26 3 V o l. 26 N o A cta Eco logiae A n im alis Dom astici M ay ,

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1 26 3 V o l. 26 N o A cta Eco logiae A n im alis Dom astici M ay 2005,,,,, (, ) [ ] 1 200, 3,, 28 31, 83 87%, % 0. 3% : (P < 0. 05), (P < 0. 05),,, 1 (P > 0. 05) (P < 0. 01), (P > 0. 05) 2 1 (P > 0. 05),,, 1,, [ ] ; ; ; ; [ ] S [ ] A [ ] (2005) (Betaine),,,,,,, 19 26, 28,,,,,,,, ,, (P > 0. 05), ( ), 1 ( 0. 1% ) 2 ( 0. 3% ) , , , , 29 34, 85%, 24 h, 5 W gm 2 [ ] , : [ ],, [ ] (1966- ),,,,,

2 3 : A 8: 00 14: 00 20: 00,,, : ( ) = (8: : : 00 ) g4, (% ) = (8: : : 00 ) g , 10 d 1, 4,, ( + ), ,, (L SR ) , 1, 2, (P > 0. 05),,,,, 1 2,,,,,,, ( % % ), , ( 2), g g 1 T able 1 T he nutrient level of basic ration of ch icken N nutrient level Feed fo r ch icken Feed fo r ch icken Feed fo r ch icken M E (M J KG - 1 ) M o isture (% ) C rude P ro tein (% ) C rude m ineral(% ) N ac l(% ) Ca 2+ (% ) 1. 2 P (% ) L ysine (% ) ,, 1 2 (P > 0. 05) 48 57, 1 (P < 0. 05), g, 2 (P > 0. 05) , 2 1 (P > 0. 05), g g,,,,,,,,, 1 2,, ;, ;,,, , 1 2 (P > 0. 05) , ( 2), 1 2, g g

3 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 days a a a a a a a a a a a a a a a a a a a a a a a a a a a a b a a a a a ab 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,,,, ,, 1 2 (P > 0. 05), 48 57, 1 (P < 0. 05) g, 1, 2 ( P > 0. 05), 48 57,,,,,,, 1,, 2,,, ,, 1 2 (P > 0. 05) 48 57, 1 (P < 0. 05), , 1, ,, 1 2,,,, 1, ; 2,,,

4 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 days a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a b b a ab ab a,,, 1 2,, g g 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 days a a a a a a a a a a a a a a a a a a a a a a a a a a a a a b a a a a a ab

5 , 1 2 (P > 0. 05),,,,, 1 2,,,,,,,,, (P > 0. 05),,,,,, 1. 2,,, ,, 1 (P < 0. 05), g 17 47, (P > 0. 05), 14, 7,,,,, ,, , 1 (P < 0. 05), g,, 1, 1, 2 (P > 0. 05) 1 2,,,, , 1 (P < 0. 05), g, (P > 0. 05) 1 2,, , 1 2 ( P < 0. 01) g g 1, 2 ; 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 days g a a a a a a a a a a a a a a a a a a b b a a a a ab ab a a a B a a A a a A

6 3 : , 1 2 ( + ),,,,,, (,, ), 1 2, : (1),,, : IGF I ( ), IGF I,,,,, [ 7 ],, ( + ),, (2), ( ), Χ - ( GABA ) - (GAD ),, GAD, GABA,, (3) ; C,,,,,,,,,,, Β -,,,,,, 3. 2,,, [ 7 ], :,,,,,, 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: [ 2 ] [J ] , 4: 11. [ 3 ],,. [J ]., 2002, 6: 40. [ 4 ]. [J ]., 2000, 12 (4) : [ 5 ],. [J ]., 2002, 8: [6 ]. [ J ]., 1998, 20 (6) : [ 7 ]. [J ]. W o rld Poul2 try June, 2002, 19: 55. [ 8 ],. [J ]., 1998, 2:

7 46 26 [ 9 ],,. [J ]. 2001, 23 (8) : [ 10 ],. [J ]., 1996 (1) : [ 11 ],,,. [J ]., 1999 (3) : [ 12 ],. [J ]., 1998, 10 (2) : [ 13 ]. [J ]., 2000, 12 (4) : [ 14 ],,,. [J ]., 1997 (2) : [ 15 ],. [J ]., 1998, 10 (3) : 59. [ 16 ],,,. [J ]., 1998, (3) : [ 17 ],,. [ J ]., 1998, 34 (5) : 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 ) 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 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 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