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        ¸­»Ä¦b¥Í²z¤W¨ã»²ú@¬¡©Ê¤§«¬ºA«Y5,6,7,8¢w¥|²B¸­»Ä¡A¨ä°Ñ»P¤ÏÀ³¥]¬AáIËï»PáGÔr¤§¦X¦¨¡Bµ·Ói»Ä»P¥ÌÓi»Ä¤§Âà´«¡B¥H¯ÖÓi»Ä£\ºÒ§@¬°³æ¤@ºÒ¨Ó·½¤§¦X¦¨¡B²ÕÓi»Ä¤À¸Ñ¡B¥H¤Î¥Ò²¸Ói»Ä¡BÁxÆP¤Î¯Ý¸¢áGÔr¤§¥Ò°ò¦X¦¨¡C¦¹µ¥¤ÏÀ³¥D­nµo¥Í¦b²Ó­M¤Àµõ¤Î³J¥Õ½è¦X¦¨¤§¹Lµ{¤¤¡A¦]¦¹¹ï¥Íªø§Ö³t¤§²Õ´¬Û·í­«­n¡C¬O¬G¸­»Ä¬°¥Íªø¤¤®a¸V©Ò¥²¶·¡A¤pÂû¯Ê¥F®É±N¥X²{¥Íªø¤£¨}¡BÂЦФ£¨Î¡B³h¦å¤Î·Æ¸x¯g(McDowell, 1989)¡C¨ä¦b¥Í´Þ´Á«h§ó­«­n¡AÃh¥¥´Á¤§¹«©Î¤H¯Ê¥F¸­»Ä©ö³y¦¨¬y²£¤Î­L¨à²§±`(Rothman, 1970¡FMcDowell, 1987)¡FºØÂû»PºØ¤õÂû¯Ê¥F¸­»Ä¤£¦ý¹å¤Æ²v¤U­°¥B­F­Lµo¥Í¦UºØ°©Àf²§±`(Sunde et al., 1950a and 1950b¡FKratzer et al., 1956)¡C¸­»Ä¯Ê¥F¹ïºØÀn¤Î¨ä­F­Lµo¨|¤§¼vÅT«h©|µL¥ô¦ó³ø§i´£¤Î¡C

        ¤@¯ë¦Ó¨¥¡Aºû¥Í¯À¦b²{¤µ¹}®Æ¤¤¤§²K¥[¶q¬ÆÂסA¦bºØÀn¤@¯ë¤£¸·¹¼¥F¡AµM«h¥Ñ©ó¦b¹}®Æ¤¤²K¥[¤§ªvÀø©Î¹w¨¾©ÊÃĪ«ÀݥάƬ°´¶¹M¡A³\¦hÃĪ«¦]»Pºû¥Í¯À§Î¦¨«ú§Ü§@¥Î¡A¾É­Pºû¥Í¯À¤§¯Ê¥F¡A¦p¬°¨¾ªv²yÂίf©Î®a¸VÀN¶Ã©Ò²K¥[¤§ÁDÓiÃÄÃþ¡A¹ï¸­»Ä·|²£¥Í«ú§Ü§@¥Î(Stokstad and Jukes, 1982)¡A°£¦¹¤§¥~¡AúYÎG¾J¤Î¸­»Ä¦bºû¥Í¯À¹w²Vª«¶J¦s´Á¡B¹}®Æ¥´²É¤Î¹}®Æ¶J¦s´Á¶¡¡A¨C­Ó¤ë±N·l¥¢4~5¢H(Coelho, 1991)¡A¥Ñ¦¹¥iª¾¤W­zºØºØ¦]¯À±N³y¦¨¹}®Æ¤¤ºû¥Í¯À§t¶qªº­°§C¡A¥»¬Ù½Å¦âµæÀn¥H²£³J»D¦W©ó¥@¬É¡A¨ä³J¬°¥[¤u¥Î¥Ö³J¤ÎÆP³J¤§¥D­n¨Ó·½¡A¨ä­F­Lµo¨|¤¤¤î®É¦³©Ò»D¡AµM¬ÛÃö¸ê®ÆÂö¦p¡C¥»¸ÕÅ礧¥Øªº¦®¦b±´°QºØ¥ÎµæÀn¯Ê¥FúYÎG¾J©Î¸­»Ä¡A¹ï¨äÀn­F­Lµo¨|¤§¼vÅT¡C

