Not 100%, but Im pretty sure all of 4 MiG-29s destroyed on the ground were destroyed long before 7th June. So they destroyed 3 models/decoys that day.
The history of the MiG-29's during OAF, is one thing I never investigated deeply.
I know, that the 204 IAP of Batajnica had 14 MiG-29 and 2 MiG-29U fighters when the war started.
Last day before the war broke out, 2 MiG-29 was sent to Nis, 2 to Ponikve, and one to Podgorica. (9 stayed at Batajnica, excluding the trainers)
Note that MiG-29 is named as L-18 in Serbia, while the MiG-21 is named as L-17.
24th of March, US F-15C "Knife-13" killed MiG-29.
24th of March, US F-15C "Edge-61" killed MiG-29.
24th of March, Dutch F-16AM killed MiG-29.
26th of March, US F-15C "Dirk-21" killed 2x MiG-29.
4th of May, US F-16CJ "Puma-11" killed MiG-29.
... so
total of 6 MiG-29 was destroyed in dogfight, without achieving any result.(what happened with the other 8+2, I do not know.)