59
ㅝ༸⬊Ⓨ⫱Ἴࡢฟ⌧ࢆಁ㐍ࡍࡿࠋࡑࡢᚋࠊ༸⬊ࡽศἪࡉࢀࡿࣥࣄࣅࣥࡼ
ࡾ )6+ ศἪࡀᢚไࡉࢀ࡚⾑୰ )6+ ⃰ᗘࡀపୗࡍࡿࡀࠊࣥࣄࣅࣥ⏕⏘ࡢపୗ
కࡗ࡚ࡧୖ᪼ࡋࠊୖ᪼పୗࢆ⧞ࡾ㏉ࡍࠋ⾑୰ࣉࣟࢪ࢙ࢫࢸࣟࣥ⃰ᗘࡣࠊ
༸ᚋ㯤యࡢᙧᡂඹୖ᪼ࢆ♧ࡋࠊ㈇ࡢࣇ࣮ࢻࣂࢵࢡࡋ࡚ࠊ/+ ࡢศἪࢆ
60
㸳㸫㸲㸫㸰㸬Ἢஙᮇ࠾ࡅࡿྛ✀࣍ࣝࣔࣥศἪ 㸳㸫㸲㸫㸰㸬Ἢஙᮇ࠾ࡅࡿྛ✀࣍ࣝࣔࣥศἪ 㸳㸫㸲㸫㸰㸬Ἢஙᮇ࠾ࡅࡿྛ✀࣍ࣝࣔࣥศἪ 㸳㸫㸲㸫㸰㸬Ἢஙᮇ࠾ࡅࡿྛ✀࣍ࣝࣔࣥศἪ
့ங㢮ࡢ㞤࡛ࡣࠊஙᏊࡢ྾ங่⃭ࡼࡾࣉࣟࣛࢡࢳࣥศἪࡀஹ㐍ࡋ࡚ࠊ/+
)6+ ศἪࡀᢚไࡉࢀࠊ
ẕື≀࡛ࡣἪஙᮇ㛫୰ࡣࠊ༸ࡀṆࡍࡿࡇࡀ▱ࡽࢀ
࡚࠸ࡿࠋᮏ◊✲࠾࠸࡚ࠊ⾑୰ࣉࣟࣛࢡࢳࣥ⃰ᗘࡣࠊἪஙᮇ㛫୰ࡣࠊ㏻ᖖࡼࡾ
ࡶ㧗࠸್ࢆ⥔ᣢࡋࡓࠋ/+ࠊ)6+ࠊࣉࣟࢪ࢙ࢫࢸࣟࣥࠊࢸࢫࢺࢫࢸࣟࣥཬࡧ࢚ࢫ ࢺࣛࢪ࣮࢜ࣝ㛵ࡋ࡚ࡣࠊἪஙᮇ୰࡛ࡶୖ᪼పୗࡀ⧞ࡾ㏉ࡉࢀ࡚࠸ࡿࡇ
ࡽ㞤࣐࡛࢘ࡣࠊἪஙᮇ୰࡛ࡶ༸ࡀṆࡍࡿࡇ࡞ࡃⓎ࿘ᮇࡀ⥔ᣢࡉࢀ࡚࠸
ࡿࡇࡀ☜ㄆࡉࢀࡓࠋ࢘ࢩ࡛ࡣࠊศፔᚋ⣙ ᪥Ⓨ࿘ᮇࡀᅇᖐࡋࠊࣈࢱ࡛ࡣࠊ Ἢஙᮇ୰ࡣⓎ࿘ᮇࡣᅇᖐࡋ࡞࠸㸦᳃ࡽࠊ㸧ࠋ࣐࡛࢘ࡣࠊศፔᚋ᪩ᮇⓎ
ࡀᅇᖐࡋࠊศፔᚋⓎࡀ᪩ᮇ㉳ࡇࡿෆศἪᏛⓗゎᯒ㛵ࡋ࡚ࡣࠊ㸲❶グ
㏙ࡋࡓࠋ
㸳㸫㸲㸫㸱㸬ྛ✀࣍ࣝࣔࣥࡢศἪࣃࢱ࣮ࣥࡢẚ㍑
㸳㸫㸲㸫㸱㸬ྛ✀࣍ࣝࣔࣥࡢศἪࣃࢱ࣮ࣥࡢẚ㍑
㸳㸫㸲㸫㸱㸬ྛ✀࣍ࣝࣔࣥࡢศἪࣃࢱ࣮ࣥࡢẚ㍑
㸳㸫㸲㸫㸱㸬ྛ✀࣍ࣝࣔࣥࡢศἪࣃࢱ࣮ࣥࡢẚ㍑
㠀ዷፎᮇ࡛ࡣࠊࣉࣟࢪ࢙ࢫࢸࣟࣥࢸࢫࢺࢫࢸࣟࣥࡢศἪࣃࢱ࣮ࣥࡣ୍⮴ࡋ
ࡓࠋ㯤యᮇ㧗ࡃࠊ༸⬊ᮇపࡗࡓࠋࡇࢀࡼࡾࠊࢸࢫࢺࢫࢸࣟࣥࡢ࡞ศ Ἢ※ࡣ㯤య࡛࠶ࡾࠊ༸⬊࡛ࡣ࡞࠸᥎ᐹࡉࢀࡿࠋ㯤య⣽⬊ࡣࠊࣉࣟࢪ࢙ࢫࢸࣟࣥࡽࢸࢫࢺࢫࢸࣟࣥࡢኚ㓝⣲࡛࠶ࡿ
F\WRFKURPH3ȘK\GUR[\ODVH O\DVH ࡀᏑᅾࡍࡿ㸦$OEUHFKWDQG'DHOV㸧ࡓࡵࠊQJPO ࠸࠺㧗
⃰ᗘ࡛⾑୰Ꮡᅾࡍࡿࣉࣟࢪ࢙ࢫࢸࣟࣥࡀࢸࢫࢺࢫࢸࣟࣥኚࡉࢀࡓࡓࡵ
⪃࠼ࡽࢀࡿࠋࡋࡋࠊ㐣ཤࡢ◊✲࡛ࡣࠊࣉࣟࢪ࢙ࢫࢸࣟࣥࡀపୗࡋࠊࢸࢫࢺࢫ
ࢸࣟࣥࡀୖ᪼ࡍࡿ࠸࠺ሗ࿌㸦6LOEHU]DKQHWDO㸧ࡸⓎ࿘ᮇ୰ࡣኚືࢆ♧ࡉ࡞࠸࠸࠺ሗ࿌㸦0LQHFNHHWDO㸧ࡶᏑᅾࡍࡿࡀࠊࡇࢀࡣ ᐃ᪉ἲ
࡞ࡢ㐪࠸࡛࠶ࡿ᥎ᐹࡉࢀࡿࠋ
ࡲࡓࠊዷፎᮇࡶࢸࢫࢺࢫࢸࣟࣥࣉࣟࢪ࢙ࢫࢸࣟࣥࡣྠᵝࡢኚࢆ♧ࡋࡓࠋ 㯤య⣽⬊ྠᵝࠊ⫾┙ࡶ
F\WRFKURPH3ȘK\GUR[\ODVHO\DVH
61
ࡀᏑᅾࡍࡿ㸦$OEUHFKWDQG'DHOV㸧ࡓࡵࠊ㯤యᮇྠᵝࡢ࣓࢝ࢽࢬ࣒࡛
ศἪࣃࢱ࣮ࣥࡀ୍⮴ࡋࡓ᥎ᐹࡉࢀࡿࠋ
࢚ࢫࢺࣛࢪ࣮࢜ࣝࣥࣄࣅࣥࡣ୍⮴ࡋࡓኚࢆ♧ࡋࡓࠋ࢚ࢫࢺࣛࢪ࣮࢜ࣝ
ࡣ༸⬊ࡢ㢛⢏⭷⣽⬊ࡽศἪࡉࢀࡿࡀࠊࣥࣄࣅࣥࡶྠᵝ༸⬊ࡢ㢛⢏⭷
⣽⬊ࡽศἪࡉࢀࡿ㸦1DJDPLQHHWDO㸧ࡓࡵࠊᮏ◊✲࡛ࡶࠊศἪࣃ
ࢱ࣮ࣥࡀ୍⮴ࡋࡓゎ㔘ࡉࢀࡓࠋ
ᮏ◊✲ࡢ⤖ᯝࡽࠊᾏ㐨࠾࠸࡚㣫⫱ࡉࢀ࡚࠸ࡿ㞤ࢧࣛࣈࣞࢵࢻ࠾࠸࡚ࡶ
どᗋୗ㒊࣭ୗᆶయ࣭༸ᕢ㍈ࡣࠊ㞝ࢧࣛࣈࣞࢵࢻࡢどᗋୗ㒊࣭ୗᆶయ࣭⢭ᕢ㍈
㢮ఝࡋࡓ᫂ࡽ࡞㛗᪥Ꮨ⠇⦾Ṫື≀ࡢ≉ᚩࢆ♧ࡍᐇࡀ☜ㄆࡉࢀࡓࠋࡇࡢ㞤ࢧ
ࣛࣈࣞࢵࢻ࠾ࡅࡿどᗋୗ㒊࣭ୗᆶయ࣭༸ᕢ㍈ࡢᏘ⠇ኚࡣࠊዷፎࡸἪங࠾
࠸࡚ࡶ㜼ᐖࡉࢀࡿࡇࡀ࡞ࡃ⥔ᣢࡉࢀࡿࡇࡀ᫂ࡽ࡞ࡗࡓࠋ
62
Fig. 5-1 Changes in plasma concentration of PRL (a), LH (b) and FSH (c) during complete reproductive cycle of Mare 4. Yellow box show gestation period. Arrow show lactation period.
