Table 1.

Information on the subjects participating in this study.

Subject	Origin	Litter	Pack	Age	Sex	Participation
						Training	Test	Time	Stone
Kilio	Paks, Hungary	1	1	3	M	x	x	x	x
Meru	Velence, Hungary	2	1	2.5	M	p.p.	n.p.	n.p.	n.p.
Nia	Paks, Hungary	3	1	1.5	F	x	x	x	x
Bashira	Paks, Hungary	4	1	2.5	F	p.p.	n.p.	n.p.	n.p.
Asali	Siofok, Hungary	5	2	2.5	M	x	x	x	x
Bora	Györ, Hungary	6	2	1.5	F	p.p.	n.p.	n.p.	n.p.
Nuru	Paks, Hungary	7	3	1.5	M	x	x	x	x
Layla	Györ, Hungary	6	3	1.5	F	p.p.	n.p.	n.p.	n.p.
Zuri	Paks, Hungary	7	3	1.5	F	x	x	x	x
Rafiki	Tengelic, Hungary	8	4	3	M	p.p.	n.p.	n.p.	n.p.
Hakima	Paks, Hungary	4	4	2.5	M	x	x	x	x
Maisha	Paks, Hungary	1	4	3	M	x	x	x	x
Binti	Siofok, Hungary	5	4	2.5	F	x	x	x	x

M, male; F, female; x, animal participated in this phase of the study; p.p., participating partly; n.p., not participating.