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Table 1. Composition of basal and practical diets

Ingredient Basal Practical

                                            ¢w¢w¢w¢w¢w¢w¢w¢w¢w¢H¢w¢w¢w¢w¢w¢w¢w¢w¢w

Corn

Soybean

Rice

Casein

Corn Starch

Cellulose

Wheat Bran

Fish meal

Yeast

DL-methionine

Tryptophan

Arginine

Soybean oil

Dicalcium phosphate

Limestone

Iodized salt

Vitamin premix

Mineral premix

Choline chloride, 50¢H

Manganese sulfate

Zinc oxide

Sodium bicarbonate

Potassium carbonate

Magnesium sulfate

11

¢w

14

21

29.8

10

¢w

¢w

¢w

0.1

0.05

0.4

2.5

2.2

6.4

0.3

0.3*

0.2**

0.3

¢w

¢w

0.62

0.47

0.35

51.32

27.5

¢w

¢w

¢w

¢w

7.5

3.3

2.0

0.05

¢w

¢w

¢w

1.8

6.0

0.4

0.03***

¢w

0.08

0.0125

0.0075

¢w

¢w

¢w

Calculated value

ME, kcal¡þkg

CP, ¢H

Pyridoxine, mg¡þkg

Folic acid, mg¡þkg

¡@

2977

20.2

0.657

0.152

¡@

2800

20

6

1.5

* Vitamin premix supplied the followings per kg of the basal diet : Vitamin A 15000 IU, Vitamin D3 2400 IU, Vitamin E 50 IU, Vitamin K3 6mg, Thiamin 6 mg, Riboflavin 15 mg, Pantothenic acid 20 mg, Niacin 80 mg, Biotin 0.1 mg, Vitamin B12 0.02mg.

** Mineral premix supplied the followings per kg of the basal diet : ZnO 81mg, CuSO4.5H2 0.27mg, MnSO4.H2O 150mg, FeSO4.7H2O 342mg, Na2SeO3 0.22mg.

***Roche pF-428 /  1 Vitamin concentrate supplied the following per kg of the practical diet : Vitamin A 15000 IU, Vitamin D3 3000 IU, Vitamin E 22.5mg, Vitamin K3 6mg, Thiamin 3mg, Riboflavin 9mg, Vitamin B6 6mg, Pantothenic acid 18mg, Niacin 60mg, Biotin 0.03mg, Folic acid 1.5mg, Vitamin B12 0.03mg.

¢º¡B¸ÕÅç³]­p

Group Code Age, wks Experimental period ¡ð¡þ¡ñ Diet
Pyridoxine deficiency 1 29~57 29 week 15¡þ3 Basal
Folic acid deficiency 2 29~57 29 week 15¡þ3 Basal
Control 3 29~57 29 week 15¡þ3 Basal
Normal 4 29~57 29 week 26¡þ6 Practical

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        (2)¸ÕÅç´Á¤¤¡A¨C¶g¦¬¶°2~3¤é¤§ºØ³J¤J¹å¡A¹å¤Æ´Á¤¤¨C¶g·Ó³JÀˬd¡A±N¤¤¤î³J¨ú¥X¥´¶}§@²§±`¤ÀÃþ¡C¸ÕÅ礤¨Ã°O¿ý¨üºë²v¡B¹å¤Æ²v¡B²§±`²v¤Î²§±`ÀW«×¡C

        (3)¸ÕÅç¸ê®Æ¦p¨üºë²v¡B¦º¤`²v¡B¥¼¹å¥X²v¡B¹å¤Æ²v¤Î²§±`²v¡A¯Ê¥F²Õ»P¹ï·Ó©Î¥¿±`²Õ¤§¤ñ¸û§¡¥HZ­ÈÀË©w®t²§ÅãµÛ©Ê¡C¦U¶µ¸ÕÅ綵¥Ø©w¸q¦p¤U¡G

