Table 5.
(a) Maximum (Max.) and average (Av.) number (no.) of compounds found in samples and defined subsets; (b) Number of samples in region and country subsets. Unless explicitly noted, only subsets with 40 or more samples (in bold in the table) were employed for detailed analysis in order to ensure representativity. Statistical data available in Table 1; (c) Countries assigned to regions used for analysis of data. Data for regions in italics were not reported due to a too small sample size (with the exception of Africa).
| (a) | Number of Metabolites | ||
| All 1926 Samples, | All Matrices | ||
| 380 compounds measured, | |||
| 162 quantified | |||
| Max. no. of compounds per sample | 68 | ||
| Compounds in samples, conc. >1 g·kg | 59 | ||
| Av. no. of compounds in all samples | 28 | ||
| Av. no. of compounds, conc. >1 g·kg | 24 | ||
| Number of metabolites | |||
| Subset 1113 samples, | Finished feed | Maize | Maize silage |
| 57 metabolites quantified | |||
| Max. no. of compounds per sample | 35 | 29 | 28 |
| Compounds in samples, conc. >1 g·kg | 31 | 26 | 20 |
| Av. no. of compounds in all samples | 16 | 12 | 11 |
| Av. no. of compounds, conc. >1 g·kg | 13 | 10 | 9 |
| (b) | Number of Samples | ||
| Finished Feed | Maize | Maize Silage | |
| Region subsets | |||
| All samples | 708 | 267 | 138 |
| Africa | 24 | 7 | 1 |
| South Africa | 74 | 53 | 28 |
| Central Europe | 335 | 76 | 78 |
| Eastern Europe | 45 | 9 | 1 |
| Northern Europe | 68 | 4 | 12 |
| Southern Europe | 90 | 11 | 2 |
| Middle East | 23 | 0 | 0 |
| North America | 27 | 30 | 15 |
| South America | 22 | 77 | 1 |
| Country subsets | |||
| Austria | 64 | 18 | 26 |
| Germany | 89 | 32 | 38 |
| Hungary | 67 | 2 | 3 |
| Italy | 53 | 2 | 2 |
| The Netherlands | 40 | 7 | 9 |
| (c) Countries in region (total of 46) | |||
| Africa: Algeria, Ivory Coast, Kenya, Senegal, Tunisia, Tanzania, Uganda, Zambia | |||
| South Africa: South Africa | |||
| Central Europe: Austria, Belgium, Czech Republic, France, Germany, Hungary, The Netherlands, Poland, | |||
| Romania, Switzerland | |||
| Eastern Europe: Bulgaria, Russia, Ukraine | |||
| Northern Europe: Denmark, Finland, Iceland, Ireland, Norway, Sweden, United Kingdom | |||
| Southern Europe: Croatia, Italy, Spain, Portugal, Turkey | |||
| Middle East: Israel, Jordan | |||
| North America: United States, Canada | |||
| South America: Argentina, Brazil, Bolivia, Chile, Colombia, Ecuador, Paraguay, Peru | |||