According to its size, the weight of the Mastiff male at 3 months should be between 22.9 and 30 kg. At 6 months, the Mastiff male weighs on average between 41.7 kg for the smallest individuals and 55 kg for the largest individuals.
How much should a 6 month old English bulldog male weigh? about 20 kilos. . old English mastiff? My Mastiff is about 26 1/2" and 105 lbs at 8 months old.
Weight Chart Age Male / Female (in lbs) 8 wks 29/24 9 wks 33/29 10 wks 36/32 11 wks 40/36 3 months 45/39 4 months 60/50 5 months 80/65 6 months 100/80