        a. ¨üºë³J¼Æ«Y¨Ì¾Ú7¤é·Ó³J§P©w¡C

        b. ¨üºë²v¡×¨üºë³J¼Æ¡þ¤J¹å³J¼Æ¡C

        c. ¹å¤Æ²v¡×¹å¥XÂúÀn¼Æ¡þ¨üºë³J¼Æ¡C

        d. ²§±`²v¡×²§±`Àn­F­L¼Æ¡þ¨üºë³J¼Æ¡C

        e. ²§±`ÀW«×¡G¥H¥X²{²§±`¯gª¬¤§°¦¼Æ­pºâ¡C

µ²ªG»P°Q½×

        ¸ÕÅç¤À¤G¶¥¬q¶i¦æ¡A«e15¶gµæÀn¹}¾i©ó¦a­±¡A¸ÕÅç´Á¤¤²Ä¤@¶¥¬q¤§¨üºë²v¡B­F­L¤¤¤î²v¡B¹å¤Æ²v¤Î²§±`²v¦C©óªí2¡C²Ä¤G¶¥¬q¡A¦Û16¶g¨´29¶gµæÀn¹}¾i©óºôª¬Àn§É¤W¡A¦¹´Á¤§¨üºë²vºØ¥ÎµæÀn­F­L¤¤¤î²v¡B¹å¤Æ²v¤Î²§±`²v¦C©óªí3¡C¸ÕÅç´Á¤¤¯Ê¥FúYÎG¾J²Õ¹}®Æ¤¤úYÎG¾J­pºâ¶q0.657mg¡þkg¡A¯Ê¥F¸­»Ä²Õ¹}®Æ¤¤¸­»Ä­pºâ¶q0.152mg¡þkg¡A§¡¬ù¬°³Ì§C»Ý­n¶q(¨H¡A1988)¤§30¢H¡C¸ÕÅçµ²ªGÅã¥Ü¡A¨üºë²v¦b²Ä¤@¶¥¬q¯Ê¥F²ÕÅãµÛ§C©ó¹ï·Ó²Õ¡A²Ä¤G¶¥¬qÁö¤´§C©ó¹ï·Ó²Õ¦ý¥¼¹FÅãµÛ©Ê¡A¬O¬G¯Ê¥FúYÎG¾J©Î¸­»Ä¹ï¨üºë²v¤§¼vÅT¡A¦b¥»¸ÕÅ祼±o¨ì¤@­P¤§µ²ªG¡C¦¹»PÂû¤§µ²ªG¤£¦P¡AFuller et al., (1961)¤§°ò¦¹}®ÆúYÎG¾J§t¶q0.34mg¡þkg¡ALillie et al., (1950)¤§°ò¦¹}®Æ¸­»Ä§t¶q0.338mg¡þkg¡A¤GªÌ¤À§O¹ï¨Ó¯èÂû¤Î·s¨u¥¬®LÂû¶i¦æ¸ÕÅç¡Aµ²ªGµo²{¨üºë²v¥¼¨ü¨ìúYÎG¾J©Î¸­»Ä¯Ê¥F¤§¼vÅT¡C²£³J²v¦b¥»¸ÕÅç²Ä¤@¶¥¬q¤§¯Ê¥F²Õ¨ÃµL¤U­°¤§ÁͶաA¦U²Õ²£³J²v§¡¦b80¢H¤W¤U¡A¦ý¦b²Ä¤G¶¥¬q¯Ê¥FúYÎG¾J²Õ¦b¹}¾i©óºôª¬Àn§É¤K¶g«á²£³J²v­°¨ì0¡A¨ä¥L¦U²Õ²£³J²vÁö¥ç¦³¤U­°µMª½¨ì¸ÕÅçµ²§ô¤´¦b50¢H¥H¤W¡A¦¹¤@µ²ªG»PFuller et al., (1961)¤§µ²ªG¬Û¦ü¡A¦b¸Ó¸ÕÅ礤¥ÀÂû¦b¹}¤©¯Ê¥F®Æ¤§²Ä7~8¶g²£³J²v­°¦Ü1¢H¡C¦³Ãö¸­»Ä¹ï²£³J²v¤§¼vÅT¡ASchweigert et al., (1948)¹ï¨Ó¯èÂû¤Î¤õÂû¡A¥H¤ÎKratzer et al., (1956)¹ï¤õÂû¤§¸ÕÅç¡A§¡«ü¥X¸­»Ä¯Ê¥F¹ï²£³J²vµL¤£¨}¼vÅT¡AµM¦ÓSunde et al., (1950a¡F1950b)«h³ø§i¨Ó¯èÂû¯Ê¥F¸­»Ä¼Æ¶g«á±N¾É­P²£³J¤U­°¡A¦ýµÛªÌ¥ç«ü¥X¸­»Ä§t¶q¸û0.258 mg¡þkgµy°ª§Yº¡¨¬²£³J¤§»Ý­n¡C«e­z¬ã¨s³ø§i¹ï²£³J²vµL¼vÅT¡A¥i¯à§Y¦]¹}®Æ¤¤¸­»Ä§t¶q0.31~0.42mg¡þkg¸û°ª¡C¥»¸ÕÅç°ò¦¹}®Æ¸­»Ä­pºâ¶q¶È0.152mg¡þkg¡A¦¹¬O§_Åã¥ÜÀn¦b²£³J¤W¹ï¸­»Ä¤§»Ý­n¶q¸ûÂû§C¡A«hµS«Ý§ó¶i¤@¨B¤§¬ã¨sÃÒ©ú¡C

