เอกสารการประชุมวิชาการและเสนอผลงานวิจัย มหาวิทยาลัยทักษิณ ครั้งที่ 19 2552 - page 921

„µ¦ž¦³»¤ª·µ„µ¦Â¨³Áœ°Ÿ¨Šµœª·‹´¥¤®µª·š¥µ¨´¥š´ „¬·– ‡¦´Ê Šš¸É 19 ž¦³‹Îµže 2552
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Ÿ¤œµŠÂ¨³µ®¦nµ¥¢d ¨·žždœr (Kappaphycus alvarezii) Á¨¸Ê ¥Š„»oŠ„»¨µ—Î µ nªœ„»oŠš¸ÉÁ¨¸Ê¥Š—oª¥°µ®µ¦¼˜¦š¸É 4 ¨³ 5 ¤¸
°´˜¦µ„µ¦Á‹¦·Á˜· Ã˜‹ÎµÁ¡µ³ 2.71 ¨³ 2.34 Áž°¦rÁŽÈ œ˜r˜n°ª´ œ ˜µ¤¨Îµ—´ (P > 0.05)
°´ ˜¦µ„µ¦Á‹¦·Á˜·Ã˜˜n°ª´ œ (Daily Weight Gain: DWG)
Á¤ºÉ °¡·‹µ¦–µ™¹Š°´˜¦µ„µ¦Á‹¦·Á˜·Ã˜˜n °ª´œ °Š„»oŠ„oµ¤„¦µ¤ ¡ªnµ „»oŠÄœ»—‡ª‡» ¤ (Á¨¸Ê¥Š—oª¥°µ®µ¦¼ ˜¦
š¸É 1) ¨³„»oŠš¸ÉÁ¨¸Ê¥Š—oª¥°µ®µ¦¼˜¦š¸É 2 ¤¸°´˜¦µ„µ¦Á‹¦· Á˜·Ã˜˜n°ª´ œ 35.04 ¨³ 42.21 ¤·¨¨·„¦´¤˜n°ª´œ˜µ¤¨Îµ—´Ã—¥
°´˜¦µ—´Š„¨nµª¤¸‡nµ¼ Š„ªnµ„»oŠš¸ÉÁ¨¸Ê¥Š—oª¥°µ®µ¦¼˜¦š¸É 4 ¨³ 5 Ž¹É Š¤¸°´˜¦µ„µ¦Á‹¦·Á˜·Ã˜Á¡¸¥Š 23.82 ¨³ 21.68
¤·¨¨·„¦´ ¤˜n°ª´œ˜µ¤¨Îµ—´ (P < 0.05) ˜n„»oŠ»—‡ª‡»¤Â¨³»—š¸ÉÁ¨¸Ê¥Š—oª¥°µ®µ¦¼ ˜¦š¸É 3 Ž¹ÉŠ¤¸ °´˜¦µ„µ¦Á‹¦· Á˜·Ã˜
31.32 ¤·¨¨·„¦´¤˜n°ª´œ¡ªnµÅ¤n¤¸‡ªµ¤Â˜„˜nµŠ„´œšµŠ™·˜· (¦µ¥¨³Á°¸¥——ŠÄœ˜µ¦µŠš¸É 3)
°´ ˜¦µ„µ¦Â¨„ÁœºÊ° (Food Conversion Ratio, FCR)
°´˜¦µ„µ¦Â¨„ÁœºÊ° (FCR) °Š„»oŠ„o µ¤„¦µ¤Äœ„µ¦š—¨°Šœ¸Ê ¤¸‡nµ¼Š ¹Êœ Á¤ºÉ °„»oŠÅ—o¦´°µ®µ¦š¸ÉŸ¤µ®¦nµ¥
Ÿ¤œµŠÄœž¦·¤µ–¤µ„ ¹ÊœÂ˜n„ÈŤn¤¸‡ªµ¤Â˜„˜nµŠ„´œšµŠ™·˜·¦³®ªnµŠ„»oŠš¸ÉÁ¨¸Ê¥Š—oª¥°µ®µ¦»—š¸É 1 2 3 ¨³ 4 (¤¸ ‡nµ
FCR 3.47, 3.48, 4.55 ¨³ 5.33 ˜µ¤¨Î µ—´) nªœ„»o Š„oµ¤„¦µ¤š¸ÉÁ¨¸Ê¥Š—oª¥°µ®µ¦¼˜¦š¸É 5 ¤¸ ‡nµ FCR 6.46 ×¥¡ªnµÅ¤n
˜„˜nµŠ„´„»oŠš¸ÉÁ¨¸Ê¥Š—oª¥°µ®µ¦¼˜¦š¸É 3 ¨³ 4 (P > 0.05) Ž¹ÉŠ°µ‹‹³Áž}œÅžÅ—oªnµÁ¤ºÉ°Ÿ¤µ®¦nµ¥Äœž¦·¤µ–š¸É ¼Š ¹Êœ
šÎ µÄ®o°µ®µ¦¤¸„µ„Ä¥¤µ„¨³šÎµÄ®ož¦³·š›·£µ¡„µ¦¥n°¥¨—¨ŠŽ¹ÉŠ Cheng and Hardy (2002) ¦µ¥Šµœªnµž¨µÁ¦œÃªr
