4. PUPPIES TAKE A LOT OF NAPS.
Like children, puppies need a lot of sleep—up to 15 to 20 hours of it a day. The American Kennel Club strongly advises dog owners to resist the urge to disturb napping puppies, because sleep is critical for a young canine’s developing brain, muscles, and immune system. Puppy owners should also establish a designated sleeping space on their pup’s behalf so they can snooze undisturbed.
5. CERTAIN BREEDS ARE USUALLY BORN BY C-SECTION.
Purebred dogs can exhibit some extreme bodily proportions, which doesn’t always make for easy births. Breeds with atypically large heads are more likely to be born by C-section than those with smaller skulls. A 2010 survey of 22,005 individual dog litters in the UK found that terriers, bulldogs, and French bulldogs had Caesarian births more than 80 percent of the time. The other breeds with the highest rates of C-sections were Scottish terriers, miniature bull terriers, Dandie Dinmont terriers, mastiffs, German wirehaired pointers, Clumber spaniels, and Pekingeses, according to the study.
6. SOME BREEDS HAVE BIGGER LITTERS THAN OTHERS.
As a general rule, smaller breeds tend to have smaller litters, while bigger dogs give birth to more puppies. The biggest litter on record was born to a Neapolitan mastiff that gave birth via Caesarian section to a batch of 24 puppies in Cambridgeshire, UK in 2004. In rare cases, very small dogs do give birth to relatively large litters, though. In 2011, a Chihuahua living in the English town of Carlisle gave birth to a whopping 10 puppies—twice as many as expected. Each weighed less than 2.5 ounces.