An appendage growing from the stem of a plant. Leaves are extremely variable in form and function according to species. For example, the needles of pine trees, the spines of cacti, and the bright red parts of the poinsettia plant are all leaves modified for different purposes.
Take her temperature daily as her expected delivery date approaches. Normally a dog's temperature is between 101 and 102 degrees. When your pregnant dog's temperature drops below 100 degrees, that's an indication she'll have her puppies within 24 hours. Once labor begins, it can last up to 12 hours. If your dog's temperature drops significantly, she's ready to give birth soon.
How Do Dogs Have Puppies? In most cases the pup will be delivered within an hour of the presentation of the water sac, since it is an indication that the pup(s) is in the pelvic canal. The first puppy is usually the most difficult for the bitch to pass, and she may strain quite hard and even moan a bit.