Dog breeds Flashcards
Artificial selection
Humans! Used to increase desirable and potentially diverse genes in a population. Favors certain individuals for breeding
Inbreeding
Mating of close relatives (genetically similar): parent-offspring, sibling-sibling etc
⬆️ recessive genes and heritable defects
⬇️ vigor
Allows for specific traits to be reproduced
Breeders/show dogs, laboratory medicine, naturally occurring
– increases mortality rate and fertility
– polydactylism
Outcrossing breeding
Mating of unrelated animas of the same breed ⬆️gene pool/diversity ⬇️undesirable recessive genes Maintain desirable traits ⬆️vigor
Cross breeding
Mating of two or more species
Wild hybrid
⬆️hardiness, viability, production
Faster growth
AKC
American Kennel Club
Purebred
Mixed breed
Hybrids
Started in 1884
Mission:
-promote sport of purebred dogs and breeding for type and function
-advocate for purebred dog as a family companion
-advance canine health and well being
-work to protect the rights of all dog owners
-promote responsible dog ownership
Groups: sporting, hound, working, toy, non-sporting, herding, miscellaneous
Brachycephalic
Short head Problems: -Stenotic nares -Elongated soft palate -Tracheal stenosis -Heat stress -Dental overcrowding -Skin fold dermatitis (pyoderma) Breeds: Pug, Bulldogs (French, English etc) Pekingese
Mesaticephalic
Average head
Higher incidence of missing first and fourth premolars
Dilochocephalic
Long, tapered head Problems: -Oronasal fistulas -Nasal tumors -Aspergillosis (bacteria that affects the nervous system)
Breeds:afghan hound, collie
Dome shaped head
Due to dystocia (blocked labor due to dome head), babies are delivered via Cesarean section
Open fontanels
Breeds: chihuahua, pug, Frenchies, Pomeranians
Ear shape
Erect
Semi-erect
Floppy (more prone to infections and problems)
Cropped ears: Great Dane, Doberman Pinscher, Miniature Pinscher, pit bull, boxer, giant schnauzer
What is a breed?
A group of animals, who through selection have come to resemble one another and pass on traits
Sporting
Active and alert Likeable, well rounded Instincts in water and woods - hunting and field activities Regular and invigorating exercise
Golden retriever
Great Britain 1800's Sporting Retrieving birds Laid back, easy going Good family dog Health -cancer😲😱😲 all types -obesity
Labrador retriever
Sporting Canada 1800's Aided fisherman Retrieved water fowl Guide dogs and seeing eye dogs Have a lot of energy Good family dog Loves the water Health: -obesity -diabetes mellitus -hip dysplasia
Irish setter
Sporting Ireland 1700's Retrieving game Health: -epilepsy -gastric dilatation volvulus (GDV) Long silky coat
Cocker spaniel
Sporting U.S., Great Britain (Wales) Retrieving game birds Health: -bad bad ear problems, especially chronic ear problems -deafness -skin allergies
Hounds
Used for hunting
Acute olfactory sense and sight
Sting stamina
Baying
Breeds: afghan hound, basset hound, beagle, basenji, dachshund, greyhound
Afghan hound
Afghanistan 1600's Dolichocephalic head shape Hunt gazelle and wolves Very fast Sight hound High maintenance grooming Health: -very low body fat --low anesthesia tolerance --hypothermia
Basset hound
Hound France/Great Britain 1800's Hunted rabbits and hares Health: -Intervertebral disk disease (IVDD) -ectropion -ear problems -patellar luxation -elbow and hip dysplasia
Beagles
Hound Great Britain 1800's Hunted rabbit and hare Two different sizes: -under 13" -between 13-15" Health: -hip dysplasia Hypothyroidism (weight gain, lethargy, alopecia)
Basenji
Hound Africa (Egypt) 1800's Hunting antelope and lions Barking dog yodel Cat like personality Expressive face Health: -1 esterous cycle a year -farconi syndrome --disease of the kidneys, cannot metabolize all drugs
Dachshund
Hound Germany 1900's Flushing badgers out Smooth, long, wire coat Health: -IVDD -Obesity -hip and elbow dysplasia