Impact of yeast and lactic acid bacteria on mastitis and milk microbiota composition of dairy cows

AMB Express

Table 1 The effect of treatments on milk composition

Items	Time	Treatments					SEM	P-value
Items	Time	H	M	M + Y	M + L	M + Y + L	SEM	P-value
SCC (10⁴/mL)	Day0	42.00^b	229.42^a	199.33^a	217.83^a	247.16^a	21.75	0.05
	Day20	65.25^b	352.14^a	136.50^b	174.66^b	172.50^b	29.71	0.02
	Day40	56.25^B	294.42^A	112.83^B	129.67^B	121.33^B	24.65	0.01
Milk fat (%)	Day0	3.22	2.68	2.20	2.47	2.83	0.12	0.16
	Day20	3.37^A	2.00^B	2.76^AB	2.69^AB	3.41^A	0.15	0.01
	Day40	3.23^B	2.65^B	3.30^B	3.40^B	4.23^A	0.15	0.01
Milk protein (%)	Day0	3.35	3.52	3.23	3.29	3.58	0.06	0.34
	Day20	3.56	3.65	3.37	3.42	3.70	0.06	0.33
	Day40	3.62^b	3.56^b	3.46^b	3.61^b	4.02^a	0.07	0.05
Fat to protein ratio	Day0	0.96	0.75	0.68	0.74	0.78	0.03	0.17
	Day20	0.94^A	0.54^B	0.82^A	0.78^A	0.90^A	0.04	0.00
	Day40	0.89^ab	0.74^b	0.96^a	0.94^a	1.04^a	0.04	0.05
Lactose (%)	Day0	4.87	5.09	4.86	5.08	4.93	0.05	0.49
	Day20	5.21	4.94	5.01	5.19	5.03	0.04	0.18
	Day40	5.04^B	4.80^B	5.12^A	5.28^A	5.35^A	0.05	0.00
Urea nitrogen (%)	Day0	12.12	12.60	11.43	11.55	11.51	0.30	0.68
	Day20	12.65^a	10.67^b	11.68^b	11.65^b	13.41^a	0.30	0.02
	Day40	13.82^a	11.70^b	13.50^a	12.71^ab	13.71^a	0.28	0.07
Solids not fat (%)	Day0	9.06	9.43	8.87	9.17	9.18	0.08	0.23
	Day20	9.59	9.39	9.23	9.34	9.25	0.07	0.59
	Day40	9.42	9.54	9.40	9.41	9.61	0.08	0.89