Thailand puts panda on low-carb sex diet Sun Jan 14, 1:07 AM ET BANGKOK (AFP) - A male panda in Thailand has been put on a low-carb diet because he is too heavy to mate with his partner, his caretakers have said. Chuang Chuang weighs 150 kilos (330 pounds), while his partner Lin Hui is a lithe 115 kilos (253 pounds), said Kannika Nimtragol, a veterinarian at the Chiang Mai zoo in northern Thailand. "We think Chuang Chuang should not weigh over 140 kilogrammes. Otherwise Lin Hui will carry too much weight while mating," she told AFP. To help Chuang...