Gestation
Lactation
Gestation Gestation
0 5 10 15 100200 300400 500 600 800 1000 1200
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6 Lactation
Lactation
Date
/+ᤡQJPOᤢ/+ᤡQJPOᤢ/+ᤡQJPOᤢ/+ᤡQJPOᤢ
Gestation
Lactation
Gestation Gestation
0 5 10 15
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6
Lactation Lactation
Date
FS H (ng /m l)
Gestation
Lactation
Gestation Gestation
0 5 10 15 20 30 40 50 60
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/9
Lactation Lactation
Date
PRL(ng/ml)
Mare 4 (a)
(b)
(c)
63
Fig. 5-1 Changes in plasma concentration of progesterone (d), testosterone (e), estradiol-17ș(f), and ir-inhibin (g) during complete reproductive cycle of Mare 4. Yellow box show gestation period. Arrow show lactation period.
Gestation
Lactation
Gestation Gestation
0 50 100 150
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6 Lactation
Lactation
Date
Progesterone(ng/ml)
Gestation
Lactation
Gestation Gestation
0 100 200 300
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6 Lactation Lactation
Date
Testosterone(pg/ml)
0 20 40 60 80 100 200 400 600 800 1000
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6 Gestation
Lactation Lactation
Gestation Gestation
Lactation
Date
Estradiol-17ββββ(pg/ml)
Gestation
Lactation
Gestation Gestation
0.0 0.5 1.0 1.5 2.0 2.5 2.5 3.0 3.5 4.0 4.5 5.0
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6
Lactation Lactation
Date
ir-inhibin(ng/ml)
Mare 4
(d)
(e)
(f)
(g)
64
Fig. 5-2 Changes in plasma concentration of PRL (a), LH (b) and FSH (c) during complete reproductive cycle of Mare 13. Yellow box show gestation period. Arrow show lactation period.
Gestation
Lactation Lactation
Gestation Gestation
0 2 4 6 8 10 100 200 300 400 500 1000 2000 3000 4000
2004/3 2004/6
2004/9 200
4/12 2005/3
2005/6 2005/9
200 5/12
2006/3 2006/6
Date
/+ᤡQJPOᤢ/+ᤡQJPOᤢ/+ᤡQJPOᤢ/+ᤡQJPOᤢ
Gestation
Lactation Lactation
Gestation Gestation
0 20 40 60
2004/
3 2004/
6 2004
/9 2004
/12 2005/
3 2005/
6 2005/
9 2005
/12 2006/
3 2006/
6
Date
FSH(ng/ml)
Gestation
Lactation Lactation
Gestation Gestation
0 5 10 15
2004/3 200
4/6 200
4/9 2004
/12 2005
/3 200
5/6 200
5/9 2005
/12 2006
/3 2006/9
Date
PRL(ng/ml)
Mare 13 (a)
(b)
(c)
65
Fig. 5-2 Changes in plasma concentration of progesterone (d), testosterone (e), estradiol-17ș (f), and ir-inhibin (g) during complete reproductive cycle of Mare 13. Yellow box show gestation period. Arrow show lactation period. of
Gestation
Lactation Lactation
Gestation Gestation
0 10 20 30 40
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6
Date
Progesterone(ng/ml)
Gestation
Lactation Lactation
Gestation Gestation
0 100 200 300 400
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6
Date
Testosterone(pg/ml)
0 10 20 30 40 50 100 200 300 400 500 600 800 1000 1200 1400
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6 Gestation
Lactation Lactation
Gestation Gestation
Date
Estradiol-17ββββ(pg/ml)
Gestation
Lactation Lactation
Gestation Gestation
0.0 0.5 1.0 1.5 2.0 2.5 3 4 5 6
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6
Date
ir-inhibin(ng/ml)
Mare 13
(e)
(d) (f)
(g)
66
Fig. 5-3 Changes in plasma concentration of PRL (a), LH (b) and FSH (c) during non-pregnant period of Mare 5.
0 5 10 15
2004/3
2004/6
2004/9
2004/12
Date
/+ᤡQJPOᤢ/+ᤡQJPOᤢ/+ᤡQJPOᤢ/+ᤡQJPOᤢ
0 5 10 15 20 25
2004/3
2004/6
2004/9
2004/12
Date
FS H( ng/ m l)
0 1 2 3 4 5
2004/3
2004/6
2004/9
2004/12
Date
PRL(ng/ml)
Mare 5 (a)
(b)
(c)
67
Fig. 5-3 Changes in plasma concentration of progesterone (d), testosterone (e), estradiol-17ș (f) and ir-inhibin (g) during non-pregnant period of Mare 5.
0 10 20 30 40
2004/3
2004/6
2004/9
2004/12
Date
Progesterone(ng/ml)
0 50 100 150
2004/3
2004/6
2004/9
2004/12
Date
Testosterone(pg/ml)
0 10 20 30
2004/3
2004/6
2004/9
2004/12
Date Estradiol-17ββββ(pg/ml)
0 1 2 3 4
2004/3
2004/6
2004/9
2004/12
Date
ir-inhibin(ng/ml)
Mare 5
(d)
(e)
(f)
(g)
68
Fig. 5-4. Changes in plasma concentration of PRL (a), LH (b) and FSH (c) during non-pregnant period of Mare 8. Arrow show lactation period.
Lactation
0 2 4 6 8 10
2004/6
2004/9
2004/12
2005/3
2005/6
2005/9
Date /+ᤡQJPOᤢ/+ᤡQJPOᤢ/+ᤡQJPOᤢ/+ᤡQJPOᤢ
Lactation
0 5 10 15 20
2004/6
2004/9
2004/12
2005/3
2005/6
2005/9
Date
FS H (n g /m l)
Lactation
0 5 10 15 20 25
2004/6
2004/9
2004/12
2005/3
2005/6 2005/9
Date
PRL(ng/ml)
Mare 8 (a)
(b)
(c)
69
Fig. 5-4 Changes in plasma concentration of progesterone (d), testosterone (e), estradiol-17ș (f) and ir-inhibin (g) during non-pregnant period of Mare 8.
Arrow show lactation period.
Lactation
0 5 10 15 20 25
2004/
6 2004/
9 200
4/12 2005/
3 2005/
6 2005/
9
Date
Progesterone(ng/ml)
Lactation
0 50 100 150 200
2004/6 2004/9
2004/12 2005/3
2005/6 2005/9
Date
Testosterone(pg/ml)
0 10 20 30 40
2004/6 2004/9
2004/12 2005/3
2005/6 2005/9 Lactation
Date Estradiol-17ββββ(pg/ml)
Lactation
0 1 2 3 4 5
2004/
6 2004/
9 2004/
12 2005/
3 2005/
6 200
5/9
Date
ir-inhibin(ng/ml)
Mare 8
(d)
(e)
(f)
(g)
70
Fig. 5-5 Changes in plasma concentration of PRL (a), LH (b) and FSH (c) during non-pregnant period of Mare 12.
0 5 10 15 20
2004/6
2004/9
2004/12
Date
/+ᤡQJPOᤢ/+ᤡQJPOᤢ/+ᤡQJPOᤢ/+ᤡQJPOᤢ
0 5 10 15 20
2004/6
2004/9
2004/12
Date
FS H (n g /m l)
0 2 4 6 8 10 10 12 14 16 18 20
2004/6
2004/9
2004/12
Date
PRL(ng/ml)
Mare 12 (a)
(b)
(c)
71
Fig. 5-5 Changes in plasma concentration of progesterone (d), testosterone (e), estradiol-17ș (f) and ir-inhibin (g) during non-pregnant period of Mare 12.
0 10 20 30 40
2004/6
2004/9
2004/12
Date
Progesterone(ng/ml)
0 50 100 150
2004/6
2004/9
2004/12
Date
Testosterone(pg/ml)
0 10 20 30
2004/6
2004/9
2004/12
Date
Estradiol-17ββββ(pg/ml)
0 1 2 3 4 5 5 10 15 20
2004/6
2004/9
2004/12
Date
ir-inhibin(ng/ml)
Mare 12
(e)
(f)
(g)
(d)
72
Fig. 5-6 Changes in plasma concentration of PRL (a), LH (b) and FSH (c) during non-pregnant period of Mare 16.
0 5 10 15
2004/3
2004/6
2004/9
2004/12
Date
/+ᤡQJPOᤢ/+ᤡQJPOᤢ/+ᤡQJPOᤢ/+ᤡQJPOᤢ
0 5 10 15
2004/3
2004/6
2004/9
2004/12
Date
FS H (ng /m l)
0 5 10 15
2004/3
2004/6
2004/9
2004/12
Date
PRL(ng/ml)
Mare 16 (a)
(b)
(c)
73
Fig. 5-6 Changes in plasma concentration of progesterone (d), testosterone (e), estradiol-17ș (f) and ir-inhibin (g) during non-pregnant period of Mare 16.
0 10 20 30
2004/3
2004/6
2004/9
2004/12
Date
Progesterone(ng/ml)
0 50 100 150
2004/3
2004/6
2004/9
2004/12
Date
Testosterone(pg/ml)
0 20 40 60 80
2004/3
2004/6
2004/9
2004/12
Date Estradiol-17ββββ(pg/ml)
0 1 2 3 4 5
2004/3
2004/6
2004/9
2004/12
Date
ir-inhibin(ng/ml)
Mare 16 (d)
(e)
(f)
(g)
74
Fig. 5-7 Changes in plasma concentration of PRL (a), LH (b) and FSH (c) during lactation of Mare 3. Yellow box show gestation period. Arrow show lactation period.
Gestation
Lactation
0 2 4 6 8 10 100 200 300400 500 500 1000 1500 2000
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6
Date /+ᤡQJPOᤢ/+ᤡQJPOᤢ/+ᤡQJPOᤢ/+ᤡQJPOᤢ
Gestation
Lactation
0 5 10 15 20 25
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6
Date
FS H (ng /m l)
Gestation
Lactation
0 5 10 15 15 20 25 30 35 40
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/9
Date
PRL(ng/ml)
Mare 3 (a)
(b)
(c)
75
Fig. 5-7 Changes in plasma concentration of progesterone (d), testosterone (e), estradiol-17ș (f) and ir-inhibin (g) during lactation of Mare 3. Yellow box show gestation period. Arrow show lactation period.
