Iodine content in egg yolk during its excessive intake by laying hens
1999
Kroupova, V. | Travnicek, J. | Kursa, J. | Kratochvil, P. | Krabacova, I.
The objective was to define the level of iodine load of layers compatible with the animal health and with the aim to achieve the required iodine content in egg yolk. Iodine load was studied in four groups of layers of the type Brown Hisex. An addition of 3.5 mg I per 1 kg of mixture N1 to diets for layers without any previous iodine load was found best for the production of iodine-enriched eggs as an occasional supplement to cover the iodine need of humans. Following a 10-week load of layers it is possible to produce eggs with an average content of 5 000 micro g I per 1 kg fresh yolk in the first three weeks and of 17000-20000 micro g I in the next seven weeks.
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