Both ovaries were cut in the castration group.3.

去势组切除双侧卵巢。

In a word, he must be a toughman. During the process of becoming a subject, he have to sustain a serial of trial, such as split, castration, struggle as we!

一句话，就是要作个不折不扣的“硬汉”，要能经受得住在成为主体的过程中所必须遇到的“分裂”、“阉割”、“斗争”与“死亡”等等一系列的考验。

In late 1960s, Hormone immuno-nutralization techniques emerged on the foundation of immunology, biochemistry and endocrinology. Hormoneimmuno-nutralization techniques offered a new alternative to traditional surgical castration in animal production.

自20世纪60年代末，在免疫学、生物化学、内分泌学等学科的基础之上，逐渐兴起一门边缘学科——激素免疫学，为探讨取代动物传统外科阉割的新方法提供了新的思路。