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26 3 V o l. 26 N o. 3 2005 5 A cta Eco logiae A n im alis Dom astici M ay 2005,,,,, (, 524088) [ ] 1 200, 3,, 28 31, 83 87%, 1 2 0. 1% 0. 3% : 1 38 47 (P < 0. 05), 48 57 1 (P < 0. 05),,, 1 (P > 0. 05) 2 48 57 (P < 0. 01), (P > 0. 05) 2 1 (P > 0. 05),,, 1,, [ ] ; ; ; ; [ ] S811. 5 [ ] A [ ] 100425228 (2005) 0320040207 (Betaine),,,,,,, 19 26, 28,,,,,,,, 1 1. 1 1. 1. 1 1 200,, (P > 0. 05), ( ), 1 ( 0. 1% ) 2 ( 0. 3% ) 1. 1. 2 1 28 721, 29 46 722, 47 81 723 1 1. 1. 3 2002 7 21 8 5, 8 6 10 9, 29 34, 85%, 24 h, 5 W gm 2 [ ] 2004207225, : 2005204228 [ ],, [ ] (1966- ),,,,,

3 : 41 1. 2 1. 2. 1 4- A 8: 00 14: 00 20: 00,,, : ( ) = (8: 00 2+ 14: 00 + 20: 00 ) g4, (% ) = (8: 00 2 + 14: 00 + 20: 00 ) g4 1. 2. 2 8 6, 10 d 1, 4,, ( + ), 1. 2. 3,, (L SR ) 1. 2. 4 2 2. 1 2 2. 1. 1, 1, 2, (P > 0. 05),,,,, 1 2,,,,,,, 2 18 27 ( 110. 1% 105. 7% ), 28 37 1 18 37, 48 57 ( 2), 1 2 0. 4721 g 0. 2848 g 1 T able 1 T he nutrient level of basic ration of ch icken N nutrient level 721 721 Feed fo r ch icken 722 722 Feed fo r ch icken 723 722 Feed fo r ch icken M E (M J KG - 1 ) 20. 5 18. 0 17. 0 M o isture (% ) 12. 9 12. 9 12. 9 C rude P ro tein (% ) 2. 0 6. 0 6. 0 C rude m ineral(% ) 9. 0 9. 0 9. 0 N ac l(% ) 0. 3 0. 3 0. 3 Ca 2+ (% ) 1. 2 P (% ) 0. 6 0. 5 L ysine (% ) 0. 9 0. 7 2. 1. 2 17 47,, 1 2 (P > 0. 05) 48 57, 1 (P < 0. 05), 2. 1294 g, 2 (P > 0. 05) 1 48 57, 2 1 (P > 0. 05), 1 2 2. 1294 g 0. 4547 g,,,,,,,,, 1 2,, ;, ;,,, 2. 1. 3, 1 2 (P > 0. 05) 18 27 48 57, 28 37 ( 2), 1 2, 0. 4721 g 0. 2848 g

42 26 2 T able 2 T he influence of betaine on grow th of tissue and o rgan of circulate system and resp ire system fo r bro ilers under the heat stress K idney H eart L ung 17 17 days 1. 8791 0. 07 1. 066 0. 04 1. 6511 0. 05 3. 9488 0. 93 a 2. 5143 0. 74 a 2. 6233 1. 03 a 3. 0328 0. 64 a 2. 6102 0. 28 a 2. 3070 0. 68 a 3. 8650 0. 96 a 2. 4210 0. 63 a 2. 0064 0. 98 a 4. 2965 0. 36 a 2. 6117 0. 42 a 2. 8368 0. 51 a 5. 5604 1. 23 a 3. 2002 9 a 3. 3420 1. 08 a 4. 4746 1. 45 a 2. 5211 0. 91 a 2. 7328 9 a 6. 9759 1. 79 a 2. 9678 2. 25 a 3. 5032 1. 26 a 7. 0136 0. 57 a 3. 2489 0. 75 a 4. 5278 1. 58 a 6. 5559 0. 78 a 3. 1406 0. 63 a 4. 3365 0. 76 a 8. 090 0. 93 a 4. 0798 0. 66 b 5. 6540 1. 63 a 8. 5621 0. 58 a 6. 2092 6 a 5. 9654 2. 16 a 8. 3748 2. 71 a 4. 5345 1. 45 ab 5. 7467 2. 54 a : (P < 0. 01), (P < 0. 05), (P > 0. 05); N o te: V alues w ith different superscrip ts cap ital letter w ith in the sam e co lum n are greatly significantly different (P < 0. 01), V alues w ith the different superscrip ts low ercase w ith in the sam e co lum n are significantly different (P < 0. 05), V alues w ith the sam e supercrip ts cap ital letter o r low ercase are no significantly different (P > 0. 05). T he sam e as fo llow ṡ,,, 27,,, ( ), 1 2,,,, 2. 2 3 2. 2. 1 18 47,, 1 2 (P > 0. 05), 48 57, 1 (P < 0. 05) 5. 2985 g, 1, 2 ( P > 0. 05), 48 57,,,,,,, 1,, 2,,, 2. 2. 2 18 47,, 1 2 (P > 0. 05) 48 57, 1 (P < 0. 05), 9. 8903, 1, 2 1 48 57 48 57,, 1 2,,,, 1, ; 2,,,