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Table 2. The effect of dietary isoleucine levels on the laying performance of Tsaiya duck

Item Isoleucine levels, ¢H
0.50 0.60 0.70 0.80 0.90 1.00 S.E.
Egg production¡A¢H

Egg weight¡Ag

Feed conversion¡Ag Feed¡þg Egg

Body weight change¡A¢H

84.37c

62.50

4.33

-5.98

87.08bc

62.72

4.27

-5.16

87.94bc

62.48

4.25

-5.47

91.60ab

62.61

4.01

-5.52

93.06a

61.94

4.13

-6.09

90.59ab

61.43

3.99

-5.99

1.64

0.43

0.23

0.94

a,b,c  Means within the same row with different superscripts differ(P<0.05).

ªí3. ¹}³²§¥ÕÓi»Ä§t¶q¹ï²£³JµæÀn³J´ß«~½è»P¨üºë²v¤Î¹å¤Æ²v¤§¼vÅT

Table 3. The effect of dietary isoleucine levels on the egg shell quality, fertility and hatchability of Tsaiya duck

Item Isoleucine levels¡A¢H S.E.
0.50 0.60 0.70 0.80 0.90 1.00
Egg shell strength¡Akg¡þcm2 3.63 3.68 3.72 3.76 3.74 3.53 0.08
Egg shell thickness¡A0.01mm 40.06 39.45 39.22 39.83 40.90 40.38 0.27
Egg shell weight¡þEgg weight¡A¢H 9.91 9.95 9.86 9.88 10.12 10.06 0.08
Fertility¡A¢H 96.33 96.26 97.58 98.20 96.05 97.44 1.13
Hatchability¡A¢H 88.59 90.89 87.71 91.02 90.43 92.40 2.21

