. 2021 Sep 8;9(2):e00105-21. doi: 10.1128/Spectrum.00105-21

TABLE 1.

Effects of inulin addition on production and lactation performance in dairy cows with SCM

Item^a	Group (n = 6)^a					SEM^a	P value
Item^a	Con	I-1	I-2	I-3	I-4	SEM^a	P value
DMI, kg/day	23.1	22.3	23.9	24.5	23.2	0.15	0.142
Milk yield, kg/day	31.4^c	31.7^c	33.6^b	34.2^a	32.6^b	0.35	0.031
ECM, kg/day^b	29.9^c	30.0^c	32.0^a	32.7^a	31.2^bc	0.45	0.040
FCM, kg/day^c	30.5^c	30.6^c	32.3^a	32.8^a	31.6^bc	0.48	0.042
Milk fat, %	3.81	3.76	3.74	3.72	3.80	0.047	0.175
Milk protein, %	3.07^c	3.11^c	3.22^ab	3.29^a	3.18^b	0.018	0.034
F/P	1.24	1.21	1.16	1.13	1.19	0.019	0.183
Milk lactose, %	4.01^c	4.02^c	4.18^b	4.20^a	4.12^b	0.031	0.017
MUN, mmol/liter	6.02^a	5.81^ab	5.89^ab	5.75^b	5.78^b	0.089	0.046
BUN, mmol/liter	4.52^a	4.48^ab	4.33^b	3.98^c	4.15^bc	0.069	0.035
SCC, ×10³/ml	683^a	660^a	527^b	421^c	491^bc	13.8	<0.01
EC, mS/cm	7.85	7.88	7.11	7.07	7.35	0.102	0.083
FCR^d	1.32	1.37	1.35	1.34	1.36	0.009	0.247

DMI, dry matter intake; ECM, energy-corrected milk; FCM, fat-corrected milk; F/P, fat-to-protein ratio; MUN, milk urea nitrogen; BUN, blood urea nitrogen; SCC, somatic cell counts; EC, electrical conductivity of milk; FCR, feed conversion ratio; SEM, standard error of mean; Con, control group; I-1, inulin-1 group with an inulin addition level of 100 g/day per cow; I-2, inulin-2 group with an inulin addition level of 200 g/day per cow; I-3, inulin-3 group with an inulin addition level of 300 g/day per cow; I-4, inulin-4 group with an inulin addition level of 400 g/day per cow; ^{a, b, c}, within a row, different letters differed significantly (P < 0.05).

ECM (kg/day) = milk yield (kg/day) × (383 × fat [%] + 242 × protein [%] + 783.2)/3,140 (60).

FCM (kg/day) = 0.4 × milk yield (kg/day) + 15 × milk yield (kg/day) × fat (%) (60).

FCR (%) = FCM (kg/day)/DMI (kg/day) (60).