Table 4 Values used to calculate the performance costs of coccidiosis in broiler and broiler breeder chickens
| Â | UK-1995a | Brazil | Egypt | Guatemala | India | New Zealand | Nigeria | UK | USA |
|---|---|---|---|---|---|---|---|---|---|
5. Cost of broiler mortality due to coccidiosis | |||||||||
 % Mortality due to coccidiosis | 0.5 | 5.5 | 5.5 | 1.0 | 7.5 | 1.5 | 7.5 | 2.0 | 2.0 |
 Value, including chick costs, at 3 weeks | £0.52 | £0.62 | £0.90 | £0.65 | £0.72 | £0.77 | £0.74 | £0.80 | £0.42 |
 Av liveweight at slaughter (Kg) | 2.33 | 2.7 | 2.0 | 1.9 | 2.4 | 2.6 | 2.3 | 2.19 | 2.72 |
 Av slaughter price/Kg | £0.57 | £1.25 | £0.86 | £0.52 | £1.98 | £0.96 | £2.10 | £0.80 | £1.10 |
 Cost of rearing bird to final weight (no chick costs) | £1.02 | £0.95 | £1.01 | £0.79 | £1.50 | £0.62 | £1.68 | £1.12b | £0.36 |
 Total cost of broiler mortality (millions) | £0.05 | £78.52 | £27.96 | £0.96 | £35.92 | £1.14 | £17.73 | £0.90 | £54.45 |
6. Cost of reduced weight due to coccidiosis | |||||||||
 Average broiler weight loss due to coccidiosis (Kg)c | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
 Conservative prediction of weight loss (Kg) | 0.05 | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 |
 Value loss per Kg (selling price per Kg) | £0.57 | £1.25 | £0.86 | £0.52 | £1.98 | £0.96 | £2.10 | £0.80 | £1.10 |
 Total cost of reduced weight gain (millions) | £17.91 | £512.8 | £54.22 | £5.17 | £334.3 | £7.39 | £29.82 | £58.80 | £687.4 |
7. Cost of increased FCR | |||||||||
 Increased FCR as a consequence of coccidiosisc | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
 Conservative estimate FCR increasec | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 |
 Mean formulated feed price per tonne | £180.61 | £280.00 | £251.80 | £393.00 | £318.00 | £297.60 | £315.00 | £275.00 | £218.13 |
 Mean wheat (or other cereal) price per tonne | £113.50 | £140.00 | £160.00 | £178.00 | £150.00 | £192.00 | £150.00 | £160.00 | £145.00 |
 % formulated feed (i.e. not wheat/cereal) | 95 | 85 | 85 | 85 | 80 | 100 | 80 | 90 | 86 |
 Total cost of increased FCR (millions) | £13.15 | £241.4 | £16.88 | £5.95 | £66.26 | £4.42 | £4.03 | £23.60 | £273.9 |
8. Cost reduced egg production by broiler breeders | |||||||||
 % Broiler breeders that were parent hens | 72.4 | 90.9 | 90.9 | 90.9 | 90.9 | 90.9 | 90.9 | 90.9 | 90.9 |
 % Broiler egg hatchability | ni | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 |
 Cost one day old broiler chick | £0.23 | £0.30 | £0.22 | £0.42 | £0.34 | £0.34 | £0.38 | £0.33 | £0.23 |
 Cost of lower broiler breeder egg production (millions) | £0.01 | £0.84 | £0.29 | £0.28 | £0.10 | £0.18 | £0.23 | £0.04 | £1.22 |