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¡@¡@¹L¥h¨Å¤û¿ò¶Ç¿ï©Þ§¡µÛ«©ó¤û¨Å²£¶q¤§´£ª@¡A±©¦]¿ï©Þ²£¨Å¶q»P¨Å©Ð°·±d©Êª¬«Y¬°«ú§Ü¤§¿ò¶Ç¬ÛÃö
(¦p³y¦¨¨Å©Ðµ²ºc©Êª¬°h¤Æ©Î´£¤É¨Å©Ðª¢¿©¯f¾÷²v) (Carlen and
Roth,2004)¡A¦Ó¶¡±µ¥i¯à³y¦¨¨Å¤û¥Í²£¦~ªºÁYµu (Short and
Lawlor,1992)¡A·í¸gÀç§Q¼í©úÅã´î¤Ö®É¡A¨Å¤û¨Ï¥Î¦~°ÝÃD«Kº¥¬°¹T¹A©ÒÃöª`
(±i¡A1997)¡C²üÄõ¨Å¤ûªºÅ髬©Êª¬»P²£¨Å¶q¡B¨Ï¥Î¦~»PÁc´Þ©Ê¯àµ¥¸gÀ٩ʪ¬¤§¶¡¡A¨ã¦³±K¤Áªº¿ò¶Ç¬ÛÃö¡A³z¹LÅ髬µûŲ»PÁB¥¿°tºØªº¤è¦¡¡A¥i¶¡±µ§ï¶i¨ä¥L¥Í²£©Êª¬¡A¨Ï¤û¸s¿ò¶Ç§ï¨}Àò±o¾ãÅé¸gÀÙ§Q¯q
(Weigel et al., 1998)¡C
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(Type Production Index, TPI)
ªºÀu¨q¤½¤û§Náºë²G¡Aª`·N¨Å¶q¹w´ú¶Ç»¼¯à¤O (Predicted
Transmitting Abilities Milk, PTAM)¡B¨Ï¥Î¦~¹w´ú¶Ç»¼¯à¤O
(Production life, PL)¡B¤k¨à¤ûÃh¥¥²v¹w´ú¶Ç»¼¯à¤O (Daughter
Pregnancy Rate, DPR )»P¤À®YÃø©ö«×¹w´ú¶Ç»¼¯à¤O (Daughter Sire
Calving Ease, DCE)
µ¥©Êª¬¤§¨|ºØ»ù¦ôÈ¡C¥Ñ³Ì·sªº¥Í²£Å髬©Ê¯à¿ï©Þ«ü¼Æ
(Holstein Association, 2008)
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¡@¡@¥¼¨Ó°ê¤º¨Å¤û¨|ºØ¬Fµ¦¤´¦³³\¦h¥Ø¼Ð¦³«Ý§V¤O¡A¥]¬AÄ~Äò¹ê¬I¹T¹A¨|ºØ¸gÀçºÞ²z¬Fµ¦¡A¨Ã§Q¥Î¿ò¶Ç°Ñ¼Æ¦ôÈ»PDHI¸ê®Æ®w«Ø¥ß§¹¾ãªº¨Å¤û¿ò¶Çµû¦ô¨t²Î
(³¯¡A2008)¡A¥H¶i
¤@¨B¦ôºâ°ê¤ºÀu½è¨Å¤û¦U¶µ¸gÀ٩ʪ¬¤§¨|ºØ»ù¨Ã±´°Q°ê¤º²üÄõ¨Å¤û©Ê¯à¿ò¶Ç§ï¶iÁͶաA±N¦¹¿ò¶Ç°T®§»P°ê»Ú¨Å·~¸ê°T±µy¡A´£¨Ñ°ê¤º¹T¹A³Ì·s¤û¸s¨|ºØ¸ê°T¡A¥H´£ª@§Ú°ê
¨Å·~¤§Ävª§¯à¤O¡C
°Ñ¦Ò¤åÄm
1. |
±iµâ²p¡A´¿«C¶³¡A³¯§Ó¼Ý¡A§õ¯À¬Ã¡A¾G·ç°ò¡A³¯ZùÙ¡A1997¡C¥xÆW²üÄõ¨Å¤û¸s©Ê¯à¡@§ï¨}pµe¡C¯b²£¬ã¨s30(1):56-65¡C |
2. |
³¯§Ó¼Ý¡A2006¡C¥xÆW²üÄõ¨Å¤ûªc¨Å©Êª¬¤§¿ò¶Ç°Ñ¼Æ¦ôÈ¡C°ê¥ß¥xÆW¤j¾Ç°Êª«¬ì¾Ç§Þ¡@³N¾Ç¨tºÓ¤h½×¤å¡C |
3. |
Carlen,
E., E. Strandberg, and A. Roth. 2004. Genetic parameters for clinical
¡@mastitis, somatic cell score, and production in the first three
lactations of Swedish Holstein cows. J Dairy Sci . 87:3062-3070. |
4. |
Chang,
C. L., C. J. Tseng, S. J. Lee, J. Y. Chen, C. Y. Huang, S. C. Lee, and
H. L. Chang. 2001. Dairy Herd Improvement(DHI) program in Taiwan. J.
Taiwan Livestock Res. 34(4):285-295. |
5. |
Short,
T. H. and T. J. Lawlor. Genetic Parameters of Conformation Traits,Milk
¡@Yield, and Herd Life in Holsteins. J Dairy Sci 75:1987-1998. |
6. |
Weigel,
K. A. and T. J. Lawlor. 1998. Use of linear type and production data ¡@to
supplement early predicted transmitting abilities for productive life.
J. Dairy Sci. 81:2040-2044. |
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