TY  - JOUR
AU  - Amani  Firoozabad, esmaiil
AU  - Hassanpour, Ali
AU  - ganj khanloo, amir
AU  - Dolatabadi, Abdollah
TI  - Comparison of serum beta-carotene and vitamin A levels in sheep of Khalkhal region in open and closed breeding system
JO  - Veterinary Clinical Pathology The Quarterly Scientific Journal
VL  - 14
IS  - 54
SP  - 185
EP  - 193
PY  - 2020
DO  - 10.30495/jvcp.2020.515131.1261
ER  -