In Carrano & Biewener's study, experimental chickens were housed individually in smaller cages and were only allowed to exercise 20 minutes per day, 3 days per week, from the 6th to the 12th week.
1	In	in	ADP	IN	_	6	case	6:case	Discourse=adversative-contrast_m:86->84:1
2	Carrano	Carrano	PROPN	NNP	Number=Sing	6	nmod:poss	6:nmod:poss	Entity=(124-abstract-giv:inact-cf4-3,5-coref(40-person-giv:inact-cf2-1,3-coref(41-person-giv:inact-cf3-1-coref)
3	&	&	CCONJ	CC	_	4	cc	4:cc	_
4-5	Biewener's	_	_	_	_	_	_	_	_
4	Biewener	Biewener	PROPN	NNP	Number=Sing	2	conj	2:conj:and|6:nmod:poss	Entity=(42-person-giv:inact-cf1-2-coref
5	's	's	PART	POS	_	2	case	2:case	Entity=42)40)
6	study	study	NOUN	NN	Number=Sing	11	obl	11:obl:in	Entity=124)|SpaceAfter=No
7	,	,	PUNCT	,	_	6	punct	6:punct	_
8	experimental	experimental	ADJ	JJ	Degree=Pos	9	amod	9:amod	Entity=(134-animal-new-cf5-2-coref
9	chickens	chicken	NOUN	NNS	Number=Plur	11	nsubj:pass	11:nsubj:pass|19:nsubj:pass|21:nsubj:xsubj	Entity=134)
10	were	be	AUX	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	11	aux:pass	11:aux:pass	_
11	housed	house	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	0:root	_
12	individually	individually	ADV	RB	Degree=Pos	11	advmod	11:advmod	_
13	in	in	ADP	IN	_	15	case	15:case	_
14	smaller	small	ADJ	JJR	Degree=Cmp	15	amod	15:amod	Entity=(135-place-new-cf7-2-sgl
15	cages	cage	NOUN	NNS	Number=Plur	11	obl	11:obl:in	Entity=135)
16	and	and	CCONJ	CC	_	19	cc	19:cc	Discourse=joint-list_m:87->86:0
17	were	be	AUX	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	19	aux:pass	19:aux:pass	_
18	only	only	ADV	RB	_	19	advmod	19:advmod	_
19	allowed	allow	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	11	conj	11:conj:and	_
20	to	to	PART	TO	_	21	mark	21:mark	_
21	exercise	exercise	VERB	VB	VerbForm=Inf	19	xcomp	19:xcomp	_
22	20	20	NUM	CD	NumForm=Digit|NumType=Card	23	nummod	23:nummod	Entity=(136-time-new-cf8-2-sgl
23	minutes	minute	NOUN	NNS	Number=Plur	21	obl:tmod	21:obl:tmod	_
24	per	per	ADP	IN	_	25	case	25:case	_
25	day	day	NOUN	NN	Number=Sing	23	nmod	23:nmod:per	Entity=(137-time-new-cf9-1-sgl)136)|SpaceAfter=No
26	,	,	PUNCT	,	_	28	punct	28:punct	_
27	3	3	NUM	CD	NumForm=Digit|NumType=Card	28	nummod	28:nummod	Entity=(138-time-new-cf10-2-sgl
28	days	day	NOUN	NNS	Number=Plur	19	obl:tmod	19:obl:tmod	_
29	per	per	ADP	IN	_	30	case	30:case	_
30	week	week	NOUN	NN	Number=Sing	28	nmod	28:nmod:per	Entity=(139-time-new-cf11-1-sgl)138)|SpaceAfter=No
31	,	,	PUNCT	,	_	34	punct	34:punct	_
32	from	from	ADP	IN	_	34	case	34:case	_
33	the	the	DET	DT	Definite=Def|PronType=Art	34	det	34:det	Entity=(140-time-new-cf12-2-sgl
34	6th	6th	ADJ	JJ	Degree=Pos|NumType=Ord	19	obl	19:obl:from	_
35	to	to	ADP	IN	_	38	case	38:case	_
36	the	the	DET	DT	Definite=Def|PronType=Art	38	det	38:det	Entity=(141-time-new-cf6-3-sgl
37	12th	12th	ADJ	JJ	Degree=Pos|NumType=Ord	38	amod	38:amod	_
38	week	week	NOUN	NN	Number=Sing	34	obl	34:obl:to	Entity=141)140)|SpaceAfter=No
39	.	.	PUNCT	.	_	11	punct	11:punct	_
