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The Chihuahua breed is a popular choice if you're looking for a toy-size breed. While they might be small in size, they are big in personality and aren't afraid to let you know just how they feel.
The Chihuahua [a] (or Spanish: Chihuahueño) is a Mexican breed of toy dog. It is named for the Mexican state of Chihuahua and is the smallest dog breed in the world. [ 5 ] It is usually kept as a companion animal .
In 2020, the sequencing of ancient dog genome indicates that in two Mexican breeds the Chihuahua and Xoloitzcuintli derive 4% and 3% of their ancestry from pre-colonial dogs, [10] almost entirely being descended from Eurasian dogs. Their phenotype is a consequence of canine ectodermal dysplasia caused by a mutation on the FOXI3 autosomal gene. [11]
Ultrasound through the molera was also useful in revealing ventriculomegaly in 5 of 20 (supposedly) clinically normal dogs and these included Chihuahua (9 months old, mentation depressed), Lhasa Apso (5 weeks old), 2x Shih Tzu (3 and 5 weeks old) and Affenpinscher (9 weeks old – and returned to breeder because dull).The remaining 15 dogs (14 ...
These toy dog breeds keep their adorable puppy looks their entire lives. The post 34 Toy Dog Breeds That Stay Puppy-Sized Forever appeared first on Reader's Digest.
This makes chihuahuas one of the dog breeds most likely to suffer from separation anxiety. So knowing how to reduce separation anxiety in dogs is vital with this breed.