Gestation
Lactation
0 5 10 15 20 25
2004/
3 2004/6
2004/9 200
4/12 2005/3
2005/
6 2005/9
2005/12 2006/
3 2006/
6
Date
Progesterone(ng/ml)
Gestation
Lactation
0 50 100 150 200 200 300 400
2004 /3
2004/
6 2004/
9 2004/
12 2005/
3 2005/
6 2005
/9 2005/
12 2006/
3 2006/
6
Date
Testosterone(pg/ml)
0 20 40 60 80 100 200 400 600 800 1000
200 4/3
200 4/6
200 4/9
2004/12 200
5/3 200
5/6 200
5/9 2005
/12 200
6/3 200
6/6 Gestation
Lactation
Date
Estradiol-17ββββ(pg/ml)
Gestation
Lactation
0.0 0.5 1.0 1.5 2.02 3 4 5
2004/
3 2004/
6 2004/
9 200
4/12 2005/
3 2005/6
2005/9 2005
/12 2006/3
2006/6
Date
ir-inhibin(ng/ml)
Mare 3
(d)
(e)
(f)
(g)
76
Fig. 5-8 Changes in plasma concentration of PRL (a), LH (b) and FSH (c) during lactation of Mare 9. Yellow box show gestation period. Arrow show lactation period.
Gestation
Lactation
Gestation
0 5 10 15 100 200 300 400 500 1000 2000 3000 4000
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6
Date /+ᤡQJPOᤢ/+ᤡQJPOᤢ/+ᤡQJPOᤢ/+ᤡQJPOᤢ
Gestation
Lactation
Gestation
0 5 10 15 20 25 30 40 50
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6
Date
FSH(ng/ml)
Gestation
Lactation
Gestation
0 2 4 6 8 10
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/9
Date
PRL(ng/ml)
Mare 9 (a)
(b)
(c)
77
Fig. 5-8 Changes in plasma concentration of progesterone (d), testosterone (e), estradiol-17ș (f) and ir-inhibin (g) during lactation of Mare 9. Yellow box show gestation period. Arrow show lactation period.
Gestation
Lactation
Gestation
0 10 20 30
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6
Date
Progesterone(ng/ml)
Gestation
Lactation
Gestation
0 100 200 300
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6
Date
Testosterone(pg/ml)
Gestation
Lactation
0 10 20 30 40 5050 100 150 200 200 400 600 800
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6 Gestation
Date Estradiol-17ββββ(pg/ml)
Gestation
Lactation
Gestation
0 1 2 3 4
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6
Date
ir-inhibin(ng/ml)
Mare 9
(d)
(e)
(f)
(g)
78
Fig. 5-9 Changes in plasma concentration of PRL (a), LH (b) and FSH (c) during lactation of Mare 11. Yellow box show gestation period. Arrow show lactation period.
Gestation Gestation
Lactation Lactation Lactation
0 2 4 6 8 10 100 200 300 400 500 1000 2000 3000 4000
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6
Date
/+ᤡQJPOᤢ/+ᤡQJPOᤢ/+ᤡQJPOᤢ/+ᤡQJPOᤢ
Gestation Gestation
Lactation Lactation Lactation
0 2 4 6 8 10 10 15 20
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6
Date
FS H( ng/ m l)
Gestation Gestation
Lactation Lactation Lactation
0 2 4 6 8 10 10 15 20 25
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/9
Date
PRL(ng/ml)
Mare 11 (a)
(b)
(c)
79
Fig. 5-9 Changes in plasma concentration of progesterone (d), testosterone (e), estradiol-17ș (f) and ir-inhibin (g) during lactation of Mare 11. Yellow box show gestation period. Arrow show lactation period.
Gestation Gestation
Lactation Lactation Lactation
0 5 10 15 20 25
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6
Date
Progesterone(ng/ml)
Gestation Gestation
Lactation Lactation Lactation
0 50 100 150 200
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6
Date
Testosterone(pg/ml)
0 100 200 300
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6
Gestation Gestation
Lactation Lactation Lactation
Date Estradiol-17ββββ(pg/ml)
Gestation Gestation
Lactation Lactation Lactation
0.0 0.5 1.0 1.5 2.0 2.5 3 4 5 6
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6
Date
ir-inhibin(ng/ml)
Mare 11
(d)
(e)
(f)
(g)
80
Fig. 5-10 Changes in plasma concentration of PRL (a), LH (b) and FSH (c) during lactation of Mare 12. Yellow box show gestation period. Arrow show lactation period.
Gestation
Lactation
0 5 10 15 100 200 300 400 500 500 1000 1500 2000 2500
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6
Date /+ᤡQJPOᤢ/+ᤡQJPOᤢ/+ᤡQJPOᤢ/+ᤡQJPOᤢ
Gestation
Lactation
0 5 10 15 20
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6
Date
FS H (ng /m l)
Gestation
Lactation
0 2 4 6 8 10 10 12 14 16 18 20
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/9
Date
PRL(ng/ml)
Mare 12 (a)
(b)
(c)
81
Fig. 5-10 Changes in plasma concentration of progesterone (d), testosterone (e), estradiol-17ș (f) and ir-inhibin (g) during lactation of Mare 12. Yellow box show gestation period. Arrow show lactation period.
Gestation
Lactation
0 10 20 30 40
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6
Date
Progesterone(ng/ml)
Gestation
Lactation
0 100 200 300 400
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6
Date
Testosterone(pg/ml)
0 10 20 30 40 50 100 200 300 400
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6 Gestation
Lactation
Date
Estradiol-17ββββ(pg/ml)
Gestation
Lactation
0 1 2 3 4 55 10 15 20
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6
Date
ir-inhibin(ng/ml)
Mare 12
(d)
(e)
(f)
(g)
82
Fig. 5-11 Changes in plasma concentration of PRL (a), LH (b) and FSH (c) during lactation of Mare 17. Yellow box show gestation period. Arrow show lactation period.
Gestation Gestation
Lactation Lactation Lactation
0 2 4 6 8 10 100 200 300 400 500 600 800 1000 1200 1400
200 4/3
2004/6 200
4/9 2004/
12 200
5/3 200
5/6 2005/9
200 5/12
200 6/3
2006/6
Date
/+ᤡQJPOᤢ/+ᤡQJPOᤢ/+ᤡQJPOᤢ/+ᤡQJPOᤢ
Gestation Gestation
Lactation Lactation
Lactation
0 5 10 15 20
2004/3 2004/6
2004/9 2004/
12 2005/3
2005/6 2005/9
2005/
12 2006/3
2006/6
Date
F S H (ng/m l)
Gestation Gestation
Lactation Lactation
Lactation
0 5 10 15 20 20 40 60 80 100
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 200
5/12 2006/3
2006/9
Date
PRL(ng/ml)
Mare 17 (a)
(b)
(c)
83
Fig. 5-11 Changes in plasma concentration of progesterone (d), testosterone (e), estradiol-17ș (f) and ir-inhibin (g) during two years of Mare 17. Yellow box show gestation period. Arrow show lactation period.
Gestation Gestation
Lactation Lactation Lactation
0 5 10 15 20 25
200 4/3
2004 /6
2004 /9
2004/
12 200
5/3 200
5/6 200
5/9 2005/
12 2006
/3 2006
/6
Date
Progesterone(ng/ml)
Gestation Gestation
Lactation Lactation
Lactation
0 100 200 300 400
2004 /3
2004 /6
200 4/9
2004/12 2005
/3 2005
/6 2005
/9 2005/
12 2006
/3 2006
/6
Date
Testosterone(pg/ml)
0 500 1000 1500 2000 2500
2004/3 2004/6
2004/9 200
4/12 2005/3
2005/6 2005/9
200 5/12
2006/3 2006/6
Gestation Gestation
Lactation Lactation
Lactation
Date Estradiol-17ββββ(pg/ml)
Gestation Gestation
Lactation Lactation
Lactation
0 1 2 3 4 5
2004/3 2004
/6 2004
/9 2004/12
2005 /3
200 5/6
2005 /9
2005 /12
2006 /3
200 6/6
Date
ir-inhibin(ng/ml)
Mare 17
(d)
(e)
(f)
(g)
84
Fig. 5-12 Changes in plasma concentration of PRL (a), LH (b) and FSH (c) during two years of Mare 10. Yellow box show gestation period. Arrow show lactation period.
Gestation
Gestation Abortion Gestation
Lactation Lactation
0 5 10 15 200 400 600
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6
Date /+ᤡQJPOᤢ/+ᤡQJPOᤢ/+ᤡQJPOᤢ/+ᤡQJPOᤢ
Gestation
Gestation Abortion Gestation
Lactation
Lactation
0 5 10 15 20 20 30 40
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6
Date
FS H (n g /m l)
Gestation
Gestation Abortion Gestation
Lactation Lactation
0 5 10 15 20 30 40 50 50 100 150
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/9
Date
PRL(ng/ml)
Mare 10 (a)
(b)
(c)
85
Fig. 5-12 Changes in plasma concentration of progesterone (d), testosterone (e), estradiol-17ș (f) and ir-inhibin (g) during two years of Mare 10. Yellow box show gestation period. Arrow show lactation period.
Gestation
Gestation Abortion Gestation
Lactation Lactation
0 5 10 15 20 25
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6
Date
Progesterone(ng/ml)
Gestation
Gestation Abortion Gestation
Lactation Lactation
0 50 100 150 200
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6
Date
Testosterone(pg/ml)
0 200 400 600
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6 Gestation
Gestation Abortion Gestation
Lactation Lactation
Date
Estradiol-17ββββ(pg/ml)
Gestation
Gestation Abortion Gestation
Lactation
Lactation
0 1 2 3 4 6 8 10
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6
Date
ir-inhibin(ng/ml)
Mare 10
(d)
(e)
(f)
(g)
86
Fig. 5-13 Changes in plasma concentration of PRL (a), LH (b) and FSH (c) during two years of Mare 14. Yellow box show gestation period. Arrow show lactation period.
