Effects of Different Levels of Urea in Diets on Haematological Indices，Serological Parameters and Tissue Lesions in Mutton Sheep
WANG Bo，JIANG Cheng-gang，JI Shou-kun，WANG Li-wen，DING Jian，SI Bing-wen，TU Yan，ZHANG Nai-feng，DIAO Qi-yu
ACTA VETERINARIA ET ZOOTECHNICA SINICA . 2014, (9): 1449 -1456 .  DOI: 10.11843/j.issn.0366-6964.2014.09.010