ANBI 360.3 Lecture Notes - Lecture 7: Arrector Pili Muscle, Dog Bite, Hair Follicle
20 Jun 2018
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LECTURE 7
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Breed differences!
a breed may not react the same to strangers, owners, and other dogs!•
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dog bites!
children are the most common victims of severe bites, especially boys!•
lack judgment about warning signs!◦
act in ways threatening to dogs ( quick, jerky movements, eat.)!◦
2/3 under 10 years!◦
Rottweilers and bull terriers over-represented!◦
based on a survey of 203 persons < 17 in a Philadelphia hospital who came in for treatment of •
a dog bite!
51%>7 years!◦
55% were boys!◦
72% "knew" the dog!◦
bites to face under 7, to extremities in older children!◦
younger children indoors, older outside & active!◦
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Bites!
1% of hospital visits due to bites!•
85% are dog bites!•
85% from own pets or neighbours!•
about 50% "provoked"!•
40.5% on the face!•
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Aggression and fear!
fear bites are more common, total panic ends in a lash out/ bite!•
ear position:!•
ears back when fearful!◦
leave ears out if anger or dominant!◦
both fearful and anger are bearing their teeth!•
Agression!•
fight!◦
can be "controlled"!◦
fear!•
flee!◦
freeze: in a panic freezing stage!◦
when animal is covered it is unpredictable to what it will do!◦
unpredictable!◦
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types of growling!
food defence !1.
play!2.
threatening stranger!3.
body weight didn't affect the growl, but situation did!•
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cats more likely to scratch!•
cats will bite also, with risk of infection 80%!•
deep puncture wounds!•
most bite to the hand!•
hiss instead of growl!•
generally won't bite until after scatching!•
if ears are back and pupils are dilated it will attack!•
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fear and/or aggression!•
arrector pili muscle attached to hair follicle!◦
"hackles up" in dogs!◦
all hair raised in cats to appear larger!◦
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Fear!
external stimuli!•
thunderstorms!◦
gun shots!◦
fireworks!◦
run and hide is typical reaction!‣
some dogs injure themselves or run away in the process!‣
Submission!
show of belly!•
urination!•
licking!•
juvenile behaviours!•
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dominance hierarchy!
is the "top dog" claiming romance or the view?!•
does a dog that has free use of the furniture understand it should take orders from the •
humans?!
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tolerance or trained?!
eating side by side, without training wouldn't be very typical!•
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food comes from?!
simultaneous feeding is convenient for the owner!•
meals, rather then "ad lib" helps establish the owner provides the food!•
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content or threatened?!
is this dog happy to have a treat?!•
not happy you are looking at it and its treat?!•
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dog problems!
gift dogs are reported to cause more "problems"!•
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source of pup!
people who go to a pet shop purposely, will end up will more dominant type aggression!•
if bred into a home usually not as bad!•
same with shelters!◦
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Rescue dogs!