Gestation
Lactation
Abortion Gestation
0 5 10 15
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6
Date /+ᤡQJPOᤢ/+ᤡQJPOᤢ/+ᤡQJPOᤢ/+ᤡQJPOᤢ
Gestation
Lactation
Abortion Gestation
0 5 10 15 20
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6
Date
FSH(ng/ml)
Gestation
Lactation
Abortion Gestation
0 5 10 15 20
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/9
Date
PRL(ng/ml)
Mare 14 (a)
(b)
(c)
87
Fig. 5-13 Changes in plasma concentration of progesterone (d), testosterone (e), estradiol-17ș (f) and ir-inhibin (g) during two years of Mare 14. Yellow box show gestation period. Arrow show lactation period.
Gestation
Lactation
Abortion Gestation
0 5 10 15 20 25
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6
Date
Progesterone(ng/ml)
Gestation
Lactation Gestation
0 50 100 150 200 1000500 15002000 2500
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6 Abortion
Date
Testosterone(pg/ml)
Gestation
Lactation
Abortion
0 20 40 60 80 100 200 400 600 800
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6 Gestation
Date Estradiol-17ββββ(pg/ml)
Gestation
Lactation
Gestation Abortion
0 1 2 3 4
2004/3 2004/6
2004/9 2004/12
2005/3 2005/6
2005/9 2005/12
2006/3 2006/6
Date
ir-inhibin(ng/ml)
Mare 14
(d)
(e)
(f)
(g)
88
0 5 10 15 20
0 50 100 150 200
2005/6 2005/9 2005/12 2006/3
7HVWRVWHURQHᤡSJPOᤢ7HVWRVWHURQHᤡSJPOᤢ7HVWRVWHURQHᤡSJPOᤢ7HVWRVWHURQHᤡSJPOᤢ
Progesterone Testosterone
A
Progesterone(ng/ml)
0 10 20 30
0 100 200 300
2004/3 2004/6 2004/9 2004/12 2005/3 2005/6 2005/9 2005/12 2006/3 2006/6
Date
Testosterone(pg/ml)
Progesterone Testosterone
Gestation Gestation
B
Progesterone(ng/ml)
Fig.5-14 Comparing changes in plasma concentration of testosterone (ڦ) with progesterone (ە) during estrus cycle (A) and pregnancy (B).
89 0
5 10 15
0 10 20 30 40 50
2005/6 2005/9 2005/12 2006/3 2006/6
E s tr ad io l-17 ββββ (pg/m l)
Progesterone Estradiol-17β
P ro g ester o n e( n g /m l)
Fig.5-15 Comparing changes in plasma concentration of estradiol-17ș (ڸ) with progesterone (ە) during estrus cycle.
90 0
5 10 15
0.0 0.5 1.0 1.5 2.0 2.5 5
2005/6 2005/9 2005/12 2006/3 2006/6
ir -inhi bi n( ng /m l)
P roge s te rone (ng/ m l)
Date
Fig.5-16 Comparing changes in plasma concentration of ir-inhibin (ی) with progesterone (ە) during estrus cycle.
