获得297的好评回答@Richard Hobson：

This paragraph from a BBC blog cannot be beaten as a clear and concise explanation..in short, they are VERY hard to milk…!

以下这段摘自BBC的博客，我要说的更加直截了当，简而言之就是，要挤猪奶是难上加难！

Although pigs’ milk is high in fat (around 8.5% compared to cows milk at 3.9%) and is an excellent source of nutrients, sows are very difficult to milk.

尽管猪奶的脂肪含量很高（差不多在8.5%高于牛奶3.9%脂含量），而且猪奶的营养丰富，但是猪奶很难挤。

They have around 14 teats compared to a cow’s four, and they don’t take very kindly to having them touched by humans. They also get very agitated if you try to restrain them.

比起牛的四个奶头，猪有14个奶头，但你要去伸手触碰，他们会极其不配合。

Pigs also have a limited milk ejection time of around 15 seconds, whereas a cow’s can be up to 10 minutes.

如果你想要控制它们，会招致它们的愤怒。

All in all, it’s a pig-shed load of trouble to milk a porker.

此外，与牛出奶10分钟相比较，猪只有短短15秒。总之，想要挤猪奶，等着你的就是麻烦一箩筐。

Personally.. I would imagine that no one would really want to try that hard..pigs are low to the ground, and in non-wild conditions are notably smelly and muddy!

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