Division 8 Results of a collaborative study
United Kingdom
An EC collaborative study was arranged in which four samples of poultry and rabbit feed, in meal or pelleted form were analysed by 12 laboratories. Duplicate analyses were performed on each sample. The results are given in the table below:
| Poultry | Rabbit | |||
|---|---|---|---|---|
| Meal | Pellet | Meal | Pellet | |
| Mean [mg/kg] | 27,0 | 27,99 | 43,6 | 40,1 |
| sr [mg/kg] | 1,46 | 1,26 | 1,44 | 1,66 |
| CVr [%] | 5,4 | 4,5 | 3,3 | 4,1 |
| SR [mg/kg] | 4,36 | 3,36 | 4,61 | 3,91 |
| CVR [%] | 16,1 | 12,0 | 10,6 | 9,7 |
| Recovery [%] | 90,0 | 93,3 | 87,2 | 80,2 |
sr
standard deviation of repeatability,
coefficient of variation of repeatability, %
standard deviation of reproducibility,
coefficient of variation of reproducibility. %