91 0
1 2 3
0 10 20 30 40 50
2005/6 2005/9 2005/12 2006/3
Date
Estradiol-17ββββ(pg/ml) ir-inhibin Estradiol-17β
ir -i n h ib in (n g /m l)
Fig.5-17 Comparing changes in plasma concentration of ir-inhibin (ی) with estradiol-17ș (ڸ) during estrus cycle.
92
㸴❶㸴❶
㸴❶㸴❶ ග⥺ฎ⌮ග⥺ฎ⌮ග⥺ฎ⌮ග⥺ฎ⌮ἲࢆᐇࡋࡓἲࢆᐇࡋࡓἲࢆᐇࡋࡓᙜἲࢆᐇࡋࡓᙜᙜᙜṓṓṓṓ㞤㞤㞤㞤㤿㤿㤿㤿ࡢ⏕Ṫࡢ⏕Ṫࡢ⏕Ṫࡢ⏕ṪෆศἪᏛⓗኚෆศἪᏛⓗኚෆศἪᏛⓗኚෆศἪᏛⓗኚ
㸴㸫㸯㸬ᐇ㦂ࡢ⫼ᬒ 㸴㸫㸯㸬ᐇ㦂ࡢ⫼ᬒ 㸴㸫㸯㸬ᐇ㦂ࡢ⫼ᬒ 㸴㸫㸯㸬ᐇ㦂ࡢ⫼ᬒ
ᛶᡂ⇍ࡣࠊ㞝࡛ࡣ㞤ࢆዷፎࡉࡏࡿ≧ែࠊ㞤࡛ࡣ㞝㓄ࡍࡿࡇ࡛ዷፎࡋ
࠺ࡿ≧ែࡲ࡛ᡂ㛗ࡋࡓ⏕Ṫ⏕⌮Ꮫ≧ែࢆゝ࠺ࠋᶵⓎືࡣ⏕ṪჾࡢⓎ⫱ࡀ㛤 ጞࡉࢀࠊ⏕Ṫᶵ⬟ࡢ୍㒊ࡀⓎ⌧ࡍࡿ≧ែᐃ⩏ࡉࢀ࡚࠸ࡿࠋ㞝࡛ࡣࠊ⢭ᕢࡢᛴ
⃭࡞Ⓨ⫱ࡸ⢭Ꮚᙧᡂ⬟ࡢ㛤ጞࠊ㞤࡛ࡣ༸ᕢ࡛༸⬊ࡀᛴ⃭Ⓨ⫱ࡋ࡚ึ༸ࡀㄏ
㉳ࡉࢀࡿᮇࢆពࡍࡿࠋᶵⓎືࡢᮇࡣẼೃࠊᏘ⠇ࠊᰤ㣴≧ែ࡞ᵝࠎ࡞
せᅉࡼࡾኚࡋࠊရ✀ࡸ㑇ఏⓗせᅉ࠸ࡗࡓಶయᕪࡶ⏕ࡌࡸࡍ࠸ࠋ≉࣐࢘
ࡣࠊᆺⓗ࡞㛗᪥Ꮨ⠇⦾Ṫື≀࡛࠶ࡾᏘ⠇ࡼࡿ᪥↷ࡢ㛗ࡉᙳ㡪ࢆཷࡅࡿࠋ 㞤࣐࢘ࡢᶵⓎືࡣࠊ㹼 ࢝᭶㱋࡛㉳ࡇࡾࠊᛶᡂ⇍ࡣ 㹼 ᭶㱋࡛࠶
ࡿࠋ㞝࣐࢘ࡣࠊ㹼 ᭶㱋࡛⢭Ꮚ⏕⏘ࡀࡣࡌࡲࡾ ࢝᭶๓ᚋ࡛ᛶᡂ⇍㐩 ࡍࡿ㸦᳃ࡽ㸧ࠋ
㏆ᖺࠊࢃࡀᅜࡢ➇㉮㤿⏕⏘࡛⦾Ṫࢩ࣮ࢬࣥࡢ᪩ᮇࡀ㐍ࢇ࡛࠾ࡾࠊࠊ ᭶
⏕ࡲࢀࡢᏊ㤿ࡶぢࡽࢀࡿࡼ࠺࡞ࡗ࡚ࡁࡓࠋࢃࡀᅜࡢ⮬↛⎔ቃୗ࡛ࡣࢧࣛࣈࣞ
ࢵࢻࡢᏘ⠇⦾Ṫᛶࡼࡾࠊ㏻ᖖࠊ㞤࣐࢘ࡣ 㹼 ᭶㡭༸ࡀጞࡲࡿࡓࡵࠊࠊ ᭶⏕ࡲࢀࡢᏊ㤿ࢆ⏘ࡴࡇࡣ㞴ࡋ࠸ࠋࡑࡇ࡛ࠊ࣐࢘⏕⏘∾ሙ࡛ࡣࠊ᪥↷㛫 ࡢ▷࠸ ᭶ࡽ㤿ᡣෆ 㛫ࠊኪ 㛫ࡢ↷᫂⎔ቃࢆసฟࡋࠊேⅭ
ⓗ᪥↷㛫ࢆᘏ㛗ࡍࡿග⥺ฎ⌮ἲࢆ⏝࠸ࡿࡇ࡛ࠊ㞤࣐࢘ࡢࢩ࣮ࢬࣥึᅇ
༸ࡢ᪩ᮇࢆㄏⓎࡋ࡚ ࠊ ᭶༸ࡍࡿฎ⨨ࡀ⏝࠸ࡽࢀ࡚࠸ࡿࠋ
ࡍ࡞ࢃࡕࠊ㛗᪥Ꮨ⠇⦾Ṫື≀࡛࠶ࡿ࣐࡛࢘ࡣࠊ᪥↷㛫ࡀ༙᪥ࢆୖᅇࡿ㛗᪥
ᮇᛶ⭢ᶵ⬟ࡀ㈿άࡉࢀࠊ㓄ྍ⬟࡞≧ែ࡞ࡿࠋ▷᪥ᮇ㤿ᡣෆࢆ↷᫂ࡍ
ࡿࡇࡼࡗ࡚ேⅭⓗ㛗᪥ᮇࢆసࡾฟࡍග⥺ฎ⌮ἲࡣࠊ࣐࢘ࡢᛶ⭢ᶵ⬟ࢆ᪩
ᮇ㈿άࡋࠊ༸ࢆಁ㐍ࡍࡿࡇ⏝ࡉࢀ࡚࠸ࡿࠋ㸦%XUNKDUGWࠊ
93
)UHHGPDQHWDO㸧ࡲࡓࠊ⫱ᡂ୰ࡢࢧࣛࣈࣞࢵࢻࡢ࠾࠸࡚ࡶග⥺ฎ⌮ἲ
ࡼࡾࠊᶵⓎືࡢ᪩ᮇࡸẟⰏࡢኚ㸦.XQLLHWDOࠊ㸧ࠊ➽⫗ࡢቑᙉస⏝
㸦ᒸ㔝ࠊ㸧ࡀ☜ㄆࡉࢀ࡚࠸ࡿࠋ
ᮏ◊✲࡛ࡣࠊ㞤ࢧࣛࣈࣞࢵࢻ ṓࡢࡽ ṓࡢࡅ࡚ග⥺ฎ⌮ἲࢆ
ᐇࡋࠊ⏕యࡢෆศἪⓗኚࠊᛶ⭢ࡢኚཬࡧ⿕ẟࡢኚࡘ࠸᳨࡚ウࡋࡓࠋ
94
㸴㸫㸰㸬ᮦᩱ࠾ࡼࡧ᪉ἲ 㸴㸫㸰㸬ᮦᩱ࠾ࡼࡧ᪉ἲ㸴㸫㸰㸬ᮦᩱ࠾ࡼࡧ᪉ἲ 㸴㸫㸰㸬ᮦᩱ࠾ࡼࡧ᪉ἲ
㸴㸫㸰㸫㸯㸬౪ヨື≀
㸴㸫㸰㸫㸯㸬౪ヨື≀
㸴㸫㸰㸫㸯㸬౪ヨື≀
㸴㸫㸰㸫㸯㸬౪ヨື≀
ᾏ㐨᪥㧗ᆅ༊࡛㣫㣴ࡉࢀ࡚࠸ࡓ ᖺ⏕ࡲࢀࡢࢧࣛࣈࣞࢵࢻ✀㞤㤿 㢌
ࢆ⏝࠸ࡓࠋࡑࡢ࠺ࡕࠊ 㢌ࡘ࠸࡚ࠊ ᖺ ᭶ ᪥ࡽ ᭶ ᪥ࡲ࡛ࡢ⣙
ࣨ᭶㛫ග⥺ฎ⌮ἲࢆᐇࡋࡓ㸦௨ୗࠊ(3 ⩌㸧ࠋṧࡾࡢ 㢌ࡣᑐ↷⩌ࡋ࡚ࠊ⮬
↛ගࡢࡳ࡛㣫⫱ࡋࡓࠋ
㸴㸫㸰㸫㸰㸬 㸴㸫㸰㸫㸰㸬 㸴㸫㸰㸫㸰㸬
㸴㸫㸰㸫㸰㸬ග⥺ฎ⌮ග⥺ฎ⌮ග⥺ฎ⌮ἲᐇ㦂᧯సග⥺ฎ⌮ἲᐇ㦂᧯సἲᐇ㦂᧯సἲᐇ㦂᧯స
ග⥺ฎ⌮ἲࡣࠊ㤿ᡣෆኳ
࣡ࢵࢺࡢⓑⰍ㟁⌫ࢆタ⨨ࡋࠊ᫂ᮇ 㛫ࠊ ᬯᮇ 㛫ࡢ↷᫂᮲௳ࢆࢱ࣐࣮᧯సࡼࡾసฟࡋࡓࠋẖ㐌
ᅇ᥇⾑ࡍࡿࡶࠊ୧⩌ࡑࢀࡒࢀᐇ㦂㛤ጞ ࣨ᭶Ⅼ࠾࠸࡚ẟⰏࡢホ౯ࢆ⾜ࡗࡓࠋෆศ ἪᏛⓗኚࢆㄪࡿࡓࡵࠊ᥇⾑ࡋࡓ⾑ᾮࢆ⏝࠸࡚ࠊ㯤యᙧᡂ࣍ࣝࣔࣥ㸦/+㸧ࠊ
༸⬊่⃭࣍ࣝࣔࣥ㸦)6+㸧ࠊࣉࣟࣛࢡࢳࣥࠊࣥࣄࣅࣥࠊࢸࢫࢺࢫࢸࣟࣥࠊ࢚ࢫ
ࢺࣛࢪ࣮࢜ࣝࢆࣛࢪ࣒࢜ࣀࢵࢭ㸦5,$㸧ἲ࡚ࠊࣉࣟࢪ࢙ࢫࢸࣟࣥࢆ㛫
ศゎ⺯ගච ᐃἲ㸦75),$㸧࡚ ᐃࡋࡓࠋ
㸴㸫㸰㸫㸱㸬⾑ᾮࡢ᥇ྲྀ࠾ࡼࡧฎ⌮
㸴㸫㸰㸫㸱㸬⾑ᾮࡢ᥇ྲྀ࠾ࡼࡧฎ⌮
㸴㸫㸰㸫㸱㸬⾑ᾮࡢ᥇ྲྀ࠾ࡼࡧฎ⌮
㸴㸫㸰㸫㸱㸬⾑ᾮࡢ᥇ྲྀ࠾ࡼࡧฎ⌮
᥇⾑ࡣࠊᐇ㦂ᮇ㛫୰ࠊ㹼 ᭶ࡲ࡛ࡣ᭶ ᅇࠊࡑࢀ௨㝆ࡣẖ㐌ࠊ㢁㟼⬦ࡽ
ࣃࣜࣥฎ⌮┿✵᥇⾑⟶㸦ࢸࣝࣔࠊᮾி㸧ࢆ⏝࠸࡚⾜ࡗࡓࠋ᥇⾑ᚋࡣࠊịୖ࡛ಖ Ꮡࡋࠊ࡛ࡁࡿࡔࡅ㏿ࡸ Υࠊ*
࡛ ศ㛫㐲ᚰࡋ࡚⾑₢ࢆศ㞳ࡋࡓࠋᚓࡽࢀࡓ⾑₢ࡣࠊྛ✀࣍ࣝࣔࣥ ᐃࡲ࡛㸫Υ࡚⤖ಖᏑࡋࡓࠋ
㸴㸫㸰㸫㸲㸬⿕ẟ 㸴㸫㸰㸫㸲㸬⿕ẟ 㸴㸫㸰㸫㸲㸬⿕ẟ
㸴㸫㸰㸫㸲㸬⿕ẟࡢホ౯ࡢホ౯ࡢホ౯ࡢホ౯
ᐇ㦂㛤ጞ ࣨ᭶ࡢⅬ࠾࠸࡚ࠊ
ྡࡢホ౯⪅ࡼࡾ (3 ⩌
㢌ࠊᑐ↷⩌ 㢌ࡘ࠸࡚┣᳨ⓗホ౯ࢆ⾜࠸ࠊࡑࡢホ౯Ⅼࢆẚ㍑ࡋࡓࠋホ౯Ⅼࡣࠊ
ࠕⰋ࠸ࠖࢆ
95
Ⅼࠊ ࠕᬑ㏻ࠖࢆ Ⅼࠊ ࠕᝏ࠸ࠖࢆ Ⅼࡢ ẁ㝵ホ౯ࡼࡾ᥇Ⅼࡋࡓࠋ
㸴㸫㸰㸫㸴㸫㸰㸫
㸴㸫㸰㸫㸴㸫㸰㸫㸳㸳㸳㸳㸬㞤࣐࢘ࡢึᅇ༸㸬㞤࣐࢘ࡢึᅇ༸㸬㞤࣐࢘ࡢึᅇ༸㸬㞤࣐࢘ࡢึᅇ༸
ึᅇ༸ᮇࢆ⾑୰ࣉࣟࢪ࢙ࢫࢸࣟࣥ⃰ᗘࡀ QJPO ௨ୖࢆ♧ࡋࡓ᪥ࡢ
㐌
๓タᐃࡋࡓࠋ
㸴㸫㸰㸫㸴㸫㸰㸫
