We suggest that the different outcomes are due to the distinct rearing and exercising conditions used in each study, in addition to the different artificial tails used.
1	We	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	2	nsubj	2:nsubj	Discourse=attribution-positive:79->80:2|Entity=(2-person-giv:act-cf1*-1-ana)
2	suggest	suggest	VERB	VBP	Mood=Ind|Number=Plur|Person=1|Tense=Pres|VerbForm=Fin	0	root	0:root	_
3	that	that	SCONJ	IN	_	8	mark	8:mark	Discourse=joint-other_m:80->6:6
4	the	the	DET	DT	Definite=Def|PronType=Art	6	det	6:det	Entity=(127-abstract-acc:aggr-cf2-3-sgl|SplitAnte=125<127,126<127
5	different	different	ADJ	JJ	Degree=Pos	6	amod	6:amod	_
6	outcomes	outcome	NOUN	NNS	Number=Plur	8	nsubj	8:nsubj	Entity=127)
7	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	8	cop	8:cop	_
8	due	due	ADJ	JJ	Degree=Pos	2	ccomp	2:ccomp	_
9	to	to	ADP	IN	_	15	case	15:case	_
10	the	the	DET	DT	Definite=Def|PronType=Art	15	det	15:det	Entity=(128-abstract-new-cf5-6-sgl
11	distinct	distinct	ADJ	JJ	Degree=Pos	15	amod	15:amod	_
12	rearing	rearing	NOUN	NN	Number=Sing	15	compound	15:compound	_
13	and	and	CCONJ	CC	_	14	cc	14:cc	_
14	exercising	exercising	NOUN	NN	Number=Sing	12	conj	12:conj:and|15:compound	_
15	conditions	condition	NOUN	NNS	Number=Plur	8	obl	8:obl:to	_
16	used	use	VERB	VBN	Tense=Past|VerbForm=Part	15	acl	15:acl	Discourse=elaboration-attribute:81->80:0
17	in	in	ADP	IN	_	19	case	19:case	_
18	each	each	DET	DT	PronType=Tot	19	det	19:det	Entity=(129-abstract-acc:aggr-cf4-2-sgl|SplitAnte=102<129,124<129
19	study	study	NOUN	NN	Number=Sing	16	obl	16:obl:in	Entity=129)128)|SpaceAfter=No
20	,	,	PUNCT	,	_	22	punct	22:punct	_
21	in	in	ADP	IN	_	22	case	22:case	Discourse=same-unit_m:82->80:1
22	addition	addition	NOUN	NN	Number=Sing	15	nmod	15:nmod:in	_
23	to	to	ADP	IN	_	27	case	27:case	_
24	the	the	DET	DT	Definite=Def|PronType=Art	27	det	27:det	Entity=(130-object-acc:com-cf3-4-sgl
25	different	different	ADJ	JJ	Degree=Pos	27	amod	27:amod	_
26	artificial	artificial	ADJ	JJ	Degree=Pos	27	amod	27:amod	_
27	tails	tail	NOUN	NNS	Number=Plur	22	nmod	22:nmod:to	_
28	used	use	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	27	acl	27:acl	Discourse=elaboration-attribute:83->82:0|Entity=130)|SpaceAfter=No
29	.	.	PUNCT	.	_	2	punct	2:punct	_
