The road rises, dips, twists, and turns along the eastern shore as it passes the occasional house, amid small herds of dairy and beef cattle behind barbed wire fences.

NPR: Environmentalist John Francis, Walking the Walk

Up to 18% of US cattle are thought to have the disease which mainly affects dairy herds.

BBC: Crohn's Disease

Increasing feed costs, in combination with withering grasslands in the Great Plains and Corn Belt regions, are prompting ranchers to downsize beef and dairy herds.

FORBES: The Ethanol Mandate: Drought Only Compounds Inherent Catastrophic Consequences

But after reading a countryside magazine he hit on the idea of joining the growing number of farmers forgoing the traditional sheep and dairy herds, in favour of alpacas.

BBC: Banker backs alpaca flock

True, dairy farms already scan their herds with electronic implants, but it is a far cry from a milking shed to a herd of muddy steers in a Colorado blizzard.

ECONOMIST: Branding in the west

The Shrewsbury and Atcham MP spoke of the "devastating" impact on dairy farmers and their families when "whole herds" of cattle are taken away to be killed.

BBC: Abandon badger cull, Green MP demands