearly every inhabited continent. Then, in the twentieth century, the same animal went industrial — and became one of the largest single sources of greenhouse gases on the planet.