Table 4 Analysis of variance of abortion rate for urban/peri-urban herds in Kampala and Gulu

Herd size

>0.15

 <3 cows

13.14 ± 0.02

 3-8 cow

12.46 ± 0.02

 >8 cows

07.02 ± 0.01

Age at weaning

0.003

 2-3 months

11.44 ± 0.02^a

 4 months

07.21 ± 0.01^b

 ≥5 months

14.00 ± 0.02^c

Farm infrastructure

0.01

 Multiple infrastructure

13.54 ± 0.01

 Single or none

08.20 ± 0.01

Type of farm

0.0001

 Commercial

15.93 ± 0.01

 Subsistence or subsistence–commercial mix

05.81 ± 0.01

Herd size*type of farm interaction

 <3 cows * Commercial farming

<0.13

22.71 ± 0.03

 <3 cows * Subsistence or subsistence–commercial mix

03.56 ± 0.03

 3-8 cows * Commercial farming

>0.15

15.50 ± 0.02

 3-8 cows * Subsistence or subsistence–commercial mix

09.42 ± 0.03

 >8 cows * Commercial farming

>0.15

09.59 ± 0.02

 >8 cows * Subsistence or subsistence–commercial mix

04.45 ± 0.01