(Hubbard classic) T6, T5,T4,T3,T2,T1

Transcription

1 يجهت جايعت حكريج نهعهىو انزراعيت ان جهذ) ( انعذد) ( ) ( - عذد خاص بىقائع ان ؤح ر انعه ي انرابع نعهىو انثروة انحيىانيت ISSN-8- انخالصت 0 (Betaine) انكه اث انذانت : اجهاد حراري انببخين فروج انهحى T, T,T,T,T,T (Hubbard classic) نه راسهت : عقيم يىسف عبذ اننبي قسى عهىو انثروة انحيىانيت- كهيت انزراعت- جايعت انكىفت T T T T T T Effect Of Betaine Supplemented With Drinking Water On Water Intake Pattern Of Broiler Chickens Exposed To Heat Stress A.Al-shukri and D. Alhassani Animal Resources Dept., College of Agriculture, the University of Kufa Animal Resources Dept., College of Agriculture, the University of Baghdad KeyWords: Heat stress, Broiler,Betaine Correspondence: A.AL-Shukri Department of Animal Resource, College of Agriculture, University of Kufa Abstract The experiment was conducted at poultry farm, animal resources dept. college of agriculture, the university of Kufa during April,, 00- May, 7, 00, aimed to knowledge pattern of water intake during entire day of,, and weeks of age for broiler chickens have being got betaine with drinking water. Five hundred and forty, day old of unsexed Hubbard Classic broiler chickens were reared on litter for two stages: the first was extended - day old with no treatment, whereas the second stage was extended - day old. Birds were randomly allocated into treatment groups ( replicates each, 0 birds per replicate) as follows; T, T, T, T, T, and T which mean 0, 0, 00, 0, 700, and 800 mg betaine / L drinking water respectively. Results revealed no significant differences between treatment groups in water intake during moderate period (and ) of day for and weeks of age. A significant superiority in water intake was noticed in T, T, T and T in comparison with T (control) on week of age during same two periods ( and ) of the day. Water intake pattern has been in harmony with house temperature profile, that can be seen through coincidence water intake and house temperature peaks in,, and weeks of age. In general, betaine treatment groups surpassed control group in water intake during hot period ( and ) of the day. انبحث يسخم ين اطروحت دكخىراه نهباحث االول 07

2 007 Eissen Enting ; ; St-Pierre //7 00// 0 Hubbard classic Siegel - 00 Gharib ; 99 Ad-Libitum - Yildiz Kocaturk) 0 Dagtekin ; 00 0 Pen 8 Fayeye;00,Sonaiya) x. 00, Betaine 00 Furlan ;00 Tabiri T, 0 T,T,T,T,T Sahin ; 00, E C BEC Betaine 009, Hassan ; 008, Feed Solution Iwasaki % glycine Hygrometer Betaine Eklund 08

3 C/P ratio ( ) كسثح فىل الصى ا الوستخذهح هي هصذر ارج ت سثح الثر وت ي الخام تها %8 و 0 ك لى سعرج/كغن كطاقح هوثلح. ( ) الوركز الثر وت الوستخذم ح ىا ( الىاف ( هىل ذي الو شأ هستىرد هي شركح الوىفق حتىي على %0 تروت ي خام % دهي خاام % ال اا خاام %. كالسا ىم % فىسفىر هتىفر %.8 ال س ي %.70 ه ثا ى ي % ه ثاتى ي + سست ي %. صىد ىم 00 ك لى سعرج/كغن طاقح هوثلح و حتىي على خل ط ف تاه اخ وهعادى ادرج لتأه ي احت اجاخ الط ر. ا ز ن الفا تثز 000 وحذج ا ز ن/كغن هركز 000 هلغن/كغن هركز كلىر ذ الكىل ي. ( ) الترك ة الك و اوي الوحسىب حسة, NRC

4 00.(00) SAS,,,, , T,T,T,T T, T,T,T,T T T T,,,, Lott,May , T ; 99, Luft Kidd

5

6 00,, ; (99) Lott, May ;,,,, T T, T.- 9.8,.90-.0,.- 0.

7 ,, b 0.8±9.8 b 0.7±7.0 b.9±.0 b 0.±9. b 0.±0. a 0.±. T ab 0.8±0. a 0.±7. a 0.±.70 ab 0.9±0. ab.±. a 0.±.97 T a 0.±0.87 a 0.±8. a 0.±.9 b 0.09±9. a 0.7±.7 a 0.0±.9 T a 0.9±.0 a 0.8±7.9 a.±.90 b 0.±9.77 a.0±.88 a 0.±.77 T a 0.±0.70 ab 0.9±7. a.0±. a 0.7±0. a.±. a 0.±.9 T a 0.7±. a 0.±7.8 a 0.9±.8 b 0.7±9. a.±. a 0.09±.8 T * ** ** * * NS ( T,T,T,T,T,T )( )( )( )(

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