I'm not a professional, but both of my Biewers stopped gaining around 6 months old. They filled out a bit, but havent' gained weight.
Only gaining 12 ounces in 8 months is very odd, especially if she was 2 lbs at 6 weeks. If it was me, I would be having her liver functions tested, b/a, and a complete blood panel just to be sure nothing is holding back her growth. JMO |