I have a JRT with 26 lbs (12 kilos) in weight, 20,8 inches length (53 cms) from neck to tail, and 15-16 inches (37 cms) height from toe to back.
He looks great and muscled, loves activities and generally very energetic. He loves to play and run. His favorite game is running between me and my wife at a distance of approximately 5 meters (200 inches) while we throw a rubber game to each other and he tries to get it.
1. Is his size normal? never read for such a big JRT and everybody tells me that he looks great in proportions but much bigger than any JRT they ever saw.
2. Is it normal after a few runs up and down (maybe 15 or 20) between me and my wife (the game I mention above) to look a tired with his tongue out like trying to grasp a breath (but still very very happy)? (I know they love to play and have a lot of exercise)
3. Is there any reason for me to check for heart problems due to both of the above?
Thanks in advance.
P.S. conditions: temp: 25c (77 F), inside apartment