最后，泌乳期饲料一般都不含有B族维生素和抗球虫药。
Finally, lactation complete feeds do not contain added B-vitamins or coccidiostat.
本文从牛乳脂肪球的结构特点出发，从不同角度分析探讨了牛乳脂肪球的稳定性及其影响因素，为探讨酒精阳性乳的形成机理提供了理论依据。
Based on the structural characteristics of fal globule of cow milk, stability ami affecting factors of fat globule of cow milk was studied in the current paper.
复乳法是制备蛋白质药物plga微球最常用的方法。
The double emulsion method is the often used technique for preparation of protein drugs loaded PLGA microspheres.
方法：以鸡新城疫病毒（NDV）作为疫苗模型药物、乳酸-羟基乙酸共聚物（PLGA）为载体材料，采用W/O/W复乳-溶剂挥发法制备NDV-PLGA口服微球。
METHODS:Newcastle dis-ease virus(NDV)vaccine was used as model drug, and PLGA as carrying agent to prepare NDV-PLGA oral microspheres by W/O/W emulsifying-solvent evaporation technique.
方法：以鸡新城疫病毒（NDV）作为疫苗模型药物、乳酸-羟基乙酸共聚物（PLGA）为载体材料，采用W/O/W复乳-溶剂挥发法制备NDV-PLGA口服微球。
METHODS:Newcastle dis-ease virus(NDV)vaccine was used as model drug, and PLGA as carrying agent to prepare NDV-PLGA oral microspheres by W/O/W emulsifying-solvent evaporation technique.
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