        ¹å¤Æ²v¦b¸ÕÅç²Ä¤@¶¥¬q¡A¤G¯Ê¥F²Õ¸û¹ï·Ó²Õ¤Î¥¿±`²Õ§C10.4~18.5¢H(¦pªí2)®t²§·¥ÅãµÛ(P¡Õ0.01)¡A¦b²Ä¤G¶¥¬q¯Ê¥FúYÎG¾JÁö¤´¸û¹ï·Ó²Õ¤Î¥¿±`²Õ§C¡A¦ý¶È1.5~2.9¢H(¦pªí3)¡A®t¶Z¥¼¹FÅãµÛ¡F¯Ê¥F¸­»Ä²Õ«h¸û¹ï·Ó²Õ¤Î¥¿±`²Õ§C10~11.4¢H¡AÅã¥Ü¯Ê¥F¸­»Ä¹ï¹å¤Æ²v¤§¼vÅT¸ûÅãµÛ(P¡Õ0.05)¡CFuller et al., (1961)¶i¦æ¸ÕÅç®É¡Aµo²{¥ÀÂû¹}¤©¯Ê¥FúYÎG¾J¹}®Æ¤@¶g«á¡A¹å¤Æ²v§Y¤U­°¡A²Ä¤­¶g¤U­°¦Ü0¡A¦b¥»¸ÕÅ礤¥¼µo²{¦p¦¹¤§ÁͶաA¦¹¥i¯à¦]¸ÕÅ礤¯Ê¥F®ÆúYÎG¾J¤§§t¶q0.657mg¡þkg¸û°ª¡AµM¦¹¤´«Ý¶i¤@¨B¬ã¨s¥HÄÄ©ú¤§¡C¦³Ãö¸­»Ä¹ï¹å¤Æ²v¤§¼vÅT¡A¦b¨Ó¯èÂûÁý¹}¸­»Ä§t¶q0.258mg¡þkg(Lillie et al., 1950)¡B·s¨u¥¬®LÂûÁý¹}¸­»Ä§t¶q0.26mg¡þkg(Sunde et al., 1950a)¤Î¤õÂûÁý¹}¸­»Ä§t¶q§C¦¸0.7mg¡þkg(Kratzer et al., 1956)¤§¬ã¨s§¡«ü¥X±N«ü¾É­P¹å¤Æ²v¤W­°¡A¦¹µ¥µ²ªG»P¥»¸ÕÅçµ²ªG¬Û¦P¡A¦ýSchweigert et al., (1948)«h³ø§i¯Ê¥F¸­»Ä¹ï¤õÂû¤Î¨Ó¯èÂû¤§¹å¤Æ²vµL¼vÅT¡A±À´ú¦¹¥i¯à«Y¦]¨ä¹}®Æ¤¤¸­»Ä§t¶q0.42mg¡þkg¸û«e­z³ø§i°ª¡A¥B¸ÕÅç«Y¦b¥­¹}±ø¥ó¤U¶i¦æ¨ü¨ì­¹ÁT¤§¤zÂZ¡A¦Ü©ó¯u¥¿¤§­ì¦]«h¤£½Tª¾¡C¥À¸V­Y¥H¹}¤©¯Ê¥F¹}®Æ¡A¹å¤Æ²v¤U­°¦Ü¬Æ§C©Î0¤§´Á¶¡µø§@ºû¥Í¯À¤§®øºÜ´Á¡AúYÎG¾J¦bÂû¤§®øºÜ´Á¬°4¶g©Î5¶g(Sunde et al., 1950a and 1950b)¡A¸­»Ä¦b¤õÂû¤§®øºÜ´Á¬°80¤é(Kratzer et al., 1956)¡A¦b¥»¸ÕÅ礣½×úYÎG¾J©Î¸­»Ä¯Ê¥F®É§¡¥¼µo²{®øºÜ´Á¤§²{¶H¡A¥i¯à«Y¥Ñ©ó°ò¦¹}®Æ¤¤¸Ó¨âºØºû¥Í¯À§t¶q¬O³Ì§C»Ý­n¶q¤§30¢H¡A§t¶q¸û°ª©Ò»Ý¤§®øºÜ´Á¬Æªø¡A¬G¸ÕÅ礤¥¼µo²{®øºÜ´Á¡CÃö©ó¯Ê¥Fºû¥Í¯ÀÀn­F­L¦º¤`¤§®É¶¡¡AúYÎG¾J¯Ê¥F¥D­nµo¥Í¹å¤Æ´Á²Ä¥|¶g¡A¦¹»P¤õÂûµo¥Í¦b¹å¤Æ´Á«e¤T¶g(Ferguson et al., 1961)¤§µ²ªG¤£¦P¡C¯Ê¥F¸­»ÄÀn­F­Lµo¨|¤¤¤î¥D­nµo¥Í¦b¹å¤Æ²Ä¥|¶g¡A¦b¤õÂûÁö¦³³ø§i°O¸ü­F­L¦º¤`²v°ª¼é¦b¹å¤Æ´Á«e¤@¡B¤G¶g(Ferguson et al., 1961)¡A¦ýÂû©Î¤õÂû¤§¨ä¥L¬ã¨s§¡³ø§i¯Ê¥F¸­»Ä­F­L¦º¤`°ª¼éµo¥Í¦b¹å¤Æ¥½´Á(Toylor,1947¡FSunde et al., 1950a & 1950b¡FKratzer et al., 1956)¡C¥t¥~¯Ê¥F¸­»ÄÀn­F­L¤§¥¼¥X´ß²v¥ç¸û¨ä¥L¦U²Õ°ª¡A¦¹»PÂû¤§³ø§i(Sunde et al., 1950a)¬Û¦P¡C¸ÕÅç´Á¶¡Àn­F­L¤§²§±`²v¦b²Ä¤@¶¥¬q¤¤¦U³B²z²Õ¶¡®t²§¤£ÅãµÛ(¦pªí2)¡F²Ä¤G¶¥¬qÀn­F­L¤§²§²v(¦pªí3)¡A¯Ê¥FúYÎG¾J²Õ¸û¹ï·Ó¤Î¥¿±`²Õµy°ª0.8~1¢H¦ý¤£ÅãµÛ¡A¯Ê¥F¸­»Ä²Õ«h·¥ÅãµÛ¸û¨ä¥L¦U²Õ°ª(P¡Õ0.01)¡AÅã¥ÜºØÀn¯Ê¥F¸­»Ä¡A¨äÀn­F­L¤£¶È¦º¤`²v¸û°ª¥B²§±`²v¥ç¼W¥[¡C

