Big difference in containing silkies vs other breedsI installed a 4 foot fence and some of my chickens (leghorn, Rhode Island Red) flew out and were killed by my dog. In retrospect I wish I would have gone 5 feet. The chickens that are left (dominique, Campine and Australorp) seem to be content staying in the fence. I also started throwing them some scratch feed in the morning to make staying in the fenced area more attractive. So far so good.