List of Articles Urea nitrogen Open Access Article Abstract Page Full-Text 1 - Responses of Milk Urea Nitrogen Content to Dietary Rume Degradable Protein Level in Lactating Holstein Dairy Cows H. Rafieei Open Access Article Abstract Page Full-Text 2 - Association between Plasma and Milk Urea on the Insemination Day and Pregnancy Rate in Early Lactation Dairy Cows A. Chaveiro M. Andrade A.E.S. Borba F. Moreira da Silva Open Access Article Abstract Page Full-Text 3 - Effects of Thyme Essential Oil and Disodium Fumarate Alone or in Combination on Performance, Blood Metabolites, Ruminal Fermentation and Microbial Communities in Holstein Dairy Cows H. Baraz H. Jahani-Azizabadi O. Azizi 20.1001.1.2251628.2021.11.2.6.0 Open Access Article Abstract Page Full-Text 4 - Effect of Milk Urea Nitrogen of Dairy Cows in Relation to Breed م.ر. اسلام م.ن. آدین م.ر. آکاندا م.م.اچ. خان م.آ. بیست اس.آ. بلال Open Access Article Abstract Page Full-Text 5 - Blood Biochemical Parameters and Physiological Indices in Fattened Heat Stressed Lambs Fed with Higher Protein Level and Glutamine Supplementation M. Feyz A. Teimouri Yansari Y. Chashnidel E. Dirandeh 20.1001.1.2251628.2021.11.4.13.1