Table 1 Abortions and premature deliveries after whole herd vaccination and revaccination with RB51 in Segovia (Spain)^a

A. In brucellosis free herds from which RB51 was isolated^b

Herds^c

Abortions and premature deliveries/no. of cows (%)

in the herd

in pregnant

A

1/41 (2.4)

1/10 (10)

B

5/50 (10)

5/20 (25)

C

9/110 (8.1)

9/50 (18.0)

D

16/150 (10.6)

16/100 (16.0)

E

17/135 (12.6)

17/110 (15.4)

F

19/122 (15.6)

19/95 (20.0)

G

29/126 (23)

29/60 (48.3)

H

22/70 (31.4)

22/58 (37.9)

TOTAL

804/118 (14.7)

503/118 (23.4)

B. In herds of unknown individual brucellosis sanitary status at vaccination not submitted to bacteriological analyses

Municipalities^{c, d}

Abortions and premature deliveries/no. of cows (%)

in the municipality

in pregnant

I

24/217 (11)

24/136 (17.6)

J

85/516 (16.5)

85/381 (22.3)

K

29/202 (14.3)

29/292 (21.4)

K

50/292 (17.1)

50/205 (24.3)

L

94/534 (17.6)

94/367 (25.6)

M

32/150 (21.3)

79/150 (40.5)

N

53/301 (17.6)

53/197 (26.9)

O

42/ 370 (11.3)

42/205 (20.5)

P

26/291 (8.9)

26/209 (12.4)

Q

63/480 (13.1)

63/270 (23.3)

R

106/1108 (9.6)

106/679 (15.6)

S

105/586 (17.9)

105/441 (23.8)

T

126/553 (22.8)

126/438 (28.7)

TOTAL

835/5600 (14.9)

835/3742 (22.3)