Hong Kong’s feral cattle are more than animals that escaped human care. Their genomes preserve a detailed record of how cattle can change after becoming separated from managed herds and exposed to natural pressures. A study titled ‘ The genome landscape of Hong Kong feral cattle as a unique genetic resource ,’ examined the animals using high-coverage whole-genome sequencing, allowing researchers to investigate their origins, genetic diversity and adaptation in greater detail than earlier studies. The findings reveal a population shaped by ancient cattle movements, wild-cattle ancestry, geographical isolation and the demands of living without the protection normally provided by farmers.
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