USDA Climate Head suggests that CO2-induced warm weather will kill our farm animals

USDA Climate Head: Global Warming To Bring More 'Miserable Days' - US News and World Report

The director of the United States Department of Agriculture's Climate Change Program said Wednesday that global warming will cause an increase in the number of "miserable days" over the next several years.
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"As that index gets higher and higher, you see reductions in production and then you see mortality [in farm animals]," he said at Washington, D.C.'s Wilson Center during a discussion on climate change's impacts on public health and agriculture.

2010:  20 million farm animals freeze to death

UP to 20 million farm animals may die in Mongolia before spring as the fiercest winter in living memory grips the country, International Aid Agencies warned today.