A German Shepherd may have a perfect recall in the garden and completely ignore it when something exciting appears 40 metres away. The problem is usually not that the dog “forgot” the command. The recall simply has not been trained to work under increasing levels of distraction and drive.
Build Distance Gradually
Start in a controlled, low-distraction environment. Reward your Shepherd for immediately turning toward you and coming all the way in.
Once the response is reliable, gradually increase distance. Avoid jumping from a short recall straight to a long-distance command. A long line can provide additional control while you build reliability.
Add Distractions Second
Once distance is comfortable, introduce distractions one at a time. Start with mild distractions and gradually work toward stronger ones—other people, dogs, movement, scents, or toys.
If your dog ignores the recall, the distraction is probably too difficult for the current training level. Reduce the difficulty rather than repeatedly calling.
Add Duration and Reliability
A reliable recall should not depend on the dog immediately getting released again. Practice having your Shepherd come to you, stay engaged briefly, receive a reward, and then occasionally return to an activity.
Keep rewards valuable and vary them so the dog continues to see coming back as worthwhile.
The key is to layer distance, distraction, and duration rather than increasing all three at once.
A recall that works at 40 metres is built through hundreds of successful repetitions—not by testing the dog at 40 metres before the skill is ready.