        ¸ÕÅç¨ä¤¤¯Ê¥FúYÎG¾J©Î¸­»ÄµæÀn­F­L²§±`¤§ÀW«×¦C©óªí4¡C¯Ê¥FúYÎG¾J¦b²Ä¤G¶¥¬q¤§²§±`µy°ª¡A¦ý¥X²{²§±`¤§¯gª¬¤¤¨ÃµLÀW«×«Ü°ªªÌ¡A¨ä¤¤¦±³k¬°¯Ê¥F®Ö¶À¯À®É¡AÀn­L¯gª¬¤§¤@¡A¬O§_¦]®Ö¶À¯À¬°úYÎG¾JÁC»Ä¤Æ©Ò¥²¶·¡A¥H­P¤GªÌ­F­L¯Ê¥F¯g©ú¬Û¦ü³B«h¤´«Ý¶i¤@¨B¬ã¨sÄÄ©ú¡C¦Ü©ó¯Ê¥FúYÎG¾J¥X²{¤§¤W³ñµu©Î¯Ê¡A«Y¥Íª«¯À¯Ê¥F¤§¨å«¬¯gª¬¤§¤@(­Jµ¥¡A1994)¡AµM¦]¦b¥¿±`Àç¾i±¡ªp¤U°¸¥ç·|¥X²{¡A¬O¬G­Y±ý½T©w¤W³ñµu©Î¯Ê»P¯Ê¥FúYÎG¾J¤§Ãö«Y¡A«hµS«Ý¶i¤@¨B¤§¬ã¨s¡C¯Ê¥F¸­»ÄÀn­F­L¥X²{¤§²§±`¡A¨Ìµo¥ÍÀW«×°ª§C¡A¨Ì§Ç¬°¦±³k¡B¤W³ñµu©Î¯Ê¡BÀY³¡¥Ö¤U¥X¦å¡B·Æ¸x¯g¡B³ñ¯U¯¶¤Î¥Ö¤U¥X¦å¡C¨ä¤¤¦±³k¥ç¬°¯Ê¥F®Ö¶À¯À¤§¯gª¬¡A¦¹¥i¯à«Y¥Ñ©ó¸­»Ä»P®Ö¶À¯À¦b¥Í²z¥NÁ¤W¦³¥æ¤¬¤§§@¥Î¡ABovina et al., (1969)ÁöÃÒ©ú¤F®Ö¶À¯À¹ï¸­»Ä¥Í¤Æ¤ÏÀ³¤§¼vÅT¡AµM¦¹¤@¯Ê¥F¯g¾÷¨îµS«Ý¶i¤@¨B¤§¬ã¨sÃÒ©ú¡C¦Ü©ó¤W³ñµu©Î¯Ê¬°Àn­F­L¯Ê¥F¥Íª«¯À¤§¥D­n¯gª¬¤§¤@(­Jµ¥¡A1994)¡A¬O§_·N¨ý¸­»Ä»P¥Íª«¯À¦b¥NÁ¤W¥ç¦³¥æ¤¬¤§§@¥Î¡A«h¥ç«Ý¶i¤@¨B¤§¬ã¨sÄÄ©ú¡C¯Ê¥F¸­»ÄÂû­F­L¤§¥D­n¯gª¬¦³×HÛú°©Ås¦±¡B¨Ö³k¡BÆxÄM³ñ¤Î¤W³ñÅܧÎ(Sunde et al., 1950a & 1950b)¡A¥t¥~¥ç¦³³ø§i«ü¥X¯Ê¥F¸­»Ä¦³®ÉÂû­F­L¥X²{·Æ¸x¯g(McDowell, 1989)¡F¦b¤õÂû¯Ê¥F¸­»Ä­F­L¤§²§±`¥D­n¦³²Ó¤pªÏ¡B¥X¦å¡B¬âÅn¸~¤j¡B¤ô¸~¡B³ñ²§±`¤Î»L²§±`µ¥(Kratzer et al., 1956)¡C¤W­z¯gª¬¤¤¡AªÏ¤Î³ñ²§±`¦bÀn¡BÂû¤Î¤õÂû­F­L¯Ê¥F¸­»Ä®É§¡¦³¥X²{¡C¥X¦å«h¶È¦bÀn¤Î¤õÂû­F­L¥X²{¡A¥BÀn¥X¦å¤§³¡¦ì¦b¸ÕÅ礤¥D­nµo¥Í¦bÀY³¡¡C¥Ñ¦¹µ¥µ²ªGÅã¥Ü¡A¸­»Ä¯Ê¥F©ö¾É­P®a¸V­F­LªÏ»P³ñ¤§²§±`¡A¥H¤Î¥Ö¤U¥X¦å¤§¯gª¬¡C

