Dog Breeds, History, Philology, And Health Flashcards
what are the 6 qualities of an animal to be suitable for domestication
- Flexible diet
- Fast growth
- breed in captivity
- good disposition
- mild temperament
- modifiable social hierarchy
what is the difference between domestication and taming
domestication: selection changes the genotype & phenotype of animals to make the more desirable to people
taming: animals become accustomed to human presence
why were dogs domesticated
- Utility: herding & hunting
2. Human tendency to adopt wild orphaned animals
how many dog breeds are there
700-800
what are the 8 categories of dog breeds
- Sporting group
- Hound group
- Working group
- Terrier group
- Toy group
- Non-sporting group
- Herding group
- Miscellaneous
what are odorant-binding proteins
proteins that can bind odours and transmit the signal (smell) them to the auditory nerve
what is the vomeronasal organ
sacs behind upper teeth at the junction of nasal and oral cavities. Important in smelling/detecting pheromones
What are the growth patterns that cause canine hip dysplasia
-overnutrition that induces rapid growth of the dog
what are two treatments of canine hip dysplasia
- Conservative: balanced diet, NSAIDS, reduce exercise, swimming, GAG
- Surgical: femoral head osteotomy, total hip replacement
what is hypothyroidism in dogs
loss in production of thyroid hormone T4
main cause: destruction of thyroid gland
what are clinical signs of hypothyroidism
Skin: alopecia, dry, poor wound healing, wet ear wax, foul-smelling ears
weight: obese, dull, exercise & cold intolerant
Reproduction: female has increased estrus intervals, small litters, weak or still born puppies
male: low libido, testicular atrophy, low sperm count
cardiovascular: weak/slow heartbeat
eye changes
What are 2 types of irreversible destruction of thyroid gland
- Lymphocytic Thyroiditis: inflammatory cells destroy thyroid tissue
- Idiopathic thyroid degeneration: atrophy of thyroid
