??????????????????????????????? (Puberty

1
???????????????????????????????(Puberty Sexual
Behavior)

• ???????
• 1) ????????
• 2) ??????????????????
• 3) ??????????????
• - ??????
• - ???????

2
Puberty

• ???????????????????????????????????????
  ???????????? ?????????????????????????????????????
  ??????????????????????????????????????????????????
  ?
• ????????????????
• Embryo Fetus Baby
  animal Young animal
• 
  Mature
  animal

3
????????????????????????????????????????

• ????????????
• ????????????????????????????????????????
• 1) ??????
• Testis, Penis, Accessory gland,
  Endocrine gland
• 2) ???????
• Ovary, Mammary organ, Endocrine
  gland, Estrus cycle

Secondary sex characteristics
4
?????????????????????????????????????????????

• 1) Genetics
  2) Environment
• - Species
• - Breed
• - Sex
• 3) Management
• - Nutrition
• - Health status
• - Housing

5
??????????????????????????????

• Male ???? (?????)
  Female ???? (?????)
• Bull 10-18
  Heifer 8-18
• Ram 8-12
  Ewe 6-12
• Boar 6-8
  Gilt 5-8
• Stallion 12-22
  Filly 10-24
• Dog 5-12
  Bitch 7-15
• Tomcat 6-10
  Cat 7-15

6
Hormone Puberty

• ??????????????
• ??????????????????????
• - Hypothalamic-hypophysial axis
• - Pituitary-ganad axis
• (Adenohypophyseal-gonad axis)

7
Female Sexual Behavior

• ??????????????? (Estrus cycle)
• ????????????????? ??????????????????????
  ?
• 1) ??????????????????????
• 2) ???????????????????????
• 3) ???????????????? ?????????????????

8
?????????????????????????????????????

• 1) Seasonal monoestrus ???? roe
  ????????????
• 2) Seasonal polyestrus ??? ???
• 3) Polyestrus ???? ?? Primate

??????????????????????????
1) Induce ovulators 2) Spontaneous ovulators
9
??????????????????? ??????????????????

• 1) ?????????????????????????????????????????????
  ???? Follicular phase ??? Luteal phase
• 2) ??????????????????????????????????????
• ??
  ??? ??? ????
• 2.1) Proestrus 3-4 2-3
  2-3 3-4 ???
• 2.2) Estrus 12-18 30-40
  24-36 48-72 ??.
• 2.3) Metestrus 3-4 2-3
  2-3 2-3 ???
• 2.4) Diestrus 10-14 13-15
  10-12 11-13 ???
• 2.5) Anestrus

10
?????????????????? (heat)

• ??????????????????????????? ?????????? ????
  ?????????
• ???????????????????????????
• - ????????????????
• - ???????????????
• - ??????????????
• - ?????????????????????
• - ??????????????????????????????
• - ????????????

11
Follicular wave
12
?????????????????????????????????????????????????(
1)

• ???? Polyestrus, estrus cycle 21 ???
• 1) ??????????????? (???????? Gilt)
• 2) ??????????????????????????
• 3) ???????????????
• 4) ???????????????
• 5) ??????????????????????????
• 6) ????????????

13
(No Transcript)
14
?????????????????????????????????????????????????(
2)

• ?? Polyestrus, estrus cycle 21 ???
• 1) ??????????????? ?
• 2) ??????????????????????????
• 3) ???????????????????????
• 4) ???????????????????????
• 5) ????????????
• 6) ????????????

15
???????????????????????????????

• GnRH
• Gonadotropins
• Estrogen
• Progesterone
• PGF2 alpha
• (???????? 2)

16
(No Transcript)
17
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18
?????????????????????????????????????

• 1) Visual
• 2) Olfactory
• 3) Auditory
• 4) Tactile

19
????????????????????????????????????

• ?????????????????????????????????????
• - ???? 3-4 ??
• - ?? 5-7 ??
• - ??? ?????? 4-6 ??
• ????????????????????????????????????????????????
• - ???????????????????
• - ?????????????????????????????????????

20
??????????????????????????????????????

• ?????????????????????
• - ??????? Retina
  Pineal gland
• Gonad Adenohypophysial
  Hypothalamus
• - ???????????????????????
• - ????????

21
Male Sexual Behavior

• 1) ????????????????? (Territorial and home range
  behavior)
• 2) ???????????? (Aggressive)
• 3) ???????????????????? (Mating behavior)

22
?????????????????????????????????????

• 1) ??????????
• - Visual
• - Olfactory
• - Auditory
• - Tactile
• 2) ???????????

23
??????????????????????????

• 1. ?????????????????
• 2. ????????????????????????
• 3. ?????????????????????????
• 4. ????????????

24
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25
????????????????

• - ??????????????????????????????????
  (Pre-copulation)
• ??????
• 1) ????????????????????
• 2) ???????????? (Flehmen reaction)
• 3) ???????????????????? ???????????????
  (?????? ??????)
• 4) ????????????????????? Penis
• 5) ?????????????

26
(No Transcript)
27
- ????????????? (Copulation)

• ??????
• 1) Penis ???????????????????? ?????????? blood
  accumulation
• 2) Courtship
• 3) Intromission ???????????????????????? Rectus
  abdominis, Carvernosous muscle, Retractor
  penile ??? Sigmoid flexure

28
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29
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30
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31
- ????????????????????????? (Post-copulation)

• ??????
• 1) Ejaculation
• 2) Dismounting
• 3) Refractoriness

32
???????????????????????? (1)

• ???????
• 1. Nymphomania
• 2. Split estrus
• 3. Silent heat

33
???????????????????????? (2)

• ??????
• 1. Copulation ???????? Ejaculation
• 2. Homosexual
• 3. Masturbation