Effects of various mastitis treatments on the reproductive performance of cows

BMC Veterinary Research

Table 4 Timing of mastitis and its effect on pregnancy rate after the first artificial insemination (AI), number of services per calving (NSC), and days open

Time of mastitis (days postpartum)	n	Pregnancy rate after first AI (%)	NSC	Days open (d)
0–21	89	70.0	1.7	110.7^b
22–42	22	66.7	2.0	113.3^b
43–63	22	63.0	1.8	120.7^b
64–84	14	62.5	2.0	128.2^ab
85–100	5	50.0	2.7	160.3^a
Total/average mastitis cows	152	66.9	1.8	116.1
SEM		2.33	0.07	3.0
P-value		0.44	0.13	0.013

n Number of observations, AI Artificial insemination, NSC Number of services per calving
Different superscripts in the same column indicate significant difference (p < 0.05)

ISSN: 1746-6148