3 : 43 2. 2. 3 38 47, 1 28 57, 2 28 47 3 T able 3 T he influence of betaine on grow th of o rgan of digestion system fo r bro ilers under the heat stress Stom ach L over Pancreas 17 17 days 7. 9128 0. 06 6. 6940 0. 29 0. 9955 0. 17 12. 0356 1. 61 a 11. 005 3. 49 a 1. 351 0. 32 a 12. 6653 0. 15 a 14. 1802 3. 42 a 1. 072 0. 34 a 12. 5046 2. 67 a 12. 0352 2. 87 a 1. 0621 0. 48 a 14. 6986 3. 70 a 14. 0577 2 a 1. 5771 0. 16 a 15. 9589 2. 49 a 18. 0469 3. 27 a 1. 569 0. 04 a 15. 6396 2. 33 a 16. 2560 3. 25 a 1. 4625 0. 27 a 21. 1788 4. 72 a 18. 9533 4. 76 a 2. 3477 0. 64 a 26. 1448 3. 33 a 26. 545 1. 37 a 2. 2465 0. 24 a 24. 8294 1. 92 a 24. 702 4. 48 a 2. 3681 0. 48 a 25. 6387 3. 05 a 28. 7039 4. 16 a 2. 4701 0. 55 a 31. 9372 1. 71 b 38. 5942 4. 02 b 3. 4252 1. 34 a 27. 1913 2. 05 ab 32. 1701 4. 99 ab 2. 7068 0. 51 a,,, 1 2,, 1 2 0. 9551 g 0. 2367 g 2. 3 4 4 T able 4 T he influence of betaine on grow th of o rgan of imm une system fo r bro ilers under heat stress Sp leen B rusa fabriicii T hym us gland 17 17 days 0. 3871 0. 01 0. 5089 0. 03 0. 7625 0. 05 0. 9824 0. 71 a 2. 1588 0. 48 a 2. 3456 0. 43 a 1. 1991 0. 38 a 1. 4122 0. 67 a 2. 4514 1. 12 a 1. 1018 0. 39 a 2. 0726 0. 71 a 3. 0791 0. 42 a 1. 8641 0. 65 a 2. 9163 0. 52 a 2. 761 0. 94 a 2. 5683 1. 13 a 2. 2607 0. 53 a 3. 5693 0. 72 a 1. 2416 1. 14 a 2. 1321 7 a 3. 1019 7 a 1. 9818 0. 71 a 3. 0648 1. 29 a 3. 7641 1. 2 a 2. 8183 0. 92 a 2. 5086 0. 67 a 3. 4428 0. 68 a 1. 9896 6 a 2. 7691 0. 75 a 3. 8949 0. 56 a 3. 2390 1. 46 a 3. 1022 1. 81 a 6. 0351 2. 08 b 4. 2064 1. 09 a 3. 9667 1. 96 a 7. 2331 1. 32 a 3. 4006 1. 05 a 3. 8399 2. 11 a 6. 9414 2. 78 ab

44 26 2. 3. 1, 1 2 (P > 0. 05),,,,, 1 2,,,,,,,,, 2. 3. 2 1 2 (P > 0. 05),,,,,, 1. 2,,, 2. 3. 3 57,, 1 (P < 0. 05), 1. 1980 g 17 47, (P > 0. 05), 14, 7,,,,, 1 2 2. 4 5 2. 4. 1 17 47,, 1 2 47, 1 (P < 0. 05), 0. 0949 g,, 1, 1, 2 (P > 0. 05) 1 2,,,, 2. 4. 2 47, 1 (P < 0. 05), 0. 0868 g, (P > 0. 05) 1 2,, 2. 4. 3 57, 1 2 ( P < 0. 01) 1. 3454 g 2. 4232 g 1, 2 ; 1 2 5 T able 5 T he influence of betaine on grow th of o rgan of endocrine system fo r bro ilers under heat stress T hyro id gland A drenal gland T esticle 17 17 days 0. 3632 0. 01 g 0. 0374 0. 04 0. 0557 0. 02 a 0. 0542 0. 08 a 0. 0778 0. 01 a 0. 0561 0. 02 a 0. 0698 0. 05 a 0. 0877 0. 02 a 0. 0473 0. 02 a 0. 0906 0. 04 a 0. 1287 0. 01 a 0. 0527 0. 01 a 0. 0569 0. 04 a 0. 1574 0. 13 a 0. 1226 0. 17 a 0. 0628 0. 06 a 0. 1270 0. 25 a 0. 0512 0. 01 a 0. 0584 0. 07 a 0. 1666 0. 04 a 0. 0377 0. 02 b 0. 1389 0. 05 b 0. 03032 0. 08 a 0. 1356 0. 03 a 0. 0621 0. 07 a 0. 2487 0. 08 a 0. 0588 0. 01 ab 0. 0532 0. 04 ab 0. 2937 0. 07 a 0. 0863 0. 03 a 0. 1450 0. 04 a 0. 4119 0. 07 B 0. 1389 0. 02 a 0. 0898 0. 05 a 1. 7573 9 A 0. 1048 0. 01 a 0. 0985 0. 04 a 2. 8341 0. 91 A

