If you keep the cage clean they don't smell and you can buy spray on cleaser for them, just massage it into their coat and groom them.
1	If	if	SCONJ	IN	_	3	mark	3:mark	_
2	you	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	3	nsubj	3:nsubj	_
3	keep	keep	VERB	VBP	Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin	10	advcl	10:advcl:if	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	5:det	_
5	cage	cage	NOUN	NN	Number=Sing	3	obj	3:obj|6:nsubj:xsubj	_
6	clean	clean	ADJ	JJ	Degree=Pos	3	xcomp	3:xcomp	_
7	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	10	nsubj	10:nsubj	_
8-9	don't	_	_	_	_	_	_	_	_
8	do	do	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	10	aux	10:aux	_
9	n't	not	PART	RB	_	10	advmod	10:advmod	_
10	smell	smell	VERB	VB	VerbForm=Inf	0	root	0:root	_
11	and	and	CCONJ	CC	_	14	cc	14:cc	_
12	you	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	14	nsubj	14:nsubj	_
13	can	can	AUX	MD	VerbForm=Fin	14	aux	14:aux	_
14	buy	buy	VERB	VB	VerbForm=Inf	10	conj	10:conj:and	_
15	spray	spray	VERB	VB	VerbForm=Inf	17	amod	17:amod	_
16	on	on	ADP	RP	_	15	compound:prt	15:compound:prt	_
17	cleaser	cleaner	NOUN	NN	Number=Sing|Typo=Yes	14	obj	14:obj	CorrectForm=cleaner
18	for	for	ADP	IN	_	19	case	19:case	_
19	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	14	obl	14:obl:for	SpaceAfter=No
20	,	,	PUNCT	,	_	14	punct	14:punct	_
21	just	just	ADV	RB	_	22	advmod	22:advmod	_
22	massage	massage	VERB	VB	Mood=Imp|VerbForm=Fin	14	parataxis	14:parataxis	_
23	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	22	obj	22:obj	_
24	into	into	ADP	IN	_	26	case	26:case	_
25	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	26	nmod:poss	26:nmod:poss	_
26	coat	coat	NOUN	NN	Number=Sing	22	obl	22:obl:into	_
27	and	and	CCONJ	CC	_	28	cc	28:cc	_
28	groom	groom	VERB	VB	Mood=Imp|VerbForm=Fin	22	conj	22:conj:and	_
29	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	28	obj	28:obj	SpaceAfter=No
30	.	.	PUNCT	.	_	10	punct	10:punct	_
