Tootsie turned 20 weeks old today. At 18wks she weighed 2.6 pds. At 20 wks. today she weighed 3.2pds, Is this too much weight gain in 2 weeks? Could there be something wrong with her? Only thing changed in diet is I accidently got 4% cottage cheese instead of 2%-changed it 2 weeks ago.... Do they gain lots of weight if the get worms... Also normally at vet I weigh her at 8:30 am, I weighed her today a 3 pm. Would that make a big weight difference. My other yorkie is a big girl 8 pds at 7 months don' even remember her gaining that fast. When I got Tootsie at 12 weeks she weighed 1.5 pds. So she has doubled her weight in 8 weeks? Too much?? Thank you and God Bless!!!