WEIGHT CHANGES OF SOME VITAL ORGANS AT THE OLD LAYING HENS DURING THE REJUVBNATION AND THE PEAK OF SECOND LAYING CYCLE Posted on 21/03/202321/03/2023 by Filev Kiril dr.sc. N. Gjorgovska, K. Filev Weight-changes-of-some-vital-organs-at-the-old-laying-hens-during-the-rejuvbnation-and-the-peak-of-second-laying-cycle