3 : 45 3 3. 1, 1 2 ( + ),,,,,, (,, ), 1 2, : (1),,, : IGF I ( ), IGF I,,,,, [ 7 ],, ( + ),, (2), ( ), Χ - ( GABA ) - (GAD ),, GAD, GABA,, (3) ; C,,,,,,,,,,, Β -,,,,,, 3. 2,,, [ 7 ], 17 47 :,,,,,, 17 47, 1. 2, N 2 2D 2 (NM DA ), NM DA (N 2 2D 2 ) NM DA, NM DA RNA, NM DA, NM DA NM DA,,, GH ( ) FSH L H, A CTH, : [ 1 ],,. [J ]., 2001, 6: 22-23. [ 2 ] [J ].. 2002, 4: 11. [ 3 ],,. [J ]., 2002, 6: 40. [ 4 ]. [J ]., 2000, 12 (4) : 209-212. [ 5 ],. [J ]., 2002, 8: 14-15. [6 ]. [ J ]., 1998, 20 (6) : 35-37. [ 7 ]. [J ]. W o rld Poul2 try June, 2002, 19: 55. [ 8 ],. [J ]., 1998, 2: 11-14.

46 26 [ 9 ],,. [J ]. 2001, 23 (8) : 32-33. [ 10 ],. [J ]., 1996 (1) : 43-46. [ 11 ],,,. [J ]., 1999 (3) : 70-71. [ 12 ],. [J ]., 1998, 10 (2) : 45-51. [ 13 ]. [J ]., 2000, 12 (4) : 209-212. [ 14 ],,,. [J ]., 1997 (2) : 19-21. [ 15 ],. [J ]., 1998, 10 (3) : 59. [ 16 ],,,. [J ]., 1998, (3) : 60-61. [ 17 ],,. [ J ]., 1998, 34 (5) : 31-32. The Inf luence of Beta ine on Growth of T issue and Organ for Bro ilers Under the Hea t Stress AN L i2long, X IAO M ei, HUAN G Zh i2yi, ZH EN G Shu, ZHAN G Yan, X IE Yue2hua (D ep artm ent of A nim al S cience, A g ricu ltu re Colleg e, Z hanj iang O cean U niversity, Z hanj iang, Guangdong China 524088) Abstract: 200 ch icken of first w h ite2recessive m a w ere divided in to 3 group after p reparation experi2 m en ṫ U nder the condition s of the tem peratu re from 28 to 31, hum idity from 83% to 87%, the b irds of con tro l group w ere on ly feed basic ration, bu t ration of the b irds fo r 1 group and 2 group w ere basic ra2 tion supp lem en ting w ith 0. 1% and 0. 3% Betaine respectively. T he ch icken s w ere slaugh tered every 10 day and the stom ach (m u scle stom ach+ g land stom ach), liver, p ancrea s, hea rt, lung, k idney, test icle, thy2 ro id gland, adrenal glands and thym u s gland w ere analyzed. T he resu lt of th is w ere as fo llow, the w eigh t of the thyro id gland of the b irds fo r experim en t 1 du ring 38 47 day w as heavier than con tro l group (P < 0. 05), the w eigh t of adrenal glands fo r th is b ird w as obviou sly ligh ter than con tro l group (P < 0. 05) ; the w eigh t of thym u s gland, stom ach, liver, heart, testicle of th is b irds of experim en t group 1 du ring 48 57 day w as heavier than con tro l group, bu t there w ere no difference of developm en t of the A drenal glands, thyro id gland, testicle, thym u s gland, stom ach, liver, heart betw een experim en t group 1 and con tro l group in o ther days. T here w ere no difference of w eigh t in pancreas, sp leen, lung, k idney betw een group 1 and con tro l group du ring all period of experim en t (P > 0. 05). T he w eigh t of testicle fo r b irds of group 2 w as heavier than these of con tro l group from 48 day to 57 day bu t o ther o rgan of the b irds fo r group 2 w as no t heavier than these of con tro l group. Key words: Betaine; heat stress; b ro iler; o rgan; tissue