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The breeding of two Merle dogs runs a high risk (in all breeds) of sight and hearing defects in the offspring. As a “solid” (dog not showing the Merle pattern) may still genetically be a Merle, it is vital to perform a full DNA Merle sequence test to determine the “lengths” of Merle in each dog so that the safest breeding practices are ...
Blue merle Border Collie puppy Red merle Australian Shepherd. Merle is a genetic pattern in a dog's coat and alleles of the PMEL gene. It results in different colors and patterns and can affect any coats. The allele creates mottled patches of color in a solid or piebald coat, blue or odd-colored eyes, and can affect skin pigment as well. Two ...
The Australian Shepherd, Shetland Sheepdog, Rough Collie, Smooth Collie and Old English Sheepdog are more popular as family companion dogs. [1] Dogs of herding breeds now often live in urban or suburban neighbourhoods. Their owners need to maintain their physical and mental health, taking into consideration their herding instinct and qualities.
The merle gene also affects the skin, eye colour, eyesight and development of the eye and inner ear. Merle M/m puppies develop their skin pigmentation (nose, paws, belly) with speckled-edged progression, equally evident in e/e merles except when extensive white markings cause pink skin to remain in these areas. Blue and part-blue eyes are common.
Dog breed Australian Cattle Dog A blue Australian Cattle Dog Other names ACD, Cattle Dog, Blue/Red Heeler, Queensland Heeler Origin Australia Traits Height Males 46–51 cm (18–20 in) Females 43–48 cm (17–19 in) Weight 15–22 kg (33–49 lb) Coat short double coat Color blue, blue mottled, blue speckled, red mottled, red speckled Kennel club standards ANKC standard Fédération ...
Rough Collies generally come in shades of sable and white (sometimes mahogany), blue merle, tri-coloured, and colour-headed white. Originating in the 19th century, [ 1 ] the breed is now well known through the stories of author Albert Payson Terhune about his dog Lad , and later with Eric Knight 's character of Lassie and her novels, movies ...
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Red merle Border Collie. Female. Blue merle Border Collie. Female. Black & white Border Collie. Male. Chocolate Border Collie. Male. Border Collies are, on average, medium-sized dogs with a moderate amount of coat, which is often thick and prone to shedding. They have a double coat that varies from smooth to rough and is occasionally curled ...