NEW DELHI, Feb. 10 -- Imagine you're a murderer in a town full of murderers. Every day, you see angry mobs protesting outside the homes of your fellow killers, calling for justice. Some of the killers even get arrested. But somehow you always get left alone.

On the one hand, you're relieved. You can carry on your killing without facing the consequences. But on the other hand, you're scared stiff of the day they come for you.

For years, that's a bit how it was for dairy farmers. They saw anti-fur protests and the 'Meat is Murder' banners, the hunt saboteurs and the anti-vivisectionists. Other people's cruelty against animals was often exposed, but the horrors of how cows are abused and killed for profit stayed largely hidden.

Despite thei...