英语语法分析

It is necessary to apply this technology to strengthen the research in ruminal protozoal's function and interaction with other ruminal microorganism.

有必要应用此技术，深入研究瘤胃原虫功能，及其与其他瘤胃微生物的互作。

Ruminal smooth muscle tissue of goats (42 days of age) was collected, and ruminal smooth muscle cells was cultured in vitro by the method of collagenase digestion.

采集42日龄山羊的瘤胃肌肉组织，采用胶原酶消化法进行了山羊瘤胃平滑肌细胞的体外培养。

The present study was divided into 9 trials to discuss the rule of degradation of vitamin A in rumen and evaluate the effects of ruminal protected vitamin A on dairy cows.

本论文共分9个试验对奶牛维生素A的瘤胃降解规律进行研究，并对过瘤胃保护维生素A的效果进行评价。