James Loxton scored five tries - taking his tally to eight in two British & Irish Cup games - as Cardiff racked up a half century in their 51-20 win at Birmingham & Solihull Bees in the British and Irish Cup.
The Welshmen look favourites reach the knockout stages from their pool, while Ayr picked up their first win in the competition with a 28-13 win over Rotherham Titans, with Frazier Climo slotting six penalties. The game between Pontypridd and Doncaster Knights was postponed.
The Irish representatives in the competition have continued their country's glittering 2009 form with an unbeaten start in the new competition.
Leinster and Munster top their respective pools after two rounds of the competition, while the Ravens are only kept from the top spot of Pool C by London Welsh's superior points difference.
With only the group winners from the round-robin, five game pool stage qualifying for the semi-finals in April, competition is becoming fierce.
Leinster followed up their opening day win over Plymouth with a second narrow victory as Shaun Berne's four penalties secured a 12-10 defeat of Cornish Pirates in Pool A.
Newport and Plymouth Albion played out a 3-3 draw, which keeps the Welsh side unbeaten and in contention at the top.
Nottingham kept it tight at the top of Pool B as late tries from Tim Usasz and Tim Streather secured a 14-3 win over Neath, their second win of the competition.
Dave Kilcoyne, Danny Barnes and Ronan O'Mahony all scored tries as Munster maintained their 100 per cent record with an 18-6 win over Bristol.
London Welsh lead the way in Pool C after Tom Brown and Paul Sampson each scored a double in a comprehensive 36-7 win at Aberavon.
Bedford Blues secured their first win with a 36-24 win over Llanelli.
Wales U20 captain Tom Phillips and performance psychologist Dr Rich Neil explain why spending three days at Monmouth RFC has further strengthened the togetherness of the squad ahead of the #WorldRugbyU20s
Alongside Scarlets flanker James Davies and Cardiff Blues centre Cory Allen, three Wales Sevens core players have made the extended training squad for GB Sevens. Wales Head coach Gareth Williams tells WRU TV's Graeme Gillespie why Luke Treharne, Sam Cross and Luke Morgan earned selection in the initial training squad for Rio.
Wales Sevens head coach Gareth Williams tells WRU TV's Graeme Gillespie he has had to overcome a number of injuries before naming a competitive squad for this weekend's penultimate round of the World Series in Paris.
Merthyr were officially crowned champions of the SSE SWALEC Championship at Dowlais on Saturday where captain Andy Powell paid tribute to his side who have earned promotion to the Principality Premiership
Coleg y Cymoedd's season has had a spectacular ending with victory in two cup finals and a massive victory over one of the best rugby playing schools in the world - Welsh coach Warren Gatland's old alma mater, Hamilton Boys' High School.
WRU chief executive Martyn Phillips hosted the second meeting of the WRU Youth Board last weekend ahead of the Judgement Day IV regional double-header. Tthe board, made up of 15 under-21-year-olds from around Wales, heard presentations from head of participation Ryan Jones, policy and integrity manager Jeremy Rogers and national women's rugby manager Caroline Spanton, with Pro Rugby Wales CEO Mark Davies also on hand to hear the range of views aired.
Wales duo Rhun Williams and Liam Belcher, who makes a welcome return after five months of injury woe, look ahead to next month's World Rugby U20 Championship in Manchester where they will face Ireland, Georgia and New Zealand.