Hatchery Talks® -Getting to the bottom of sex-related first week mortality

"Why are so many chicks dying in their first week?" I could hear the worry in his voice when I received a call from the manager of a single-stage broiler hatchery in southern Brazil. It was a cold winter ­yes, even in this tropical country temperatures can go below 10°C – and he was getting reports of 3-5% of chicks dying in their first week. And in some cases even 10%...