育雏温度适宜的情况有()。 ["雏鸡表现活泼","食欲良好","饮水较多","张口呼吸","鸡群满天星形工分布"]
有关胰头的描述哪项正确?() ["被十二指肠包绕","是胰的左侧部,较膨大","左前方与十二指肠降部之间有胆总管经过","位于第2腰椎体的左前方","向右下侧突出一小叶为钩突"]
原发性肺脓肿最常见感染的细菌是() ["大肠杆菌","葡萄球菌","粪球菌","厌氧菌","星形诺卡菌"]
男,65岁。因咳嗽、咳痰、伴发热2d入院,痰为脓臭痰,下列与患者此次发病关系最密切的病史是() ["1周前接种流感疫苗","2周前下肢皮肤化脓性感染","近期牙周炎发作","长期大量吸烟","反流性食管炎病史"]
育成鸡的饲养与管理主要有()。 ["换料","限制饲喂","加强防疫","分群管理","转群"]
IPQC采用的检验方式是在生产过程中的各工序之间巡回检查,所以又称为()。