1. Quality of chicken meat from conventional and organic poultry.;Grashorn,2006
2. Vyrobnytstvo orhanichnoi produktsii yak napriam pidvyshchennia konkurentnospromozhnosti pidpryiemstv haluzi ptakhivnytstva;Zhukovskyi;Scientific Bulletin of the National University of Life and Environmental Sciences of Ukraine,2011
3. 4. Kucheruk M.D., Zasiekin D.A., Dymko R.O., Shcherbyna O.A. (2017) Sanitarno-hihiienichni umovy utrymannia ptytsi za orhanichnoho vyroshchuvannia yak chynnyk produktyvnosti [Sanitary and hygienic conditions of poultry keeping for organic cultivation as a factor of productivity]. Bioresources and Nature Management of Ukraine, 5-6, 9. http://journals.nubip.edu.ua/index.php/Bio/article/view/9605
4. Transfer of bioactive compounds from pasture to meat in organic free-range chickens By: Dal Bosco, A.;Mugnai;Poult Sci,2016
5. https://doi.org/10.3382/ps/pev383