The next two , to come into effect jan. 1 , 2013 , are bans on castrating pigs and confining pregnant sows in stalls .

接下来两个会在2013年1月1号生效的是禁止阉割猪和限制猪圈中怀孕母猪。

One hardliner said his opponents were " castrating conservative ideas " .

一位死硬派甚至声称他的党内对手“使保守思想丧生了力量”。

So castrating the male hippos is essential .

所以给雄性河马做阉割手术是必不可少的。

Later , in 243 bce asoka issued another edict banning the slaughter , branding , castrating of domestic animals on certain days of each month .

稍后在公元前243年，阿育王颁布另一项法令，禁止在每月的特定日子屠宰、打烙和阉割禽畜。

In previous centuries , both europe and asia had a custom of castrating some young boys , although for different reasons : in europe the boys were castrated in order to train them as opera stars ( so-called castrati ) , i.e. male singers with very high and very strong voices .

几个世纪前，尽管有不同的理由，欧洲和亚洲都有阉割男孩的习俗。在欧洲，阉割男孩是为了训练他们做歌剧明星（被称为去势者），既唱很高音阶和响亮声音的男歌手。