The difference between a pear-headed Chihuahua and an apple-headed Chihuahua is the shape of the skull. An apple-headed Chihuahua has a round, domed skull resembling an apple. The pear-headed, or deer, shape is flatter on top with a longer muzzle, resembling a pear more than an apple.Continue Reading
According to the American Chihuahua Breed Club's official standard, the correct look for a Chihuahua is always the "apple head." The head of the dog should be a domed round shape. Geneticists believe that the apple shape is a result of a combination of mutations causing brachycephalus and hydrocephalus. Brachycephaly is a malformation of the skull that causes it to be "squashed" in front, leading to a shortened muzzle. Hydrocephalus is an excessive amount of fluid around the brain, which can cause serious health problems. The deer shape appears to be somewhat brachycephalic, but is lacking the hydrocephalus-related dome. Pear-headed dogs suffer from fewer health problems and may be easier to obedience train, perhaps because they do not have hydrocephalus.
According to the American Chihuahua Breed Club, many Chihuahuas do suffer from health problems related to hydrocephalus. Symptoms of obstructive hydrocephalus include sleepiness, aggression, difficulty in housetraining, altered gait and, in extreme cases, seizures. However, if the Chihuahua has non-obstructive hydrocephalus there may be no apparent clinical signs.Learn more about Dogs
A merle Chihuahua is a Chihuahua with a dappled coat. Merle is a coat pattern found in many domestic dog breeds; it consists of darker blotches of color on a lighter background of the same hue.Full Answer >
An adult Chihuahua that weighs 5 to 8 pounds should eat 1/2 cup of high-quality dry food twice a day. If the food is not consumed within 15 to 30 minutes, remove it until the next scheduled feeding time.Full Answer >
The Chihuahua needs to be trained using positive reinforcement and an authoritative attitude on the part of the owner. Regardless of the temperament of the Chihuahua puppy, the same technique must be used and owners must remember that while Chihuahuas are very intelligent, they are also quite stubborn.Full Answer >
A micro, mini or teacup Chihuahua is a smaller-than-average Chihuahua. The terms are not official as the American Kennel Club does not recognize any Chihuahua varieties based on size.Full Answer >