TY - JOUR ID - 103795 TI - Studies on incidence and pathology of neoplasms of reproductive system of cull laying JO - Archives of Razi Institute JA - ARI LA - en SN - 0365-3439 AU - Mahjoor, A.A. AU - Nili, H. AD - Y1 - 2006 PY - 2006 VL - 61 IS - 3 SP - 149 EP - 157 KW - Neoplasm KW - Cull laying hens KW - reproductive system DO - 10.22092/ari.2006.103795 N2 -   This study was performed to determine the incidence and anatomo-pathological aspects of the reproductive system tumors in commercial laying hens. Post mortem examination of 1041 laying hens revealed neoplasms of the ovaries and the oviduct in 52 (4.99%) cases. From these, ovarian adenocarcinoma was found in 14 cases, granulosa cell tumor in 7 cases, theca cell tumor in 1 case and Marek's disease in 3 cases. Oviductal adenocarcinoam was observed in 17 cases, adenomatosis in 2 cases and leiomyoma in 8 cases. The macroscopic and light microscopic characteristics of these tumors were reported in details. UR - https://archrazi.areeo.ac.ir/article_103795.html L1 - https://archrazi.areeo.ac.ir/article_103795_c1ff8264ec718ef8462e3711fafb2767.pdf ER -