Evaluation of Holstein cows with different tongue-rolling frequencies: stress immunity, rumen environment and general behavioural activity

Table 4 Spearman correlation between tongue-rolling frequency and serum indicators

Items		TRF	COR	DA	GABA	5-HT	E	NE
TRF	r-value	1.000	0.363	0.243	0.252	0.226	0.095	0.227
	P-value		0.081	0.276	0.246	0.287	0.674	0.286
COR	r-value	0.363	1.000	0.299	0.424	0.236	0.551	0.312
	P-value	0.081		0.176	0.044	0.268	0.008	0.138
DA	r-value	0.243	0.299	1.000	0.487	0.607	0.561	0.531
	P-value	0.276	0.176		0.025	0.003	0.008	0.011
GABA	r-value	0.252	0.424	0.487	1.000	0.532	0.489	0.560
	P-value	0.246	0.044	0.025		0.009	0.024	0.005
5-HT	r-value	0.226	0.236	0.607	0.532	1.000	0.423	0.718
	P-value	0.287	0.268	0.003	0.009		0.050	0.000
E	r-value	0.095	0.551	0.561	0.489	0.423	1.000	0.497
	P-value	0.674	0.008	0.008	0.024	0.050		0.019
NE	r-value	0.227	0.312	0.531	0.560	0.718	0.497	1.000
	P-value	0.286	0.138	0.011	0.005	0.000	0.019

TRF Tongue rolling frequency, COR Cortisol, DA Dopamine, GABA γ-hydroxybutyric acid, 5-HT 5-hydroxytryptamine, E Epinephrine, NE Norepinephrine

ISSN: 2049-1891