It is an Italian word having the same meaning in English and in Spanish. In English it is spelled with two l's. as allegro. In Spanish it is spelled with only one l as in alegro. To determine the meaning:
Veterinary Scales. Weigh all types of pets with more precision than most other veterinary weight scales on the market. Adam Equipment CPWplus 75L may be used for dogs that weigh up to 165 ... Weigh small and medium sized animals with this portable veterinary scale from Tree.
How much your dog should weigh depends on several factors, for example breed, sex, height and general stature. It is often incorrect to look at the breed average and think this weight is correct for your dog. The correct weight for your dog, is what they weigh when they have a perfect body condition score. A dog at perfect body condition score should have ribs that are EASILY felt (ahem, Cadbury), the lumbar waist should be visible, there should be clear muscle definition, thin fat cover and an abdominal tuck.