Table 8.
Average difference in earnings per bird in F1-K1 (E. coli vaccinated) in comparison to F1-K2 (not vaccinated) chicken house.
| Farm | Production cycle | Earning per bird in K1 vs K2 (PLN) |
|---|---|---|
| F 1 | 1 | −0.081 |
| 2 | 0.459 | |
| 3 | 0.048 | |
| Average | 0.141 |
Earnings were calculated with the use on following formula: [(sale price1 average final BW) - %mortality and condemnation] – [(veterinary expenses/number of birds) + (average final BW1 FCR1 cost of 1 kg of feed)].
1
Earnings per bird in the E. coli–vaccinated chicken house was 0.14 PLN (approximately 0.031 EUR, if 1 EUR = 4.52 PLN and 0.037 USD, if 1 USD = 3.76 PLN) higher.