Violent interactions between humans and canines have been studied by the U.S. government,[30] notably the Center for Disease Control and Prevention (CDC),[31] as well as academic veterinary researchers.[1] The interpretation of these studies, breed identification and relevance[32] issues, and variable circumstances have given rise to intense controversy.[33][34][35]
Chihuahuas frequently have what's called a "molera," or an open fontanelle, which is a soft area under the skin of the forehead where the bony plates of the skull have not fused together. It may eventually close up and become hard, but in some dogs, the molera never fully closes. While many dogs can live a normal lifespan with a molera, some may have a condition called hydrocephalus (fluid buildup in and around the brain), which can cause seizures and even death if not treated. A Chihuahua with a molera can live a perfectly normal life, but he is more prone to head injuries so he’s not the best candidate for a home with rambunctious children or bigger, rougher dogs.
A Maltese mixed with Terrier is generally healthy but due to its size, it is fragile. Make sure you handle and play with your Morkie in a gentle manner. It’s not built for the roughhousing that bigger dogs are fond of. This is also why this dog is best suited for a sole owner or a couple with older children. Very young children don’t understand a dog’s fragility yet and could accidentally hurt their pet Morkie.

Forequarters: Shoulders – Lean, sloping into a slightly broadening support above straight forelegs that set well under, giving free movement at the elbows. Shoulders should be well up, giving balance and soundness, sloping into a level back (never down or low). This gives a well developed chest and strength of forequarters. Feet – A small, dainty foot with toes well split up but not spread, pads cushioned. (Neither the hare nor the cat foot.) Dewclaws may be removed. Pasterns – Strong.


Chihuahua puppies can be at risk for hypoglycemia (low blood sugar). Signs of hypoglycemia include lethargy, sleepiness, uncoordinated walking, unfocused eyes, spasms of the neck muscles or head pulling back or to the side, fainting, and seizures. Hypoglycemia can be avoided with adequate nutrition and frequent feedings, especially for Chihuahuas that are younger, smaller, or leaner. Chihuahua owners should have a simple-sugar supplement on hand to use in emergencies, such as Nutri-Cal or corn syrup. These supplements can be rubbed on the gums and roof of the mouth to rapidly raise the blood sugar level.
A related bit of information is that Beagles love to eat. Love it! And they are creative about finding and accessing food. Experienced owners put food, trash cans and anything else that might appear or smell edible to a Beagle well out of reach. On the plus side, that love of food comes in handy for training Beagles. They’ll do just about anything for a treat.
Chihuahua puppies can be at risk for hypoglycemia (low blood sugar). Signs of hypoglycemia include lethargy, sleepiness, uncoordinated walking, unfocused eyes, spasms of the neck muscles or head pulling back or to the side, fainting, and seizures. Hypoglycemia can be avoided with adequate nutrition and frequent feedings, especially for Chihuahuas that are younger, smaller, or leaner. Chihuahua owners should have a simple-sugar supplement on hand to use in emergencies, such as Nutri-Cal or corn syrup. These supplements can be rubbed on the gums and roof of the mouth to rapidly raise the blood sugar level.
The Chihuahua is a tiny toy sized dog. The body is longer than it is tall. The head is well-rounded, apple in shape and the muzzle is short and pointed with a well-defined stop. Puppies have a soft spot on the top of the skull called a "molera," which usually closes by adulthood. The large, round eyes are set well apart and are dark, ruby, and may be lighter in white dogs. Eye color varies and are often dark, but the merle gene can produce a dog with blue eyes. The erect ears are large. Dewclaws may be removed. The tail is long, sickle-shaped and either curled over the back or to the side. The coat can be short, long and wavy or flat. All colors, both solid, marked or splashed are accepted. Colors include, but are not limited to, black, white, chestnut, fawn, sand, silver, sable, steel blue, black & tan and parti-color.
By the fourteenth century, hare-hunting had become a popular sport in England, and the dogs used were probably of Beagle type. The origin of the name Beagle may be from old French words meaning open throat in reference to the breed’s melodious bay, or from the Celtic, old English, or old French words for small. The word Beagle was not used until 1475, however, but can then be found frequently in writings from the sixteenth century on.
Due to their athleticism and diverse breeding background, the Pit Bull breed tends to be hardy, with an average lifespan of 12 to 14 years, longer than many breeds of a similar size. There are some genetic conditions to be watchful for. The Pit Bull tends to suffer from bone diseases such as hip dysplasia, degenerative myelopathy and kneecap dislocation. The Pit Bull can also suffer from skin problems, such as mange and skin allergies, because of its short coat. Other health ailments seen in Pit Bulls include thyroid and congenital heart defects.
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