㸴㸫㸰㸫㸴㸫㸰㸫㸴㸴㸴㸬⤫ィฎ⌮㸴㸬⤫ィฎ⌮㸬⤫ィฎ⌮㸬⤫ィฎ⌮
ࡍ࡚ࡢ⤖ᯝࡣࠊ
ᖹᆒsᶆ‽ㄗᕪ࡛♧ࡋࡓࠋ ୧⩌㛫ࡢ࣍ࣝࣔࣥ⃰ᗘࡢẚ㍑ࢆ
ඖ㓄⨨ࡢศᩓศᯒཬࡧ 3RVW+RF ࢸࢫࢺࠊẟⰏࡢホ౯ࡢẚ㍑ࡣ 0DQQ:KLWQH\
ࡢ8
᳨ᐃࢆ⏝࠸࡚ࠊ᭷ពᕪࢆุᐃࡋࡓࠋ
࡚ࡢ⤫ィฎ⌮㛵ࡋ࡚ࠊ᭷ពỈ‽
௨ୗ࡛᭷ពุᐃࡋࡓࠋ
96
㸴㸫㸱㸬⤖ᯝ 㸴㸫㸱㸬⤖ᯝ 㸴㸫㸱㸬⤖ᯝ 㸴㸫㸱㸬⤖ᯝ
㸴㸫㸱㸫㸯㸬⾑୰
㸴㸫㸱㸫㸯㸬⾑୰
㸴㸫㸱㸫㸯㸬⾑୰
㸴㸫㸱㸫㸯㸬⾑୰ྛ✀ྛ✀ྛ✀࣍ࣝࣔࣥ⃰ᗘྛ✀࣍ࣝࣔࣥ⃰ᗘ࣍ࣝࣔࣥ⃰ᗘࡢ࣍ࣝࣔࣥ⃰ᗘࡢࡢࡢኚኚኚኚ
㸴㸫㸱㸫㸯㸫㸯㸬ࣉࣟࣛࢡࢳࣥ㸦 㸴㸫㸱㸫㸯㸫㸯㸬ࣉࣟࣛࢡࢳࣥ㸦 㸴㸫㸱㸫㸯㸫㸯㸬ࣉࣟࣛࢡࢳࣥ㸦
㸴㸫㸱㸫㸯㸫㸯㸬ࣉࣟࣛࢡࢳࣥ㸦)LJ)LJ)LJ)LJDDD㸧D㸧㸧㸧
ᑐ↷⩌࡛ࡣࠊ ᭶ୖ᪼ࡋࡓᚋ ᭶ࡲ࡛ప್ࢆ⥔ᣢࡋࡓᚋࠊୖ᪼ഴྥࢆ♧ࡋ
ࡓࠋග⥺ฎ⌮⩌࡛ࡣࠊ ᭶ࠊ ᭶ᛴ⃭ୖ᪼ࡋࠊࡑࡢᚋࡣࠊୖ᪼పୗࢆ⧞ࡾ㏉ࡋࡓࠋ ᭶௨㝆ࡣࠊග⥺ฎ⌮⩌ࡀᑐ↷⩌ẚ㍑ࡋ࡚ࠊ㧗࠸ഴྥࢆ♧ࡋࠊ ᭶
᭷ព㧗࠸್ࢆ♧ࡋࡓࠋ
㸴㸫㸱㸫㸯㸫㸰㸬 㸴㸫㸱㸫㸯㸫㸰㸬 㸴㸫㸱㸫㸯㸫㸰㸬
㸴㸫㸱㸫㸯㸫㸰㸬㯤యᙧᡂ࣍ࣝࣔࣥ㸦㯤యᙧᡂ࣍ࣝࣔࣥ㸦㯤యᙧᡂ࣍ࣝࣔࣥ㸦/+㯤యᙧᡂ࣍ࣝࣔࣥ㸦/+/+/+㸧㸦㸧㸦㸧㸦)LJ㸧㸦)LJ)LJE)LJ EEEࠊࠊࠊࠊ)LJ)LJ)LJ)LJDFDFDFDF
᭶ࡽ ᭶ࡲ࡛ࡢᑐ↷⩌ග⥺ฎ⌮⩌ࡢ⾑୰
/+ ⃰ᗘࡢᖹᆒ್ࡢኚࢆࠊ)LJ E
♧ࡍࠋࡲࡓࠊ୧⩌ࡢ ᭶ࡽ ᭶ࡲ࡛ࡢಶయࡈࡢ⾑୰ /+ ⃰ᗘࢆ )LJ
DF ♧ࡍࠋᑐ↷⩌࡛ࡣࠊ ᭶ࡽ⦆ࡸ࡞ୖ᪼ࢆ♧ࡋࡓࡀࠊග⥺ฎ⌮⩌࡛ࡣᛴ⃭ୖ᪼ࡋࠊ ᭶ࡲ࡛ග⥺ฎ⌮⩌ࡀᑐ↷⩌ẚ㍑ࡋ࡚ࠊ㧗࠸್ࢆ♧ࡋࡓࠋ
୧⩌ࡶಶయᕪࡀࡁࡃ᭷ពᕪࡣㄆࡵࡽࢀ࡞ࡗࡓ㸦)LJE㸧ࠋ୧⩌ࡶ⾑
୰
/+ ⃰ᗘಶయ㛫ࡢࣂࣛࢶ࢟ࡀࡁࡗࡓࡇࡽࠊ ᭶ࡽ ᭶ࡲ࡛ࡢ⾑୰
/+ ⃰ᗘࢆಶయࡈࣉࣟࢵࢺࡋࡓ⤖ᯝࠊ ᭶ࡲ࡛ࡣࠊ୧⩌ࡶ QJPO ࢆ㉸
࠼ࡿ⾑୰ /+ ⃰ᗘࢆ♧ࡍಶయᩘࡣࠊྠᩘ࡛࠶ࡗࡓࡀࠊ ᭶௨㝆ࡣࠊග⥺ฎ⌮⩌ࡀ ከ࠸ഴྥࢆ♧ࡋࡓࠋࡲࡓࠊ ᭶௨㝆ࡣࠊග⥺ฎ⌮⩌࡛ࡣࠊQJPO
௨ୖࢆ♧ࡍಶయᩘࡶᑐ↷⩌ẚ࡚ከࡃࠊග⥺ฎ⌮⩌ࡀᑐ↷⩌ẚ࡚ᖹᆒ⾑
୰
/+ ⃰ᗘࡀ㧗࠸್ࢆ♧ࡋࡓ㸦)LJDF㸧ࠋ
㸴㸫㸱㸫㸯㸫㸱㸬 㸴㸫㸱㸫㸯㸫㸱㸬 㸴㸫㸱㸫㸯㸫㸱㸬
㸴㸫㸱㸫㸯㸫㸱㸬༸⬊่⃭࣍ࣝࣔࣥ㸦༸⬊่⃭࣍ࣝࣔࣥ㸦༸⬊่⃭࣍ࣝࣔࣥ㸦)6+༸⬊่⃭࣍ࣝࣔࣥ㸦)6+)6+)6+㸧㸦㸧㸦㸧㸦)LJ㸧㸦)LJ)LJF)LJ FFF㸧㸧㸧㸧
୧⩌ඹࠊ ᭶ࡽ ᭶ࡲ࡛ࠊ ࡰ୍ᐃࡢᇶᗏ್ࢆ⥔ᣢࡋࠊ ୧⩌㛫ᕪࡣㄆࡵ
97
ࡽࢀ࡞ࡗࡓࠋ
㸴㸫㸱㸫㸯㸫㸲㸬ࣥࣄࣅࣥ㸦 㸴㸫㸱㸫㸯㸫㸲㸬ࣥࣄࣅࣥ㸦 㸴㸫㸱㸫㸯㸫㸲㸬ࣥࣄࣅࣥ㸦
㸴㸫㸱㸫㸯㸫㸲㸬ࣥࣄࣅࣥ㸦)LJ)LJ)LJ)LJGGG㸧G㸧㸧㸧
ᑐ↷⩌࡛ࡣࠊ ᭶ࡽ ᭶ࡲ࡛⦆ࡸ࡞ୖ᪼ഴྥࢆ♧ࡋࡓࡢᑐࡋ࡚ࠊග⥺
ฎ⌮⩌࡛ࡣࠊ ᭶ࡽ ᭶ࡲ࡛ࠊࡰ୍ᐃࡢ್ࢆ♧ࡋࡓࠋ୧⩌㛫ᕪࡣㄆࡵࡽ
ࢀ࡞ࡗࡓࠋ
㸴㸫㸱㸫㸯㸫㸳㸬ࣉࣟࢪ࢙ࢫࢸࣟࣥ㸦 㸴㸫㸱㸫㸯㸫㸳㸬ࣉࣟࢪ࢙ࢫࢸࣟࣥ㸦 㸴㸫㸱㸫㸯㸫㸳㸬ࣉࣟࢪ࢙ࢫࢸࣟࣥ㸦
㸴㸫㸱㸫㸯㸫㸳㸬ࣉࣟࢪ࢙ࢫࢸࣟࣥ㸦)LJ)LJ)LJ)LJHHHHࠊࠊࠊࠊ)LJ)LJ)LJ)LJEGEGEG㸧EG㸧㸧㸧
᭶ࡽ ᭶ࡲ࡛ࡢᑐ↷⩌ග⥺ฎ⌮⩌ࡢ⾑୰ࣉࣟࢪ࢙ࢫࢸࣟࣥ⃰ᗘࡢᖹᆒ
್ࡢኚࢆࠊ)LJH ♧ࡋࡓࠋࡲࡓࠊ୧⩌ࡢ ᭶ࡽ ᭶ࡲ࡛ࡢಶయࡈ
ࡢ⾑୰ࣉࣟࢪ࢙ࢫࢸࣟࣥ⃰ᗘࢆ )LJEG ♧ࡋࡓࠋ⾑୰ࣉࣟࢪ࢙ࢫࢸ
ࣟࣥ⃰ᗘࡣࠊᑐ↷⩌࡛ࡣࠊ ᭶ࡲ࡛ప್ࢆ♧ࡋࠊ ᭶ࡽ ᭶᫂ࡽ࡞ୖ᪼ࢆ
♧ࡋࡓࠋ୍᪉ࠊග⥺ฎ⌮⩌࡛ࡣࠊ ᭶ࡽୖ᪼ࡋࠊ ᭶ࡲ࡛ᑐ↷⩌ẚ㍑ࡋ࡚㧗
࠸್ࢆ♧ࡋࡓ㸦)LJH㸧ࠋ ᭶ࡽ ᭶ࡲ࡛ࡢ⾑୰ࣉࣟࢪ࢙ࢫࢸࣟࣥ⃰ᗘ
ࢆಶయࡈࣉࣟࢵࢺࡋࡓ⤖ᯝࠊᑐ↷⩌࡛ࡣࠊ ᭶ࡲ࡛ࡣࠊప್ࢆ♧ࡋࠊ ᭶
ࡽ㧗್ࢆ♧ࡍಶయࡀㄆࡵࡽࢀࡓࠋ୍᪉ࠊග⥺ฎ⌮⩌࡛ࡣࠊ ᭶ࡽ㧗್ࢆ♧ࡍಶ యࡀฟ⌧ࡋࡓ㸦)LJEG㸧ࠋ
㸴㸫㸱㸫㸯㸫㸴㸬࢚ࢫࢺࣛࢪ࣮࢜ࣝ㸦 㸴㸫㸱㸫㸯㸫㸴㸬࢚ࢫࢺࣛࢪ࣮࢜ࣝ㸦 㸴㸫㸱㸫㸯㸫㸴㸬࢚ࢫࢺࣛࢪ࣮࢜ࣝ㸦
㸴㸫㸱㸫㸯㸫㸴㸬࢚ࢫࢺࣛࢪ࣮࢜ࣝ㸦)LJ)LJ)LJ)LJIIII㸧㸧㸧㸧
ᑐ↷⩌ග⥺ฎ⌮⩌ඹ ᭶ᚋ༙ࡽୖ᪼ࢆ♧ࡋࡓࡀࠊ୧⩌㛫ᕪࡣㄆࡵࡽ
ࢀ࡞ࡗࡓࠋ
㸴㸫㸴㸫
㸴㸫㸴㸫㸱㸫㸰㸬⿕ẟ㸱㸫㸰㸬⿕ẟ㸱㸫㸰㸬⿕ẟ㸱㸫㸰㸬⿕ẟࡢホ౯㸦ࡢホ౯㸦ࡢホ౯㸦)LJࡢホ౯㸦)LJ)LJ)LJ)LJ)LJ)LJ㸧)LJ 㸧㸧㸧
ᑐ↷⩌ග⥺ฎ⌮⩌ࡢ௦⾲ࡢ┿ࢆࠊ)LJ ࠊホ౯⪅ࡼࡿホ౯⤖ᯝ
ࢆ )LJ ♧ࡋࡓࠋ
ᑐ↷⩌࡛ࡣࠊẟࡀṧࡗ࡚࠸ࡿࡢᑐࡋ࡚ග⥺ฎ⌮⩌ࡣࠊ
98
ẟࡀᢤࡅ࡚ኟẟኚࡿኚࡀほᐹࡉࢀࠊ୧⩌㛫᫂ࡽ࡞㐪࠸ࡀㄆࡵࡽࢀࡓࠋ
⿕ẟࡢホ౯ࡣࠊග⥺ฎ⌮⩌ࡢᖹᆒⅬࡀ
Ⅼ㸦s㸧࡛࠶ࡗࡓࡢᑐࡋ
࡚ࠊᑐ↷⩌ࡢᖹᆒⅬࡀ
Ⅼ㸦s㸧࡛࠶ࡾࠊග⥺ฎ⌮⩌ࡀᑐ↷⩌ẚ㍑
ࡋ࡚ࠊ᭷ព㧗࠸್ࢆ♧ࡋࡓࠋ
㸴㸫㸱㸫㸱㸬ึᅇ༸
㸴㸫㸱㸫㸱㸬ึᅇ༸
㸴㸫㸱㸫㸱㸬ึᅇ༸
㸴㸫㸱㸫㸱㸬ึᅇ༸ᮇᮇᮇ㸦ᮇ㸦㸦㸦)LJ)LJ)LJ)LJ㸧㸧㸧㸧
᭶ ᪥ࡽ ᭶ ᪥ࡲ࡛ࡢᐇ㦂ᮇ㛫୰ึᅇ༸ࡢ㉳ࡇࡗࡓ㢌ᩘࡣࠊ
ᑐ↷
⩌࡛ࡣࠊ 㢌୰ 㢌ࠊග⥺ฎ⌮⩌࡛ࡣࠊ 㢌୰㸴㢌࡛࠶ࡗࡓࠋᑐ↷⩌࡛ࡣࠊึ
ᅇ༸ࡀ㸲᭶ࡣ㸴㢌ㄆࡵࡽࢀࡓࡢᑐࡋ࡚ࠊග⥺ฎ⌮⩌࡛ࡣࠊ
