PETS Flashcards
who was the person that domesticated the sliver fox
dmitri belyaev
what are some things that deal with specialization
.strict captivity -limited breeding
.intentional breeding
.trait standardization
.genetic farewell - minimize genes from wild species
what kind of foxes did they select and why
they selected based of temperament and actions
wild vs piebald
coat - fine hair vs dog hair
vocal - limited vs barking
ears - erect ears vs floppy ears
tail - balanced tail vs wagging tail
play - play as you vs play as both
teeth - large vs small
estorus - 1 estorus per year vs 2 eastorus per year
brain capacity of dogs what are the differences
working dogs retain higher capacity while dogs who don’t have jobs have smaller proportion of brain capacity
one wolf has made how many breeds
18
chromosomes
code for genes
genes
specific sequence codes for cell activity or predict production
nucleic acids bases
adenine , tymine ,cytocine
gel electrophoresis separates DNA fragments by size using electrical
genetic timing
similar genes , but some activate sooner , remain activated longer ,or are never activated
how many recognized breeds are there
350-400
what does FCI
federation cynologique international
what does AKC
american kennel club
what are the different kennel clubs
britain’s
europe’s
canadian
continental usa
what is ticharmatic
3 nerve toes
blue, green , red
what are the different visuals
myopic - nearsighted
emmetropic- neutral
hyperopic - farsighted
what is frequency
pitch hertz
what is amplitude
volume
what is olfactory
sense of smell
what are turbinates
bones in sinus passages
what do the turbinates help with
- location for olfactory nerves
- alternate air flow
what are primary sources of scents
- apocrine gland (most important )
- urine
.feces
what are the advantages of dogs olfactory
trailing dogs - follow scent trail
tracking dogs - scent + sight =vision
the use of the olfactory in humans vs dogs
both
unfavorable
favorable
identification
taste
dog -
age
sex
health
reproductive status
salty taste buds
detection of minerals (NUTRIENT)
Sweet taste buds
simple carbohydrates
sour taste buds
vitamine c
bitter taste buds
safety = not ingest
umami taste buds
protein and fats
who has the most taste nerves and why
omnivores have the most because they have a wider nutrition diet
what are whiskers
vibrissae
sensory receptors
pressure - whiskers
temperature- cooling system , sweat glands , nero relax response
what did reproduction evolve
went from monoestrous to diestrous
how long is estorus
4-8 months
adult male cat
tom
castrated male cat
gib
young cats
kittens
parturition
kittening
feral state
100 mil owned cat and 120 mil feral cats
concerns with wild cats ?
destruction of wildlife 5-30 prey /day
what disease that can be passed from cat to human
ringworm, rabies ,roundworm, giardiasis
population control
trap , spay , rehab and release
cat reproduction
polyestrous
who long is a cats estrous cycle
14-21 d average
what kind of breeders are cats
seasonal breeders
what is induced ovulator
process of mating stimulates a neuro- reflex response causing ovulation
causing ovulation
10% long hair
60% short hair : > 50% short hairs cycle year round
