The 31-times capped tight head prop has suffered from a recurring injury with his right shoulder and Cardiff Blues and the Welsh management decided it was better for him to have surgery than try to play on with the problem.
Jenkins became one of the stalwarts of the Lions pack in New Zealand last summer and was one of the few players who emerged with his reputation enhanced. Now viewed as the cornerstone of the Welsh eight, he scored the vital first try in the Grand Slam victory over Ireland in March.
His operation means that Worcester's Chris Horsman could get his first taste of international rugby when the northern hemisphere champions, Wales, take on the Tri-Nations winners, New Zealand, at the Millennium Stadium on 5 November.
Horsman has completed his three years residency in Wales and has been in superb form for his club this season in the Guinness Premiership and is likely to join the Welsh front row pool with Ospreys duo Duncan and Adam Jones and the Blues's John Yapp.
Wales coach Mike Ruddock is already sweating on the return of two more Lions, Shane Williams and Gavin Henson, who have both undergone groin operations this month.
Wales Sevens are looking to re-group after a disappointing tournament last time out in South Africa. The next double leg in New Zealand and Las Vegas offers Gareth Williams a chance to redeem themselves.
Wales Women's head coach Rhys Edwards was at Llandovery to see the conclusion of an entertaining Women's Regional championship where any one of three teams were in contention for title glory on the last day of action.
Christmas has come early at Glynneath rugby club, one of a number around Wales who have received an array of merchandise and equipment this December courtesy of the Welsh Rugby Union's £750,000 participation points scheme.
The WRU have been delivering on the scheme - which gives individual clubs access to up to £5,000 worth of supplies and equipment each for the 2014/2015 season - over the last two weeks and today (Friday) were received by a special guest in Glynneath, club president and pitch marker Max Boyce.
As the countdown continues for RWC2015, Tournament Chief Executive Debbie Jevans visited the Millennium Stadium to discuss preparations for the eight matches and reveal the positive news that 100,000 tickets for games at the home of Welsh rugby have sold in the last seven days.
Jason Harries is targeting a first win on the World Series circuit this season with Wales. The series returns to action this weekend in Dubai where Harries is part of a team hoping to build from its efforts in round one in October.
Wales skipper Jevon Groves says his side have addressed a few points from Gold Coast and aim to 'hit the ground running' in the next two rounds of the World Series, kicking off with this weekend in Dubai before heading off to South Africa next week.
Wales Sevens manager Steff Thomas is hopeful his side can build from a quarter-final spot in the opening round of the World Series in Australia when his side take part in the forthcoming double header in Dubai and South Africa.