Áš¦oµ˜r¤¸°´˜¦µ„µ¦Â¨„ÁœºÊ°¼Š ¹Ê œ Á¤ºÉ°Å—o ¦´°µ®µ¦š¸ÉÁ¦·¤—oª¥Á¤¨È— jµ¥ži œ¤µ„ ¹ÊœÁœºÉ°Š‹µ„ž¦³·š›·£µ¡„µ¦¥n°¥š¸É
œo °¥¨Š
˜µ¦µŠš¸É 3 Áž°¦r ÁŽÈœ˜r œÊ宜´„š¸ÉÁ¡·É¤ ¹Êœ (PWG), °´˜¦µ„µ¦Á‹¦·Á˜· Ã˜‹ÎµÁ¡µ³ (SGR), °´˜¦µ„µ¦Á‹¦·Á˜· Ã˜˜n°ª´ œ
(DWG), ¨³°´˜¦µ„µ¦Â¨„ÁœºÊ° (FCR) °Š„»o Š„oµ¤„¦µ¤š¸Éŗo¦´°µ®µ¦š—¨°Šš¸Éčo µ®¦nµ¥Ÿ¤œµŠÁž}œ
®¨n Š‡µ¦rÝűÁ—¦˜Â¨³µ¦Á®œ¸ ¥ªÄœ°µ®µ¦Â˜n¨³¼˜¦˜¨°—¦³¥³Áª¨µ 8 ´ ž—µ®r
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œÊÎ µ®œ´„š¸ÉÁ¡·É¤ ¹Êœ
(%)
°´˜¦µ„µ¦Á‹¦·Á˜· Ã˜
‹ÎµÁ¡µ³ (% ˜n°ª´ œ)
°´˜¦µ„µ¦Á‹¦·Á˜· Ã˜
(¤·¨¨·„¦´ ¤˜n°ª´ œ) °´˜¦µ„µ¦Â¨„ÁœºÊ°
¼˜¦š¸É 1 451.03±54.21bc 3.05±0.18bc 35.04±5.20bc 3.47±0.24a
¼˜¦š¸É 2 537.57±84.26 c 3.30±0.24 c 42.21±6.16c 3.48±0.61a
¼˜¦š¸É 3 451.31±63.76bc 3.04±0.20 bc 31.32±2.99ab 4.55±0.47ab
¼˜¦š¸É 4 357.91±18.01ab 2.71±0.08 ab 23.82±2.69a 5.33±0.68ab
¼˜¦š¸É 5 272.14±35.65 a 2.34±0.17 a 21.68±3.65a 6.46±2.42b
®¤µ¥Á®˜» 1) ˜´ ªÁ¨ š¸ÉœÎµÁœ°Áž}œ‡nµÁŒ¨¸É ¥ ± ‡nµÁ¸É¥ŠÁœ¤µ˜¦“µœ (‹µ„„µ¦ª·Á‡¦µ³®r˜´ª°¥nµŠ 3 ŽÊÎ µ)
2) ‡n µÁŒ¨¸É¥Äœ—¤£rš¸É ¤¸˜´ª°´„¬¦Á®¤º°œ„´œ„Î µ„´Â—ŠªnµÅ¤n¤¸‡ªµ¤Â˜„˜n µŠšµŠ™·˜· (P>0.05)
°´ ˜¦µ¦°—
Á¤ºÉ °¡·‹µ¦–µ™¹Š°´˜¦µ„µ¦¦°— °Š„»oŠ„oµ¤„¦µ¤˜¨°—¦³¥³Áª¨µ 8 ´ ž—µ®r°Š„µ¦š—¨°Š¡ªnµ Ťn ¤¸‡ªµ¤
˜„˜nµŠ„´œšµŠ™· ˜· (P > 0.05) °Š°´˜¦µ¦°— °Š„»oŠš´ÊŠÄœ´ž—µ®rš¸É 2, 4, 6 ¨³ 8 ×¥„»oŠ¤¸°´˜¦µ¦°— 96 – 100 %
Ĝ°Š´ ž—µ®r¦„ ®¨´Š‹µ„œ´Êœ‹¹Š¨—¨Š¤µ°¥¼n ¦³®ªnµŠ 66 – 90 % Ĝ´ž—µ®rš¸É 4, ¨³¨—¨Š¤µ°¥¼nĜn ªŠ 60 – 80 %
Ĝ´ž—µ®rš¸É 6 ¨³Á¤ºÉ°·Êœ»—„µ¦š—¨°Š„»oŠ„oµ¤„¦µ¤¤¸°´˜¦µ¦°—°¥¼n ĜnªŠ 56 – 76 % (—ŠÄœ¦¼žš¸É 2)