㸰᭶㸱㢌ࠊ 㸱᭶㸰㢌ࠊ㸳᭶㸯㢌ㄆࡵࡽࢀࠊᑐ↷⩌ẚ࡚ࠊග⥺ฎ⌮⩌࡛᫂ࡽ
ึᅇ༸ᮇࡢ᪩ᮇࡀㄆࡵࡽࢀࡓࠋ
99
㸴㸫㸲㸬⪃ᐹ 㸴㸫㸲㸬⪃ᐹ㸴㸫㸲㸬⪃ᐹ 㸴㸫㸲㸬⪃ᐹ
ග⥺ฎ⌮ࡼࡾࠊ
/+ࠊ ࣉࣟࣛࢡࢳࣥࡢศἪࡢ᪩ᮇஹ㐍ࡀࡳࡽࢀࡓࡀࠊ)6+
ࡣ ㄆࡵࡽࢀ࡞ࡗࡓࠋࡋࡋࠊ༸ᕢࡢᙳ㡪ࡀㄆࡵࡽࢀࠊ༸ᕢࡽศἪࡉࢀࡿࣉࣟࢪ࢙ࢫࢸࣟࣥࡢ᪩ᮇୖ᪼ࡀㄆࡵࡽࢀࠊึᅇ༸ࡀ᪩ᮇࡉࢀࡓ᥎ᐹࡉࢀࡓࠋ
࢚ࢫࢺࣛࢪ࣮࢜ࣝࠊࣥࣄࣅࣥࡢ᪩ᮇୖ᪼ࡣㄆࡵࡽࢀ࡞ࡗࡓࠋ
ࣉ ࣟ
ࣛࢡ ࢳ
ࣥ ࡣ ࠊ ୗᆶ
య ๓ⴥ
ࡽ ศ Ἢ ࡉ ࢀ ࡿ⺮ ⓑ ㉁ ࣍ ࣝ ࣔ
ࣥ ࡛ ࠶ࡾ ࠊ 㛗 ᪥ ᮇ ศ Ἢ
㔞
ࡀ ቑຍ
ࡍ ࡿ࣍ ࣝ ࣔ
ࣥ ࡛ ࠶ ࡿ ࠋ ᡂ ⇍ 㞝 㤿 ࠊཤ ໃ
㤿 㸦'KDNDOHWDO㸧 ཬ ࡧ ฟ ⏕ ᚋ ᖺ ௨ ෆ ࡢ Ꮚ 㤿 㸦 '
KDNDOHWDO 㸧 ࡛ ࡶ 㛗 ᪥ ᮇ ศ Ἢ㔞
ࡀ ቑຍ
ࡍ ࡿ ࡇ ࡀሗ ࿌
ࡉ ࢀ ࡚ ࠸ ࡿ ࠋࣉ ࣟ
ࣛ
ࢡ ࢳ
ࣥࢆ ᡂ ⇍ 㞤 㤿 ᢞ ࡍ ࡿ ࡇ ࡼ ࡗ ࡚ ࠊ ༸ ࡢ ᪩ ᮇ ࡀ ㉳ ࡇ ࡿ ሗ ࿌ ࡉ ࢀ ࡚ ࠸ ࡿ 㸦 7 KRPSVRQHWDO㸧 ࡇ ࡽ ࠊ ᮏ ◊ ✲ ࠾ ࡅ ࡿࣉ ࣟ
ࣛ
ࢡ ࢳ
ࣥ⃰ ᗘ ࡢ ୖ ᪼ ࡀ 㞤 ࡢ ṓ 㤿 ㉳ ࡇ ࡗ ࡓ ༸ ࡢ ᪩ ᮇ ࡶ 㛵 ࡋ ࡚࠸ ࡿ ᥎ ᐹ ࡉ ࢀ ࡓ ࠋࡲ ࡓ ࠊⓎ ࿘ ᮇ ୰ ࡢ 㞤 ࢘ ࣐ ࠾ ࠸ ࡚ ࠊࣉ ࣟ ࣛ ࢡ ࢳ ࣥ ࡀ
༸ ๓ ᚋ 㸦 .LQJVHWDO㸧 ࡸ 㯤 య ㏥ ⾜ ࡢ ᮇ 㸦 .LQJVHWDO㸧
ቑ ຍ ࡋ ࠊ༸ ᕢ ⤌ ⧊ ෆ ࣉ ࣟ ࣛ ࢡ ࢳ ࣥ ࡸ ࢻ ࣮ ࣃ ࣑ ࣥ ࣞ ࢭ ࣉ ࢱ ࣮ ࡀ Ꮡ ᅾ ࡍ ࡿ ࡇ 㸦 .LQJVHWDO㸧 ࡽ ࠊ 㞤 ࢘ ࣐ ࠾ ࠸ ࡚ ࠊ ࣉ ࣟ ࣛ ࢡ ࢳ ࣥ ࡀ ༸ ᕢ ᶵ ⬟ 㔜 せ ࡞ ᙺ ࢆ ᢸ ࡗ ࡚ ࠸ ࡿ ࡇ ࡀ ሗ ࿌ ࡉ ࢀ ࡚ ࠸ ࡿ ࠋ
ග ⥺ ฎ ⌮ ἲ ࢆ ᐇ ࡋ ࡓ ṓ 㤿 ࡛ ࡣ ࠊ ᪩ ᮇ
⾑
୰ࣉ ࣟ
ࣛࢡ ࢳ
ࣥ⃰ ᗘ
ࡢ ୖ᪼
ࡀ ㄆ ࡵ ࡽ ࢀ ࡓ ࠋࣉ ࣟ
ࣛࢡ ࢳ
ࣥ ࡣ⬺
ẟຠ ᯝ
ࡀ ࠶ ࡿ ࡇ ࡀሗ ࿌
ࡉ ࢀ ࡚ ࠾ ࡾ ࠊ࣐࢘࠾࠸࡚ࠊග⥺ฎ⌮㸦.RRLVWUDDQG*LQWKHUࠊ1DPERHW
DO.XQLLHWDO6X]XNLHWDO㸧ࠊ ࣉࣟ
ࣛࢡࢳࣥࡢ ᢞ
㸦7KRPSVRQHWDO㸧ࡸࢻࣃ࣑ࣥᣕᢠࡢᢞ㸦'RQDGXHDQG7KRPSVRQ 7KRPSVRQ㸧ࡀ⬺ẟຠᯝࢆಁ㐍ࡍࡿሗ࿌ࡉࢀ࡚࠸ࡿࠋື ≀ ࡛ ࡣ
ᐮ
࠸ ᮇ ࡞ ࡿ
ᐮ
ࡉ ࡽ㌟
య ࢆᏲ
ࡿ ࡓ ࡵ ẟ ࡀఙ
ࡧ ࡚ ࠊᬮ
࠸ ᮇ100
࡞ ࡿ
ఙ
ࡧ ࡓ ẟ ࡀ⬺
ẟ ࡍ ࡿ ࡇ ࡼ ࡗ ࡚ᗘ
⎔ ቃ 㐺 ᛂ
ࡋ ࡚ ࠸ ࡿ ࠋ ᮏ ◊ ✲ ࠾ ࠸ ࡚ ࡶ ṓ 㤿 ࡢ⬺ẟ ࣉ ࣟ
ࣛࢡ ࢳ
ࣥ ࡀ㛵
ࡋ ࡚ ࠸ ࡿ ᥎ ᐹ
ࡉ ࢀ ࡿ ࠋ ࡍ ࡞ ࢃ ࡕ ࠊ ᮏ ◊ ✲ ࡛ ࠊ ග ⥺ ฎ ⌮ ࢆ ᐇ ࡋ ࡓ ࡇ ࡼ ࡾ ࠊ⾑
୰ࣉ ࣟ
ࣛࢡ ࢳ
ࣥ⃰ ᗘ
ࡀ ᪩ ᮇ ୖ᪼
ࡋ ࡓ ࡇ ࡽࣉ ࣟ
ࣛࢡ ࢳ
ࣥ ࡀ ẟ ࡢ⬺
ẟ ࢆ ಁ ࡋ ࠊኟ
ẟ ኚ ࡉ ࡏ ࡓ ᥎ ᐹ
ࡉ ࢀ ࡓ ࠋᮏ◊✲ࡼࡾࠊග⥺ฎ⌮ἲࡣᙜṓ㤿࠾࠸࡚ࡶ᭷⏝࡛࠶ࡿࡇࡀึࡵ࡚᫂ࡽ
ࡉࢀࡓࠋ
101 0
5 10 15 20 25
D J F M A
(b)
/+ᤡQJPOᤢ/+ᤡQJPOᤢ/+ᤡQJPOᤢ/+ᤡQJPOᤢ
0 5 10 15
D J F M A
3URJHVWHURQHᤡQJPOᤢ
* (e)
0 1 2 3
D J F M A
(d)
LULQLKLELQᤡQJPOᤢLULQLKLELQᤡQJPOᤢLULQLKLELQᤡQJPOᤢLULQLKLELQᤡQJPOᤢ
0 5 10 15 20 25
D J F M A
(f)
(VWUDGLROᤡSJPOᤢ(VWUDGLROᤡSJPOᤢ(VWUDGLROᤡSJPOᤢ(VWUDGLROᤡSJPOᤢ
0 2 4 6 8
D J F M A
(c)
)6+ᤡQJPOᤢ)6+ᤡQJPOᤢ)6+ᤡQJPOᤢ)6+ᤡQJPOᤢ
0 1 2 3
D J F M A
EP Control
(a)
3URODFWLQᤡQJPOᤢ3URODFWLQᤡQJPOᤢ3URODFWLQᤡQJPOᤢ3URODFWLQᤡQJPOᤢ
**
Fig6-1 Changes in plasma concentrations of prolactin (a), LH (b), FSH (c), ir-inhibin(d), testosterone (e) and estradiol-17β (f) in Thoroughbred fillies in the extended photoperiod (EP) group (○) and the control group (●) from Dcember at zero year old to May at one year old. Results are expressed as means ± SEM. Letters represent first letter of each month. *P<0.05.
