©ú¦~¹ª«»ù®æ ±M®a®Æ¤É2.4%
¡i©ú³ø±M°T¡j¦³¥_¬ü¹«~»ù®æ±M®a¦ôp¡M¥[°ê¤µ¦~¥þ¦~ªº¹ª«»ù®æ¤É´T±N¬O2.8%¡M¸û¾ãÅé³qµÈ¬°°ª¡M¨ä¤¤¤ºÃþ¤É12.4%¡M³½Ãþ¤]¤É5.9%¡C²{¹w®Æ©ú¦~¹ª««ùÄò¥[»ù¡M±N¦A¥[2.4%¡M¨ä¤¤³½?¦×¤ÎµæÃþ³£±N·|¦A¥[3¦Ü5%¡C
¦w¬Ù¶Q´ò¤j¾Ç(University of Guelph)¹«~¾Ç°|¬Q¤Ñµoªíªº©P¦~³ø§i¹w´ú¡M©ú¦~¥[°ê¹ª«»ù±N³sÄò²Ä2¦~‘C¤É¦Ü°ª©ó³qµÈ²v¡C´^³Õ(Bloomberg) ¹w´ú¥[°ê¤µ¦~ªº®ø¶OªÌ»ù®æ«ü¼Æ«h¥u¬O1.8%¡C
¶W¥«¸g²z¡R¤µ¦~¼W´T¹O2.8%
¤j²ÎµØ¶W¯Å¥«³õ¦æ¾P±À¼s³¡¸g²z¦ó¦°µØ¦V¥»³øºÙ¡M¥L¦ôp¤j¦h°Ï¶W¥«¹ª«¹s°â»ù¤µ¦~¾ãÅé¼W´T§ó¤£¤î2.8%¡C¥Ñ©ó¥[¤¸§I¬ü¤¸²v¤U¶^¡Q¤µ¦~¾¤u³Ì§C¤u¸ê¥Ñ®ÉÁ~10.25¥[¦Ü11¤¸¡Q¬ü°ê¤Ñ®ð¤£¨Î¥O½ªG»ù‘C¤Éµ¥¡M³£¬O¥O¶W¥«¦¨¥»¼W¥[¦Ó³Q¹G¥[»ùªºì¦]¡C
¤Wz¾Ç°|¥h¦~©³´¿¹w´ú¥[°ê¤µ¦~ªº¹ª«»ù¤É0.3¦Ü2.6%¡Mµ²ªGn½Õ¤É¦Ü2.8%¡M¸û¥ý«eªº¹w´ú§ó°ª¡C
¶Q´ò¤j¾Ç±Ð±ÂÝ¥_¬ü¹«~»ù®æ±M®a¨F°Ç¥¬¥Ë(Sylvain Charlebois)ºÙ¡M½Þ¦×»ù¤µ¦~¤Wº¦¡M¨ä¤¤ÄЦשM¤õ»L§ó¥[»ù¹F25%¡M³¡¥÷ì¦]¬OÃzµo½Þ¬y¦æ©Ê¸¡Âm¯f¬r(porcine epidemic diarrhea(PED))¡M¥O¨ì¥[°ê¦³¤£¤Ö½Þ°¦¦º¤`¡C¦ýPED°ÝÃD¹ï½Þ¦×¨ÑÀ³ªº¼vÅT¥u¬Oµu´Á©Ê¡M©ú¦~¥[»ù´T«×·|©ñ½w¡C
¥H¤U¬O¤Wz³ø§i©ú¦~¹ª«¥[»ù´T«×ªº¹w´ú¡R¦×Ãþ¥[3-5%¡Q³½Ãþ¥[3-5%¡QµæÃþ¥[3-5%¡Q¨Å»s«~¤ÎÂû³J´î1%¦Ü¥[1%¡Q½\ª«¥[0-2%¡Q¥ÍªG¤Î°íªG¥[1-3%¡C
¼vÅT¨ì½µæªñ´Á¥[»ùªº¥D¦]¬O¬ü°ê¤Ñ®ð¤£¨Î¡M¥Ñ©ó¥[°ê¥X°âªº½µæ¡M¥Dn±q¬ü°ê¤J¤f¡M¬GÕY¬ü°ê³s³õ¤j³·¡M«K·|¼vÅT½µæ¨Ó³f¥[»ù¡C
¥t¥~¡Mªñ´Á¥[¹ô§I¬ü¤¸²v¤U¶^¡M¤]¥O½µæ»ù¤W¤É¡C
¸Ó³ø§i«ü°ê¥Á¹wºâ©ó¥V©u¨£¨ì½µæ»ù¤W¤É¡M¬Æ¦Ü©µÄò¦Ü©ú¦~¤¤¡C
¥_¬ü¹«~»ù®æ±M®a¨F°Ç¥¬¥Ë»¡¡Mªñ´Á¯à·½»ù®æ¤U°¡M¯à¸ÉÀv¾ãÅé³qµÈÀ£¤O¤Î¥[¤¸§I²v¤U¶^¡M¬G¤Ñ®ð·|¬O¶µ«n¦]¯À¡C¥Ñ©ó¹w®Æ¬ü°ê¥[¦{ªº¤Ñ®ð°®§ò«ùÄò¡M·|¥O¤J¤f¥[°êªº½ªGº¦»ù¡C¥[°ê¤×¨ä¬O¦w¬Ù¤Î¨õ¸Ö¬Ù¡M¨C¦~±q¬ü°ê¶i¤f¹F50»õ¤¸ªº½ªG¡C
¸Ó³ø§i¹w´ú¥[°ê¦×»ù©ú¦~¤£¦A¥X²{¤µ¦~¹O10%ªº¼W´T¡M³¡¥÷ì¦]¬O¬ü°ê½\ª«Âצ¬¡M¥O¨ì®a¯b¹}®Æ»ù¤U°¡C¸Ó³ø§iºÙ¡M¦Û2004¦~¦Ü¤µ¡M¥[°ê¹ª«»ù¤wÁ`¦@¤W¤É¤F35%¡C