Pair arrested over alleged on-sale of 300 tonnes of horse meat as beef.
World Horse Welfare continues push to end long-haul transport of European horses to slaughter.
Sentence reduced in case where horse meat was sold as halal beef.
Food Standards Agency agrees to independent review of its response.
European agencies say bute risk is low, but say a ban from food chain must remain.
Humane Society International criticizes the breadth of testing of horse meat for drug residues.
Inquiry aims to reveal vulnerabilities within the food chain.
Obama Administration wants Congress to defund inspections of equine slaughter plants.
Decline in first quarter coincides with Europe’s horse-meat contamination scandal.
Two groups have filed a legal petition in New Mexico requesting the adoption a rule that renders any horse “unqualified” for use as food for human consumption.