副鸡嗜血杆菌A、B型攻毒用菌液制备方法的研究

通过对副鸡嗜血杆菌A型、B型攻毒用菌液的活菌计数及预攻毒效果的比较,得出使用A型菌液攻毒,菌液制备的较佳条件是:菌种接种于鸡肉汤琼脂板,5%二氧化碳,37℃培养48小时后,挑取典型菌落,接种鸡肉汤培养基,摇菌8小时后,按兽药典方法要求进行攻毒。使用B型菌液攻毒,菌液制备的较佳条件是:菌种接种于鸡肉汤琼脂板,5%二氧化碳,37℃培养16小时后,挑取典型菌落,接种鸡肉汤培养基,摇菌6小时后,按兽药典方法要求进行攻毒。

同绘苗家金叶秋

很久了,一直想写一点关于排碧的文字,但总是无处下笔。虽然,这些年不知从排碧经过了N次,产生过无数次的冲动,可W次都是被四个轮子的家伙载着,停不下匆匆的脚步。

苗族丧葬习俗(英文)

The Miao continue a special tradition of inhumation,or burial in the ground.After the tombsite and date are chosen by the local geomancer,several steps must be taken to release the soul of the dead.The host of the ceremony burns talisman paper in the grave and draws talismans in the tomb with white stone sand.He draws eight diagrams.Then,he brings a rooster to eat rice sprinkled in the tomb,after which the coffin is placed in the grave.The core philosophy of this funeral rite is