TABLE A.1.

Details of the 14 studies available for inorganic selenium and analysed selenium concentration in tissues and products from food producing animals.

					Selenium concentrations
					Birds				Fish	Mammals
Study	Source of selenium	Selenium supplementation (mg/kg)	Total selenium in complete feed (mg/kg)	Animal species/category	Fat skin (mg/kg)	Liver (mg/kg)	Muscle (mg/kg)	Offals (mg/kg)	Meat (mg/kg)	Fat (mg/kg)	Liver (mg/kg)	Muscle (mg/kg)	Offals (mg/kg)	Milk (mg/kg)	Whole eggs (mg/kg)
1	Sodium selenite	0.5	0.55	Chickens for fattening	0.130	0.690	0.160	0.740
2	Sodium selenite	0.5	0.56	Chickens for fattening	0.150	0.640	0.140
3	Sodium selenite	0.5	0.59	Turkeys for fattening	0.160	0.710	0.250	0.840
4	Sodium selenite	0.1	0.416	Laying hens											0.244
4	Sodium selenite	0.3	0.536	Laying hens											0.288
5	Sodium selenite	0.3	0.5	Laying hens											0.290
6	Sodium selenite	0.4	0.452	Laying hens											0.220
7	Sodium selenite	0.4	0.46	Laying hens		0.510	0.110	0.440							0.210
8	Sodium selenite	0.4	0.46	Laying hens	0.130	0.510	0.110	0.130							0.208
9	Sodium selenite	0.4	0.46	Laying hens	0.310	0.507	0.101	0.334							0.216
10	Sodium selenite	0.4	0.5	Laying hens		0.810	0.130	0.989							0.248
11	Sodium selenite	0.6	0.57	Laying hens											0.327
12	Sodium selenite	0.3	0.47	Pigs for fattening							0.120	0.048
13	Sodium selenite	0.25	0.4136	Lambs for fattening							0.618	0.130	1.518
14	Sodium selenite	0.35	0.45848	Dairy cows										0.026
Average + 2 Standard Deviation						0.806	0.348	1.013							0.335