To establish metabolic responses for biochemical analytes related to freshwater shortage adaptation, a total of 376 blood samples were collected from feral sheep at the Socorro Island, Revillagigedo Archipelago. Comparisons made between four sampling periods with repeated measurements 0, 7, 14, and 21 d (94 serums: 84 females 10 males). During first week, received daily water ad libitum. second...