horse characteristics Flashcards
1
Q
classification
A
class-mammalia order-perrisodactyla Family-equidae Genus-equus species-caballus
2
Q
mature male
A
stallion
3
Q
mature female
A
mare
4
Q
castrated male
A
gelding
5
Q
young male
A
colt
6
Q
young female
A
filly
7
Q
new born
A
foal
8
Q
act of giving birth
A
foaling
9
Q
birth weight (lbs)
A
100-120
10
Q
mature weight (lbs)
A
900-1100
11
Q
age at physical maturity (yrs)
A
4-5
12
Q
typical life span (yrs)
A
25
13
Q
growth rate
A
1.4 lbs/day
14
Q
age at puberty
A
12-18 months
15
Q
duration of estrus
A
5-7 days
16
Q
duration of estrous cycle
A
20-22 days
17
Q
gestation length
A
337-344 days
18
Q
monotocous or polytocous
A
mono
19
Q
litter size
A
1
20
Q
number of teats
A
2
21
Q
erectile mechanism
A
erectile tissue
22
Q
induced or spontaneous ovulator
A
spontaneous
23
Q
placenta type
A
diffuse
24
Q
uterine structure
A
bipartite
25
breeding season
late winter/spring
26
number of chromosomes
64
27
ruminant or monogastric
monogastric
28
when domesticated (years BP)
6000
29
where domesticated
central asia
30
dental formula
3.1.4.3/3.1.3.3
31
premolar/molar structure
hypsodont
32
vertebrae (ce:t:l:s:ca)
7:18:6:5:15
33
carpal nunber
8
34
metacarpal number
1 (+2 splint bones)
35
tarsal number
6
36
metatarsal number
1 (+2 splint bones)
37
limb posture
unguligrade
38
leading state in production
kentucky
