Abstract Background Avian eggs have a proteinaceous cuticle. The quantity of cuticle varies and the deposition of a good cuticle in the uterus (Shell-gland) prevents transmission of bacteria to the egg contents. Results To understand cuticle deposition. uterus transcriptomes were compared between hens with i) naturally good and poor cuticle and. https://fitnessgravesyardes.shop/product-category/back-sar-pad/