Puberty Flashcards
1
Q
Puberty definition
A
When animal first reaches repro capabilities
Female farm animals - 1st estrus
Males - presence of mature sperm and libido
2
Q
Gnrh ______ dramatically after puberty
A
Increases
3
Q
Puberty bulls
A
10 months
4
Q
Puberty rams
A
7 months
5
Q
Puberty boars
A
6 months
6
Q
Puberty stallion
A
18 months
7
Q
Puberty man
A
13 years
8
Q
High temps and humidity can ____ onset of puberty in males
A
Delay
9
Q
Pattern of hormone release in female
A
Estrogen is produced by fetal ovary
Doesn’t pass blood brain barrier
Surge center is formed
10
Q
Puberty heifer
A
11 months
11
Q
Puberty ewe
A
7 months
12
Q
Puberty gilt
A
6-7 months
13
Q
Puberty dolly
A
14 months
14
Q
Puberty women
A
13 years
15
Q
Non pubertal estrus
A
62%
Come in heat and wait a few weeks for next heat
16
Q
Pubertal estrus
A
In heat first time and then every 21 days after
37%
