Border Collie; Chihuahua; Dachshund; Great Dane; Shetland Sheepdog; While merle dogs are undeniably beautiful, it’s important to note that the merle gene can also be associated with some health concerns. Breeding two merle dogs together can result in a higher likelihood of deafness, blindness, and other health issues in their offspring.
Health Issues of Red Merle Border Collie. There are numerous health issues brought by the merle gene in dogs. First and foremost, it causes deafness and blindness, as well as UV sensitivity and a higher incidence of skin cancer. These are more observable in homozygous merles (MM) than heterozygous merles (Mm).
The problems with double merles. Mating two merle dogs with each other ensures merle pups, but each of those pups will have a one in four chance of inheriting double merle colouration. A double merle dog has a greatly elevated chance of inheriting not only their distinctive coat colour, but also a range of health problems too – such as
The Bordoodle, also called the Borderpoo, Borderdoodle, or Borpoo is a hyper-intelligent, energetic, and sensitive designer dog. Playful and friendly, the Border Collie and Poodle mix is an excellent choice for active owners. You may be interested in the gorgeous teddy-bear looks of a golden Bordoodle or have your heart melted by a mini Borderpoo.
Border Collies have a lifespan of 12 to 15 years however all-white or Double Merle Border Collies may have a shorter lifespan due to their health issues. There are many factors that affect the lifespan of a Border Collie including size, gender and whether they are desexed or intact.
This Border Collie type has a typical double merle coat pattern. However, the full pigment on the nose and around the eyes suggests that she may in fact just be a high-white normal merle. It would be unusual for a double merle to have so much pigment. Here we have a probable harlequin double merle. Harlequins are merles with a modifier that
A blue merle Border Collie’s health/genetic problems Not only is the merle pattern gene complicated, but it’s also associated with potential health concerns. All dogs that are bred and cared for properly are generally healthy, but they can still be susceptible to genetic health problems.
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merle border collie health issues
