Heart Disease: Heart disease affects these dogs in several forms, with aortic stenosis being most common. Aortic stenosis is a congenital heart defect, meaning it's something the dog is born with. It's an abnormal narrowing of the connection between the left ventricle and the aorta. Some dogs don't have any signs or only minor signs, while others may have little energy or even die suddenly. If your veterinarian hears a heart murmur, a chest x-ray and electrocardiogram can confirm the diagnosis.
They have a smooth, somewhat domed skull with a medium-length, square-cut muzzle and a black (or occasionally liver) gumdrop nose. The jaw is strong and the teeth scissor together with the upper teeth fitting perfectly over the lower teeth and both sets aligned square to the jaw. The eyes are large, hazel or brown, with a mild hound-like pleading look. The large ears are long, soft and low-set, turning towards the cheeks slightly and rounded at the tips. Beagles have a strong, medium-length neck (which is long enough for them to easily bend to the ground to pick up a scent), with little folding in the skin but some evidence of a dewlap; a broad chest narrowing to a tapered abdomen and waist and a long, slightly curved tail (known as the "stern") tipped with white. The white tip, known as the flag. has been selectively bred for, as it allows the dog to be easily seen when its head is down following a scent.[31] The tail does not curl over the back, but is held upright when the dog is active. The beagle has a muscular body and a medium-length, smooth, hard coat. The front legs are straight and carried under the body while the rear legs are muscular and well bent at the stifles.[32]
Now, the actual amount of shedding depends on whether the coat is single or double. NOT on whether the coat is short or long, but whether it is double (outer coat plus undercoat) or single (just an outercoat). Remember we talked about single and double coats earlier. Whether a coat is short or long, the double coats shed more than the single coats. Which makes sense.
Finally, a long coat can be a single coat, with no undercoat. A single coat lies flatter against the body than a double coat because there's no undercoat pushing it away from the body. In fact, some long coated Chihuahuas hardly look longhaired at all and are mainly identified by the tufts of hair around the base of their ears and some feathering on their legs, stomach, and tail. A single coat feels the cold more, but is easier to groom and sheds less than a double coat.

The Beagle has an average lifespan of 12 to 15 years. While this breed is generally healthy overall, some specific ailments that are known to affect the Beagle breed are patellar luxation, glaucoma, epilepsy, central progressive retinal atrophy (CPRA), hypothyroidism, distichiasis, chondrodysplasia, cherry eye, and keratoconjunctivitis sicca (KCS). Deafness, cataract, hemophilia A, demodicosis, and umbilical hernia are some other health problems that affect the breed, while some major ailments include primary carnitine deficiency (CUD) and intervertebral disk disease. Some exams used to identify these conditions include hip, thyroid, and eye tests.
The Beagle has an average lifespan of 12 to 15 years. While this breed is generally healthy overall, some specific ailments that are known to affect the Beagle breed are patellar luxation, glaucoma, epilepsy, central progressive retinal atrophy (CPRA), hypothyroidism, distichiasis, chondrodysplasia, cherry eye, and keratoconjunctivitis sicca (KCS). Deafness, cataract, hemophilia A, demodicosis, and umbilical hernia are some other health problems that affect the breed, while some major ailments include primary carnitine deficiency (CUD) and intervertebral disk disease. Some exams used to identify these conditions include hip, thyroid, and eye tests.
Beagles imports began arriving in America in the years after the Civil War, and their popularity among U.S. rabbit hunters was immediate. The AKC registered its first Beagle, named Blunder, in 1885. To this day, “beaglers” in woodsy areas of North America still swear by their breed’s great nose, musical voice, and enthusiastic approach to rabbit hunting.
The Chihuahua's history is convoluted, and many theories surround the origin of the breed. Both folklore and archaeological finds show that the breed has origins in Mexico. The most common theory is that Chihuahua are descended from the Techichi, a companion dog favored by the Toltec civilization in Mexico.[2] No records of the Techichi are available before the 9th century, although dog pots from Colima, Mexico, buried as part of the western Mexico shaft tomb tradition, which date back to 300 BC, are thought to depict Techichis.[3] The earlier ancestors probably were present before the Mayas as dogs approximating the Chihuahua are found in materials from the Great Pyramid of Cholula, antedating 1530 and in the ruins of Chichen Itza on the Yucatán Peninsula.[2] However, a genetic study indicated that there was less than 2 percent pre-European mitochondrial DNA in modern Chihuahuas due to admixture with the European dogs.[4]
Chihuahuas occur in virtually any color combination, from solid to marked or splashed,[19] allowing for colors from solid black to solid white, spotted, sabled, or a variety of other colors and patterns. Colors and patterns can combine and affect each other, resulting in a very high degree of variation. Common colors are fawn, red, cream, chocolate, brown, mixed, white, and black. No color or pattern is considered more valuable than another.
Beagles are generally healthy, but certain health problems can affect them if breeders aren’t careful about performing health checks. They include hip dysplasia, a genetic malformation of the hip socket and certain types of heart conditions. Despite good breeding, Beagles may experience tears of the anterior cruciate ligament, which can require surgical repair, and intervertebral disc disease, a spinal problem that can make movement painful and may require surgical repair.
Apart from different types of Chihuahuas, breeders across the world started cross-breeding Chihuahuas with other dog breeds in order to create breeds of mixed traits. The result of cross-breeding Chihuahuas with other dog breeds such as Pomeranian dogs, Pembroke Welsh Corgis, Boston Terriers, Pugs and so on, usually ends up in a dog breed of a Chihuahua's body size and the other parent breed's coat color and fur traits.

Alongside the Bloodhound and Basset Hound, the beagle has one of the best developed senses of smell of any dog.[35] In the 1950s, John Paul Scott and John Fuller began a 13-year study of canine behavior. As part of this research, they tested the scenting abilities of various breeds by putting a mouse in a one-acre field and timing how long it took the dogs to find it. The beagles found it in less than a minute, while Fox Terriers took 15 minutes and Scottish Terriers failed to find it at all. Beagles are better at ground-scenting (following a trail on the ground) than they are at air-scenting, and for this reason they have been excluded from most mountain rescue teams in favor of collies, which use sight in addition to air-scenting and are more biddable.[35] The long ears and large lips of the beagle probably assist in trapping the scents close to the nose.[36]
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.

A disease that seems to be increasing among Chihuahuas is GME, which stands for Granulomatous Meningoencephalitis. It is becoming more frequent among the apple head Chis. It is, at this time, a very poorly understood central nervous system disease that suddenly strikes without much warning. It comes in three types: focal (lesions in the brain or spine); multifocal (lesions in both brain and spine as well as eyes); and optical (causing blindness. There are several current methods of treating it currently and which continue to be updated as more research is done. While there are methods of controlling it in those dogs who survive the first two weeks, unfortunately, there is no true cure. It can go into remission, sometimes for years, but can always resurface. The medications, testing, etc. in the beginning in order to properly diagnose, the cost is in the thousands and many, many more thousands will need to be spent over the remaining years of the dog's life. While GME occurs in many other breeds (generally the toy breeds though there are some others, there is a tremendous number of Chihuahuas with it. Interestingly, deer head Chihuahua's do not tend to be prone to GME, only the apple-head type.
In Beagles, you should expect to see health clearances from the Orthopedic Foundation for Animals (OFA) for hip dysplasia (with a score of fair or better), elbow dysplasia, hypothyroidism, and von Willebrand's disease; from Auburn University for thrombopathia; and from the Canine Eye Registry Foundation (CERF) certifying that eyes are normal. You can confirm health clearances by checking the OFA web site (offa.org).
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.

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