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¡@¡@¤ÀªR³Ìªñ17¦~¡]¦Û¥Á°ê70¦Ü86¦~¡^°Ñ¥[DHI­pµeªº¹T¹A¤á¼Æ»Pªc¨Å¤ûÀY¼Æ¤ÎÀË©w¤û¸s¤j¤p¦pªí¤@¡A¥Ñªí¤¤¥iª¾DHI­pµe¤§µo®i¹Lµ{¡A¥i¤À¬°¤T­Ó¶¥¬q¡A²Ä¤@­Ó¶¥¬q¬°¥Á°ê70¦~¦Ü74¦~°Ñ¥[ªº¹T¹A¤á¼Æ»Pªc¨Å¤ûÀY¼Æ¤Î¤û¸s¤j¤p§¡³v¦~¼W¥[¡AÅãµMDHI­pµe¨ü¨ì¹T¹Aªº­«µø¡A²Ä¤G­Ó¶¥¬q¬°¥Á°ê75¦~¦Ü80¦~¡A°Ñ¥[DHI­pµeªº¹T¹A¤á¼Æ»Pªc¨Å¤ûÀY¼Æ¬ðµM¤U­°¡A¤D¦]³\¦h¹T¹A§ïÅܸgÀç¤è¦¡¡A§Q¥Î°tºÞ¦¡·c¨Å¾÷À½¨Å¡A«o¨S¦³¦w¸Ë¬y¶q­p¡A¦]¦¹µLªk°Ñ¥[´ú¨Å¡AµM¦Ó¦³¦w¸Ë¬y¶q­pªº¹T¹A¨ä¤û¨Å²£¶q¡]305-2X-ME¡^¦³ÅãµÛ¤W¤É¦p¹Ï¤@¡A¨äªª³õ¸gÀç®Ä²v¦³´£ª@ªº²{¶H¡C²Ä¤T­Ó¶¥¬q¬°¥Á°ê81¦~¦Ü86¦~°Ñ¥[­pµeªº¹T¹A¤á¼Æ»Pªc¨Å¤ûÀY¼ÆÁö¦³°_¥ñ²{¶H¡A¦ý¤û¸s¤j¤p»PÀY¼Æ«oÄ~Äò¼W¥[¡A¦Ü85¦~°Ñ¥[¥»­pµeªº¹T¹A¤á¼Æ»PÀY¼Æ¤À§O¬°193¤á»P9634ÀY¡A°Ñ¥[ÀË©w¤û¸s¤j¤p¥ç¸û©¹¦~¼W¥[¡A¥­§¡¬°49.9ÀY¡A¤j³¡¥÷¤û¸s¤§²£¨Å¶q¤¶©ó6001¦Ü7000¤½¤ç¶¡¦p¹Ï¤G¡A°ª²£ªº¤û°¦¸û¤Ö¡]5.5%¡^¡A¦Ü¤K¤Q¤»¦~°Ñ¥[¥»­pµeªº¤û¸s¤j¤p´î¤Ö¡A¦]¥»¬Ù©ó86¦~8¦Ü10¤ë¶¡µo¥Í¤û¬y¦æ¼ö¡A¾É­P¤û°¦ÀY¼Æ»P¨Å¶q¦³´î¤Ö²{¶H®ÄÀ³¡C¹Ï¤T¬°¥Á°ê80¦Ü86¦~¦U¤ë¥÷°Ñ¥[ÀË©wªº¤û¸s¨C¤é¥­§¡²£¨Å¶qªºÅܤơA¨ä¦~«×»P¤ë¥÷ªº®t²§ÅãµÛ¡]P<0.05¡^¡A¦U¤ë¥÷ªº¨C¤é²£¨Å¶q¥­§¡¬Ò¥H¤¸¤ë¥÷¬°³Ì°ª¡A¤K¤ë¥÷³Ì§C¡C¦³Ãö¤£¦P¤ë¥÷¥Í¨Å¤¤Åé²Ó­M¼ÆªºÅܤƥçÀHµÛ©u¸`ªºÅܤƦ³©Ò¤£¦P¦p¹Ï¥|¡A¦b¼ö©u¤¤¡]¤K¤ë¥÷¡^ªº¥Í¨Å¡A¨äÅé²Ó­M¼Æ¸û°ª¡C¦b²D©u¤¤¡]¤T¤ë¥÷¡^ªº¥Í¨Å¸û§C¡A§õµ¥¡]1986¡^¥ç»{¬°Åé²Ó­M¼Æ¦b¼ö©u¤§®ð·Å»PÀã«×¸û°ªªºÀô¹Ò¤U¦³¼W°ªªºÁͶաABodohµ¥¤H¡]1976¡^¥ç«ü¥XÅé²Ó­M¼Æ©ó®L©u¦³¬Û¦Pªºµ²ªG¡C¥»¬Ù¨Å¤ûªºÁc´Þ®Ä²vÀHµÛ©u¸`ªºÅܤƦÓÅܤƦpªí¤T¡A¾É­P¦b¼ö©u´Á¶¡ªºªc¨ÅÀY¼ÆÆJ´î¡A¦Ó¦b²D©u¦³³vº¥¦^¤É²{¶H¦p¹Ï¥|¡AÅã¥Ü¥»¬Ù¨Å¤ûÁc´Þ®Ä²v§C¤U¼vÅT¤û°¦¨Å¶q¤Î¨Ï¥Î¦~­­ÁYµu¡A¥»¬Ù¨Å¤û³Q²^¨Oªº¶¥¬q¤j³¡¥÷¤¶©ó²Ä¤@­L¦Ü²Ä¤T­L¤§¶¡¦p¹Ï¤­¡A¦b©|¥¼¹F¦¨¼ô¶¥¬q§Y³Q±O®_¡A®í¬°¥i±¤¡A¾É­PµLªk´£ª@¥»¬Ù¨Å¤û¸s²£¨Å¶q¡A¦]¦¹­n¦p¦ó´£°ª¥»¬Ù¤û°¦ªºÁc´Þ©Êª¬¹ê¬°¥»¬Ù¤û¸s§ï¨}ªº­«­n½ÒÃD¡C

