IVE BEEN TELLING THAT JOKE for almost 2 years on posts with cows at 2 forums .......
now thankfully one forum

i heard it in an excellent documentary on a seattle rock band whose female lead
and amazineg talent[ ...her name escapes me ..had .her life tragically cut short by a brutal rape\ murder that was solved 10 years after the fact, so the documentary told ,,
she told that joke when passing fields of cows while touring with her band ......
she was a great wit and poet and a great rocker too as i learned .......