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.
A pioneering strength and conditioning programme has been delivered to more than 8000 boys and girls at hub schools throughout Wales this season, helping to develop stronger, more flexible athletes for rugby and other sports.
The Singha Premiership Rugby 7s Series returns to the BT Sport Cardiff Arms Park on July 22nd when all four Welsh regions go head to head. Scarlets skills coach Dai Flanagan and Blues Elite Performance Pathway Manager Richard Hodges along with current Welsh squad members were at the launch of this season's event
GB7s women left their England base to train in Wales this week. Olympic Games hopeful Rachael Burford gives WRU TV's Graeme Gillespie her thoughts on Welsh teammate Jasmine Joyce - a 'one touch wonder'
The GB7s women's squad is currently training at Wales' Centre of Excellence where assistant coach Richie Pugh tells WRU TV's Graeme Gillespie some 'tough calls' will have to be made when it comes to finalising the 12 spots for Rio's Olympic Games.