puppy growth

My puppy is almost 2 months old. She's really very energetic and playful. But I've recently noticed that she's little bit down for 2-3 days. I've checked her breathing and found out almost 63 times per minute. Is she normal? Is she having a fever?

Weight ranges & lifespan Toy-sized dogs mature fastest, & dogs under 10# are full-grown at 9-MO. That said, no dog should be bred B4 they're 2-YO, for 2 reasons - * 85% of heritable problems will be symptomatic / visible by 2-YO * waiting to mate for the 1st time till they're 2-YO adds an...