July is when he started to exhibit slight symptoms and the owner and vet originally thought it was just some nerve damage from something in the pasture with no visible injury.
1	July	July	PROPN	NNP	Number=Sing	3	nsubj	3:nsubj	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	3:cop	CheckUPOS=VERB
3	when	when	ADV	WRB	PronType=Rel	0	root	0:root	_
4	he	he	PRON	PRP	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	5	nsubj	5:nsubj|7:nsubj:xsubj	_
5	started	start	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	3	advcl:relcl	3:advcl:relcl	_
6	to	to	PART	TO	_	7	mark	7:mark	_
7	exhibit	exhibit	VERB	VB	VerbForm=Inf	5	xcomp	5:xcomp	_
8	slight	slight	ADJ	JJ	Degree=Pos	9	amod	9:amod	_
9	symptoms	symptom	NOUN	NNS	Number=Plur	7	obj	7:obj	_
10	and	and	CCONJ	CC	_	16	cc	16:cc	_
11	the	the	DET	DT	Definite=Def|PronType=Art	12	det	12:det	_
12	owner	owner	NOUN	NN	Number=Sing	16	nsubj	16:nsubj	_
13	and	and	CCONJ	CC	_	14	cc	14:cc	_
14	vet	vet	NOUN	NN	Number=Sing	12	conj	12:conj:and|16:nsubj	_
15	originally	originally	ADV	RB	_	16	advmod	16:advmod	_
16	thought	think	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	3	conj	3:conj:and	_
17	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	22	nsubj	22:nsubj	_
18	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	22	cop	22:cop	_
19	just	just	ADV	RB	_	22	advmod	22:advmod	_
20	some	some	DET	DT	_	22	det	22:det	_
21	nerve	nerve	NOUN	NN	Number=Sing	22	compound	22:compound	_
22	damage	damage	NOUN	NN	Number=Sing	16	ccomp	16:ccomp	_
23	from	from	ADP	IN	_	24	case	24:case	_
24	something	something	PRON	NN	Number=Sing|PronType=Ind	22	nmod	22:nmod:from	_
25	in	in	ADP	IN	_	27	case	27:case	_
26	the	the	DET	DT	Definite=Def|PronType=Art	27	det	27:det	_
27	pasture	pasture	NOUN	NN	Number=Sing	24	nmod	24:nmod:in	_
28	with	with	ADP	IN	_	31	case	31:case	_
29	no	no	DET	DT	_	31	det	31:det	_
30	visible	visible	ADJ	JJ	Degree=Pos	31	amod	31:amod	_
31	injury	injury	NOUN	NN	Number=Sing	24	nmod	24:nmod:with	SpaceAfter=No
32	.	.	PUNCT	.	_	3	punct	3:punct	_
