From: Prevalence of bovine fascioliasis and economic impact associated with liver condemnation in abattoirs in Mongu district of Zambia
Category
2013
2014
2015
2016
2017
Total
Lightly
1389
1625
1714
1254
1412
6394 (14.4%)
Moderately
2052
1874
3682
3252
2637
13,497 (30.3%)
Severely
4107
3528
7358
4878
4749
24,620 (55.3%)
TOTAL
7548
6027
12,754
9384
8798
44,511 (64.4%)