        ºî¤W©Ò­z¡AºØ¥ÎµæÀn¹}®Æ¤¤µ¹¤©úYÎG¾J»P¸­»Ä³Ì§C»Ý­n¶q2.2mg¡þkg»P0.5mg¡þkg(¨H¡A1988)¤§30¢H¡A¨üºë²v¥¼¦³¤@­P¤§¼vÅT¡F²£³J²v¦b¯Ê¥FúYÎG¾J²Õ§ï¹}©óÀn§É¤W¶}©l¤U­°¡F¹å¤Æ²v¦b¯Ê¥F²Õ§¡¸û§C¡A¦ý¥H¸­»Ä¯Ê¥FÅãµÛ¤U­°¡F¯Ê¥Fºû¥Í¯À¤§Àn­F­L¯gª¬¡A¦b¯Ê¥FúYÎG¾J²Õ¥H¦±³k¤Î¤W³ñµu©Î¯Ê¥X²{µy¦h¡F¯Ê¥F¸­»Ä²Õ¥X²{¤§²§±`¡A¨Ì§Ç¬°¦±³k¡B¤W³ñµu©Î¯Ê¡BÀY³¡¥Ö¤U¥X¦å¡B·Æ¸x¯g¡B³ñ¯U¯¶¤Î¥Ö¤U¥X¦å¡C­F­L¯Ê¥F¯g¦b¤£¦Pºû¥Í¯À©Î«~ºØ¶¡¦³¬Û¦P¯gª¬µo¥Í¡A¦¹¥i¯à«Y¥Ñ©ó¤£¦Pºû¥Í¯À¶¡¥æ¤¬§@¥Î¡A©Î¦P«~ºØ¶¡¬Û¦P¤§¥NÁ¤ÏÀ³©Ò­P¡A¹ê­È±o¶i¤@¨B¬ã¨s¥HÄÄ©ú¤§¡C(¯b²£¬ã¨s28(2)1995)

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Table 4. Frequency distribution of abnormal symptoms of Tsaiya embryos

and fetuses after feeding the pyridoxine or folic acid-deficient diet (bird)

Symptom Pyridoxine deficiency Folic acid deficiency Control Normal
Curl toe 2 8 1 0
Shorter or absent upper beak 2 8 3 1
Haemorrhage on head 0 6 0 0
Perosis 0 4 0 0
Subcutaneous haemorrhage 1 2 1 1
Retarded growth 1 1 0 0
Narrowed beak 0 3 0 0
Poor feathering 1 0 0 0
Exposed brain 1 0 2 2
Loquat-shape beak 0 0 0 1
Shorter lower beak 0 0 0 1
Lamp 0 1 0 0

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