After calving, it takes 60 to 90 days for cows to resume cycles. This period is called postpartum anestrous. In first calf heifers, postpartum anestrous lasts longer than mature cows. It normally takes 90 to 120 days for first calf heifers to resume cycles.
The Story of Bottled Water. The Story of Bottled Water, released on March 22, 2010 (World Water Day), employs the Story of Stuff style to tell the story of manufactured demandâhow you get Americans to buy more than half a billion bottles of water every week when it already flows virtually free from the tap.
Top 10 bottled waters. This Saturday, March 22 is National Water Day, so why not break out a bottle of H2O to celebrate? Whether you enjoy bubbly or flat water, it can be difficult to choose between all of the thousands of bottled water brands available.