102
Extended Photoperiod
Fig. 6-2. Comparison of hair coat condition of representative fillies (A,B)
in the extended photoperiod group (A) and the control group (B) on March at one year old.
Control A
B
103
EP Control 0
1 2 3
Sc or e of h ai r C oa t
*
Fig.6-3 Comparison of score of hair coat condition between
the extended photoperiod (EP) group (■) and the control group (□) at March.
Results are expressed as means ±SEM. *P<0.05.
104
0 10 20 30 40 50
D J F M A
(c)
Month Extended Photoperiod
/+ᤡQJPOᤢ/+ᤡQJPOᤢ/+ᤡQJPOᤢ/+ᤡQJPOᤢ
0 10 20 30 40 50
D J F M A
(a)
Control
Month
/+ᤡQJPOᤢ/+ᤡQJPOᤢ/+ᤡQJPOᤢ/+ᤡQJPOᤢ
0 5 10 15 20 25
D J F M A
Progesterone(ng/ml)
(d)
Month Extended Photoperiod 0
5 10 15 20 25
D J F M A
Progesterone(ng/ml)
(b)
Month Control
Fig. 6-4. Changes in plasma concentrations of LH (a, c) and progesterone
(b, d) in individual Thoroughbred filly in the control (a, b) and the extended
photoperiod group (c, d) from October to April at one year old. Letters
represent first letter of each month.
105
㸵❶㸵❶㸵❶
㸵❶ ⥲ᣓ⥲ᣓ⥲ᣓ⥲ᣓ
࣐࢘ࡣࠊ⦾Ṫ㛵ࡋ࡚ᵝࠎ࡞≉ᚩࡀᏑᅾࡍࡿࠋ⌧ᅾࠊ᪥ᮏ࠾ࡅࡿ㤿⏕⏘
࠾࠸࡚ࠊ➇㉮㤿⏕⏘ࡀ㒊ศࢆ༨ࡵ࡚࠸ࡿࠋࡑࡢࡼ࠺࡞⌧≧࠾࠸࡚ࠊ⦾Ṫ
㞀ᐖࡣࠊ⦾Ṫᡂ⦼ࡢపୗࢆࡶࡓࡽࡋࠊ ⤒῭ⓗᦆኻࡣࡁ࠸ࠋ⦾Ṫ㞀ᐖ࠾࠸࡚ࠊ
ෆศἪᏛⓗ࡞␗ᖖࡀཎᅉ࡞ࡿࡇࡣᑡ࡞ࡃ࡞࠸ࠋࡋࡋࠊ᪥ᮏࡢࢧࣛࣈࣞࢵࢻ✀ࡢ㞤㤿࠾࠸࡚ࠊヲ⣽࡞ෆศἪᏛⓗゎᯒࡣ⾜ࢃࢀ࡚࠸࡞࠸ࠋࡲࡓࠊ᪥ᮏࡣ
ࡢ㤿⏘ᆅࠊ࠼ࡤࠊࢠࣜࢫࠊࣇࣛࣥࢫࠊࣝࣛࣥࢻࠊ࣮࢜ࢫࢺࣛࣜࠊ
࣓ࣜ࢝࡞ࡣ␗࡞ࡾࠊ᫂░࡞ᅄᏘࡢኚࡀᏑᅾࡍࡿࠋࡇࡢ᪥ᮏ≉᭷ࡢᏘ⠇
ኚ࠾࠸࡚ࠊࢧࣛࣈࣞࢵࢻ✀ࡢ㞤㤿࡛ࡣࡢࡼ࠺࡞ෆศἪᏛⓗኚࡀㄆࡵࡽ
ࢀࡿࡣ᫂ࡽ࡞ࡗ࡚࠸࡞࠸ࠋ
ᮏ◊✲࡛ࡣࠊ᪥ᮏࡢࢧࣛࣈࣞࢵࢻ✀ࡢ㞤㤿࠾࠸࡚ᵝࠎ࡞ࢫࢸ࣮ࢪ࡛ࡢෆศ ἪᏛⓗኚࢆ᫂ࡽࡋࠊᚋࡢ⦾Ṫᡂ⦼ࡢྥୖࡸ⦾Ṫ㞀ᐖࡢゎ᫂ᐤࡍࡿ
ࡇࢆ┠ⓗࡋࡓࠋ
ࡲࡓࠊ㛗᪥Ꮨ⠇⦾Ṫື≀࡛࠶ࡿ⦾Ṫ∷㤿࠾࠸࡚㛗᪥ฎ⌮ࢆࡋࠊ ᭶ࡽ
᭶ࡢ▷᪥ᮇ࡛ࡶ⦾Ṫྍ⬟࡞≧ែࢆ⥔ᣢࡋࠊ㓄ࡀ⾜ࢃࢀ࡚࠸ࡿࠋ㛗᪥ฎ⌮ࡀ ṓ㤿࠾࠸࡚➽⫗ቑᙉస⏝ࡸᶵⓎືࡢ᪩ᮇࠊẟⰏࡢⰋࢆᘬࡁ㉳ࡇࡍࡇ
ࡀ᫂ࡽ࡞ࡗ࡚࠸ࡿࠋ
ᮏ◊✲࡛ࡣࠊ᪥ᮏࡢࢧࣛࣈࣞࢵࢻ✀ࡢᙜṓ㤿࠾࠸࡚㛗᪥ฎ⌮ࡀෆศἪᏛ
ⓗ࣭ᙧែᏛⓗཬࡰࡍᙳ㡪ࡘ࠸࡚ࡶ᳨ウࡋࡓࠋ
㸵㸫㸯㸬ࢧࣛࣈࣞࢵࢻ✀࠾ࡅࡿዷፎᮇࡢෆศἪᏛⓗኚ
㸵㸫㸯㸬ࢧࣛࣈࣞࢵࢻ✀࠾ࡅࡿዷፎᮇࡢෆศἪᏛⓗኚ
㸵㸫㸯㸬ࢧࣛࣈࣞࢵࢻ✀࠾ࡅࡿዷፎᮇࡢෆศἪᏛⓗኚ
㸵㸫㸯㸬ࢧࣛࣈࣞࢵࢻ✀࠾ࡅࡿዷፎᮇࡢෆศἪᏛⓗኚ
࣐࢘ࡢዷፎᮇ㛫ࡣ⣙ ᪥࡛࠶ࡿࠋ㐣ཤࠊከࡃࡢෆศἪᏛⓗゎᯒࡀ⾜ࢃࢀ࡚
ࡁࡓࡀࠊ༢୍ࡢ࣍ࣝࣔࣥኚື࡛࠶ࡗࡓࡾࠊ㝈ᐃࡉࢀࡓᮇ㛫࡛࠶ࡗࡓࡾከ✀ࡢ
࣍ࣝࣔࣥኚືࢆࠊዷፎᮇ㛫ࢆ㏻ࡋ࡚ࠊྠ୍ࢧࣥࣉ࡛ࣝ ᐃ࣭ゎᯒࡋࡓሗ࿌ࡣ
106