Re: thanks!

Table 1: Iodine requirements of food producing animals by the German Society of Nutrition
Physiology (GfE) and the National Research Council in the USA (NRC in mg/kg DM)
Iodine in animal nutrition and Iodine transfer from feed into food of animal origin
Species/
Categories
GfE (German Society of Nutrion Physiology)
(1999, 2001, 2004, 2006)
NRC (National Research Council)
(1994, 1998, 2001)
Cattle
Dairy cows 0.5 0.5
Beef cattle 0.3 0.4
Pigs
Fattening pigs 0.15 0.16
Breeding sows 0.5 - 0.6 0.16
Poultry
Poulets 0.4 0.33 - 0.35
Laying hens 0.5 0.32 - 0.48
Broiler 0.5 0.35
Turkey 0.5 0.40


The amounts are in micrograms per kilo of body mass, hope this helps, spud