Deals of the day-Mergers and acquisitions

July 2 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 0930 GMT on Wednesday:

Luxembourg's largest brewery Brasserie Nationale lost its challenge against EU antitrust scrutiny of its proposed buy of wholesale drinks distributor Boissons Heintz as Europe's second-highest court sided with EU regulators. nL8N3SY1DD

British scientific instruments maker Spectris has agreed to a takeover offer from U.S. investment firm KKR valuing it at 4.7 billion pounds ($6.46 billion) including debt, and has withdrawn its support for a rival offer from Advent.nL4N3SZ0CR

London-listed Aviva disclosed in a London Stock Exchange filing that it has completed its 3.7 billion pound ($5.09 billion) takeover of rival Direct Line Group. nL6N3SZ0A8

Private equity group KKR will acquire ProTen, one of Australia's largest broiler chicken growers, from pension fund Aware Super, the parties said in a joint statement without disclosing financial details. nL4N3SZ058

Euronext is in talks to buy up to 100% of the Athens Stock Exchange in a 399 million euro ($470 million) all-share deal that would be the latest for a group that already operates stock markets in countries including France and the Netherlands.nL1N3SY0NB

A merger between French business software provider LumApps and its Swiss peer Beekeeper will create a new unicorn worth about $1.1 billion, the two companies said. The deal announced on Wednesday is backed by British private equity group Bridgepoint BPTB.L nL8N3SY1HB

The new German government has no plans currently to take a stake in Thyssenkrupp's TKAG.DE defence division TKMS, the business daily Handelsblatt reported on Wednesday, citing government sources. nL1N3SZ04C