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.
See your vet if your dog is: Not whelping within 24 hours of the temperature drop. Expelling a greenish or brown fluid without a puppy born within fifteen minutes. In stage one of labor for eight hours without progressing to stage two. In active labor contracting, but not producing a puppy in over two hours.