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ªí1. »OÆW²üÄõ¨Å¤û¸s¨Å¶q©Ê¯à§ï¨}­pµe¦U¦~«×¸ê®Æ²Î­p

¶µ ¥Ø

¦~«×

70¦~

71¦~

72¦~

73¦~

74¦~

75¦~

76¦~

77¦~

78¦~

79¦~

80¦~

81¦~

82¦~

83¦~

84¦~

85¦~

86¦~

¹T¹A¤á¼Æ¡]¤á¡^

344

396

391

381

414

345

215

175

189

210

160

177

183

169

199

193

192

¨Å¤ûÀY¼Æ¡]ÀY¡^

3250

4239

4878

4902

5546

5448

3660

3740

3920

5124

5115

6539

7908

7662

9132

9634

9066

305-2X-ME-Å馨¼ô¨Å¶q¡]¤½¤ç¡^

5308

5634

5689

5437

5480

5283

5798

5862

5941

6135

6258

6364

6386

6348

6499

6536

6437

305-2X-ME-Å馨¼ô¯×¶q¡]¤½¤ç¡^

168

180

176

177

166

171

197

199

204

207

225

229

250

233

237

240

231

¥­§¡¨C¤é²£¨Å¶q¡]¤½¤ç¡^

15.1

15.3

14.6

14.6

15.0

14.3

15.7

16.0

16.3

17.1

18.3

19.1

19.5

19.4

19.8

20.3

19.8

ÀË©w¤û¸s¤j¤p¡]ÀY/¤á¡^

9.4

10.7

12.5

12.9

13.4

15.8

17.2

18.4

20.4

23.2

31.9

36.9

43.2

45.2

45.8

49.9

47.2

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Table 2. The average milk quality and performance in DHI program from 1991 to 1997

year

Sample size

Ave. milkProduction(kg)

SCC(104/cc)

Milk fat(%)

Milk protein(%)

Total solids

1991

5115

18.30±0.09

60.5±1.8

3.86±0.01

3.61±0.01

12.87±0.01

1992

6539

19.17±0.09

63.7±1.7

3.74±0.01

3.21±0.01

12.05±0.01

1993

7908

19.50±0.09

60.0±1.7

3.69±0.01

3.26±0.01

12.33±0.01

1994

7578

19.38±0.09

60.0±1.6

3.68±0.01

3.16±0.01

12.20±0.01

1995

7557

19.76±0.07

59.0±1.6

3.70±0.01

2.99±0.01

12.01±0.01

1996

8041

20.23±0.07

60.1±1.7

3.67±0.01

3.17±0.00

12.20±0.01

1997

9066

19.82±0.07

60.3±1.6

3.69±0.01

3.18±0.00

12.10±0.02

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Table 3. The reproductive traits in DHI program from 1995 to 1997

Calving season

Days to first Service(days)

Days open (days)

Service perconception (No)

1995

1996

1997

1995

1996

1997

1995

1996

1997

Spring

150.2±3.8c

141.0±3.9a

127.4±3.2a

222.1±3.5d

213.4±3.1a

218.0±3.4a

2.51±0.05c

2.50±0.04a

2.53±0.05a

Summer

137.0±2.2b

124.2±2.2b

121.1±2.3b

179.7±2.6c

179.9±2.3b

168.6±2.8c

2.20±0.03b

2.31±0.03b

2.25±0.04b

Fall

106.9±1.5a

101.8±1.6c

98.2±1.5c

146.6±1.8a

154.8±1.8d

142.4±2.1d

2.02±0.03a

2.10±0.02c

2.03±0.03c

Winter

102.0±2.0a

99.8±2.0c

101.8±2.1c

164.7±2.7b

165.2±2.3c

183.9±2.3b

2.11±0.03ab

2.15±0.03c

2.23±0.05b

Means in the same column without the same superscripts are highly significantly different (P<0.01).

p66.jpg (21675 ­Ó¦ì¤¸²Õ)

Fig1. Average of 305-2X-ME milk yield in DHI program from 1981 to 1997.

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p66a.jpg (41887 ­Ó¦ì¤¸²Õ)

Fig 2. Distribution of 305-2X-ME milk of cows enrolled in DHI 1994 to 1997.

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Fig 3. Average of daily milk yield and SCC in Taiwan DHI by month form 1991 to 1997.

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Fig 4. Number of milking cows in Taiwan DHI by month, from 1991 to 1997.

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Fig 5. Number of Taiwan Holstein cows culls by lactation from 1994 to 1997.

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§º¥Ã¸q¡C1985¡C¥[³t¨Å¤û«~ºØ§ï¨}¡A´£°ª¨Å·~¸gÀç®Ä²v¡C¥xÆW¹A·~2 (6)¡J98¡ã104¡C

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Bodoh, G. W., W. J. Battista, L. H. Schultz and R. P. Johnston, Jr. 1976. Variation in somaticcell counts in dairy herd improvement milk samples. J. Dairy Sci. 59(6)¡J1119~1123.



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