It is planned to divide the operation into 5 stages.
Each of the first 4 stages (sub-studies I,II,III,IV on farms A, B, C, D) will consist of the following:
1) preparation of 4 dedicated poultry houses on 4 separate farms for testing, including: mineral disinfestation (pollination),
2) provision of experimental feed and bedding in accordance with the guidelines for the composition of the mixture of natural minerals to be tested and the test methodology,
3) carrying out the production process, which is planned to last for 42 days, during which time research will be carried out (production rates, microclimate and welfare conditions),
4) at the end of the production period, the slaughter chickens will be slaughtered and dissected (in accordance with the methodology, tests will be carried out on the physico-chemical characteristics of the meat, histological, biotechnological, haematological).