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Table 1 Effect of tea saponin on prawn¨@s growth
ÏîÄ¿ Item | ²èÔíËØÅ¨¶ÈConcentration of tea saponin£¨ppm£© | ||
0 | 5 | 10 | |
³É»îÂÊ£¨%£© Survival rate Ì峤ÔöÌíÁ¿£¨mm£© Body length increasement ÈÕÆ½¾ùÔöÌíÁ¿£¨mm£© Average increasement per day ÔöÌí°Ù·ÖÂÊ£¨%£© Increasing percentage |
73.5
46.74
0.636
419.2 |
72.0
49.65
0.688
445.3 |
69.0
57.83
0.834
518.6 |
×¢£ºÃ¿Å¨¶È´¦Öóͷ£·ÅÑø¶ÔϺ100¡Á2⣬ËÇÑø56Ìì¡£
Note£º100¡Á2prawns were fed for 56 days at each concentration treatment
ÔÚÕý³£ÁìÓòÄÚ£¬ËµÃ÷Ó¦ÓòèÔíËØ²»»áÓ°Ïì¶ÔϺµÄ³É»îÂÊ¡£´Ó¶ÔϺµÄÉú³¤ÇéÐÎÀ´¿´£¬¾²èÔíËØ´¦Öóͷ£µÄ¶ÔϺ¶¼±È±ÈÕÕ×é¿ì£¬²¢ÇÒÆäÌ峤ÔöÌíÂÊËæ²èÔíËØµÄŨ¶È¶øµÝÔö¡£¸÷´¦Öóͷ£µÄÖØ¸´ÊÔÑé¼ä£¬³ý5ppmÒ»×é(46.30Óë52.99ºÁÃ×)²î±ð½Ï´óÒÔÍâ,±ÈÕÕ×é(46.44¡¢47.03)ºÍ10ppm(58.05¡¢57.60ºÁÃ×)Á½×éÉú³¤¶¼½ÏÕûÆë¡£×ÝÈ»ÔÆÔÆ£¬5ppm´¦Öóͷ£ÖÐÉú³¤ËÙÂÊÆ«ÂýÒ»×éҲûÓеÍÓÚ±ÈÕÕ×飬¹Ê¶ø¿ÉÒÔÈ·¶¨£¬½ÓÄɲèÔíËØ×÷Ϻ³ØµÄÇ峨¼Á²»µ«²»»áÓ°Ïì¶ÔϺÉú³¤£¬Ïà·´£¬ÉÐÓÐÔö½ø×÷Óá£
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ËäÈ»¶ÔϺµÄÉú³¤ÊܶàÖÖÒò×ÓµÄÓ°Ï죬Èç¶üÁϵÄÖÖÀ༰ͶιÊýÄ¿£¬ÇéÐÎÌõ¼þ£¨Ë®ÖʵÄÑζȡ¢Ëá¼î¶ÈºÍˮΣ©ÒÔ¼°¸¡ÓÎÉúÎïµÄÖÖÀàÓëÊýÄ¿µÈµÈ£¬¶¼»áÓ°Ïì¶ÔϺµÄÉú³¤Á¿£¬´ÓÊÒÄÚºÍÑø³É³ØÁ½¸ö·½ÃæµÄÊÔÑéЧ¹û×ÛºÏÀ´ÆÊÎö£¬Ó¦ÓòèÔíËØ×÷ΪÇ峨¼Á£¬É¨³ýÓãÀàΣº¦¶ø²»»áÓ°Ïì¶ÔϺµÄÉú³¤ÊÇ¿ÉÒԿ϶¨µÄ¡£²»µ«ÔÆÔÆ£¬²èÔíËØÉÐÓÐÔö½ø¶ÔϺÉú³¤µÄ×÷ÓÃÒ²ÊÇÏÔ¶øÒ×¼ûµÄ£¬²¢ÇÒÔÚÒ»¶¨Å¨¶È¹æÄ£ÄÚ£¬ÆäÉú³¤ËÙÂÊËæ×ÅŨ¶ÈµÄÌá¸ß¶øµÝÔö£¨ÔÚ0¡¢5¡¢10ppm3ÖÖŨ¶È½ÏÁ¿ÖÐÒÔ10ppm´¦Öóͷ£ÔöÌíΪ×î¿ì£©£¬ÕâÊDzèÔíËØ²î±ðÓÚÆäËûÇ峨¼ÁµÄÒ»´óÌØµã¡£²»¹ý£¬ÈôʹÓòèÔíËØ×÷ΪÉú³¤Ôö½ø¼Á£¬ÉÐÐè¶ÔÆäʹÓÃŨ¶È¡¢Ê±¼ä¼«ÆäʹÓÃÒªÁìµÈÎÊÌâ£¬ÌØÊâÊÇÓëÍÉÆ¤µÄ¹ØÏµµÈ×÷½øÒ»²½Ñо¿¡£
±í2 ²èÔíËØÇ峨¼ÁÇå³ØÇ°ºó¶ÔϺÉú³¤ËÙÂʲⶨЧ¹û
Table2 Prawn¨@growing rates before and after treating the pond with tea saponin
È¡ÑùÈÕÆÚ£¨ÈÕ/Ô£© Sampling date£¨Day/Month£© | |||||||||||
3/6 | 11/6 | 21/6 | 1/7 | 10/7 | 15/7 | 21/7 | 1/8 | 10/8 | 22/8 | 29/8 | |
ƽ¾ùÌ峤£¨ºÁÃ×£© Average body length£¨mm£© Ì峤ÔöÌíÁ¿£¨ºÁÃ×£© Body length increasement£¨mm£© ƽ¾ùˮΣ¨¡æ£© Average water temperature£¨¡æ£© ƽ¾ùÑζȣ¨%£© Average water salinity£¨%£© |
35
¡ª
22.6
17.25 |
44
9
25.0
15.89 |
55
11
25.0
15.89 |
63.3
8.3
25.0 |
67.0
3.7
30.0
18.17 |
Çå
³Ø |
76.4
9.4
31.4
25.11 |
85.7
9.3
29.9
25.97 |
89.5
3.8
30.4
27.42 |
94.5
5.0
30.1
27.40 |
98.4
3.9
29.2
24.22 |
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