id	domain	url
ct-13606	www.pbcattle.com	http://www.pbcattle.com/bull-to-cow-ratio.htm
ct-13606	www.uky.edu	http://www.uky.edu/ag/animalsciences/pubs/kybeefbook04.pdf
ct-13606	www.thebeefsite.com	http://www.thebeefsite.com