A Malaysian man who sold a dozen black rhino and white rhino horns to a confidential source was sentenced to a year and a half in a U.S. prison Tuesday, federal prosecutors in New York said.

The shaky undercover video showed a black-and-white Holstein heifer moaning ... found in those breeds but present in other cattle, such as lack of horns or resistance to particular diseases.

Here, on the edge of Stoke-on-Trent, lies a fascinating insight into the beginnings of pedigree black and white cattle breeding in Britain – and the Holstein, complete with horns, is where it ...

Both black and white rhinoceroses are actually gray ... Black rhinos boast two horns, the foremost more prominent than the other. Rhino horns grow as much as three inches a year, and have been ...

U.S. experts used “gene-editing” to remove the DNA that is responsible for horns in black-and-white Holsteins ... species and put them into a dairy cow embryo to prevent them having horns.