Exam 1- Introduction to Companion Animal Science

Canis lupus

What is the scientific name for the grey wolf?

Arabian Wolf

What is a subspecies of the grey wolf?

31, 39 (8 extinct)

How many subspecies of grey wolf are there now? And How many were there previously?

Subspecies

natural selection; differ morphologically (form/structure) from original; & geographically

Breed

based on artificial selection by humans – common species – usually not isolated geographically

Australian Dingo

What is an example of subspecies of dog?

Domestic dog & grey wolf differ by 0.2 mtCDNA

Why is it theorized that dogs came from grey wolves?

Neoteny

(persistent infantile characteristics): That an animal is permanently immature in characteristics of importance.

Decreased jaw size, shorter limbs, smaller male secondary characteristics, and less strength.

What are some examples of neoteny

12,000 - 15,000 yrs

how long have dogs been domesticated

5,000 yrs ago (huge extremes of it didn’t actually start until 200 years)

When did selective breeding start?

Canis lupus familiaris

What is the scientific name for dog?

They helped man hunt, protected their children and homes, and were eaten when necessary.

Why did humans domesticate wolves?

Wolf males are fertile seasonally; dog males are fertile all year. Wolf females have 1 estrus cycle per year, dog females have 2

What is the fertility of female wolves and female dogs?

True

Wolf pups develop physically sooner than dogs

Selective Breeding

Used to weed out undesirable traits or to breed in desired traits

201

How many dog breeds are in the AKC?

7 (Sporting, Hounds, Working, Terrier, Toys, Herding, & Non-sporting)

How many current breed groups are in the AKC? What are they?

Docking is the removal of portions of an animal's tail. With the goal of preventing tail injury during activities such as hunting.

What is tail docking? Why?

is the removal of part or all of the external flaps of an animal's ear. To “protect” them when working or dog fighting.

What is ear cropping? Why?

Sporting group

They are specialized hunters that locate game and often collect it; they are active, alert, likeable and great companion animals. They are energetic and need lots of exercise.

Forerunner, Flushing Dogs, Retrievers

What are the three general sporting group sub-sections?

Brittany

Sporting group

Labrador Retriever

Sporting group

Gordon Setter

Sporting Group

German Shorthaired Pointer

Sporting Group

Dachshund

Hound Group

Plott Hound

Hound Group

American Foxhound

Hound Group

Basenji

Hound Group

Belgian Malinois

Herding Group

Border Collie

Herding Group

Old English Sheepdog

Herding Group

Australian Shepherd

Herding Group

American Staffordshire Terrier

Terrier Group

Parson Russel Terrier

Terrier Group

Soft Coated Wheaten Terrier

Terrier Group

Bedlington Terrier

Terrier Group

Chihuahua

Toy Group

Chinese Crested

Toy Group

Russian Toy

Toy Group

Italian Greyhound

Toy Group

Bulldog

Non-sporting group

Chow Chow

Non-sporting Group

Chinese Shar-Pei

Non-sporting Group

Lhasa Apso

Non-sporting Group

Rottweiler

Working Group

Giant Schnauzer

Working Group

Akita

Working Group

Boxer

Working Group