Originally Posted by Ducksbane
As a, now part time, sheep and cattle farmer I think that lightning is by far the most likely explanation. I've seen cattle killed by lighting and they are in a little group just like that. I guess out on the steppes there is nothing much else sticking up very high either to attract lightning.
I also remember being told that a really bad place to be during a lighting storm is riding a horse. Probably not a good idea to be standing next to a group of cattle either.
Cattle are very susceptible to kill by lighting. read all about it: http://www.cattletoday.com/forum/vie...hp?f=7&t=70519