Sunday, September 11, 2022
Monday, September 12, 2022
Monday, September 12, 2022
问题:羔羊感染羔羊痢疾病是通过()或()、()、()。...
Sunday, September 11, 2022
问题:可作为一个生态系统成熟程度指标的是()A、P/B值B、P/R值C、BOD值D、COD值...
Sunday, April 27, 2025
Wednesday, March 12, 2025
Sunday, September 11, 2022
问题:硫酸镁注射液可用于(),硫酸镁溶液口服,可用作()。...
Sunday, September 11, 2022
问题:夏季水温突然下降,如突降暴雨往往会在晚上造成鱼类浮头现象,其原因...
Sunday, September 11, 2022
Sunday, September 11, 2022
问题:属于肿瘤性疾病的是()。A、鸡白痢B、鸡霍乱C、鸡马立克氏病...
Monday, January 27, 2025
Sunday, September 11, 2022
问题:以下器官中,属于消化系统的是()。A、脾脏B、口腔C、肝脏D、胃...
Monday, April 14, 2025
Monday, June 23, 2025
问题:当病畜表现为:大汗、味咸、口渴喜饮、四肢湿、呼吸粗、怕热、口色红...
Monday, September 12, 2022
问题:炭疽病的潜伏期自然感染一般为(),最长可达14天。 ...
Sunday, September 11, 2022
Monday, September 12, 2022
Sunday, May 18, 2025
问题:兽药批准文号的有效期是()。A、6年B、5年C、4年D、3年...
Monday, June 23, 2025
Tuesday, May 9, 2023