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Effect of supplementing glucose to drinking water and fasting during heat stress of male broilers (Fawbro) on feed and water consumption pattern for four periods during 24 hours a day, first period from (600-1200) h , second period from ( 1200-1800) h , third period from (1800-2400) h ,forth period (2400-600)h ,growth rate, dressing and mortality percentage ,and glucose consumption were studied .At 4-8 weeks of age the broiler exposed to cyclic temperature 25-35-25 ◦C and relative humidity 52-60% . Five treatments were carried out as follows : treatment one control (CON) ( without glucose supplementation and fasting ), treatment two (F) fasting only, treatments three (FG3), four(FG3) , five (FG7), glucose supplementation to drinking water at levels 3,5,7 % respectively with fasting . whereas fasting was done for six hours at (1200-1800) h and concomitant with highest environmental temperature 35 ◦C and glucose was given to broiler with drinking water during fasting period only .The results revealed that : feed consumption pattern for all glucose supplementation treatments reduced during the cold period (600-2400) h of the day compared with F,CON treatments at six week of age while at eight weeks of age feed consumption increased significantly for all glucose supplementation treatments at (1800-2400) h compared with CON .Total feed consumption during 24 h reduced of all treatments compared with CON,F (6,8 weeks of age) . Water consumption pattern revealed a significant decrease in glucose supplementation treatments compared with CON in hot period of the day (1200-1800)h at six week . Also growth rate increased in glucose supplementation treatments . Meanwhile the lowest glucose consumption that dissolved in drinking water in FG3 while the highest in FG7 . Also mortality percentage reduced in all glucose supplementation treatments compared with (CON) .The study confirmed that there were an important effects of supplementing glucose to drinking water during fasting on feed and water consumption pattern and other character.

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One hundred and twenty, one day old unsexed Lohman broiler chicks were used to study the effect of supplementing aqueous extract and powder of chamomile flowers to diet and drinking water on some physiological characters of broiler exposed to high environmental temperature 28 – 30 – 28 ◦ C to alleviate heat stress. Five treatments were carried out, treatment T0 without supplementing chamomile to drinking water or diet, treatments T1 and T2 supplementing with 0.3 and 0.6% of aqueous extract to drinking water, treatments with T3 and T4 supplementing 0.6 and 0.9% of chamomile flowers powder to diet. This supplementation of chamomile to drinking water and diet had been given to birds daily for 6 hours from 1200-1800 and during the highest environmental temperature and during the experiment period from 4 – 8 weeks of age. The result revealed that body temperature reduced significantly of treatments T3 and T4 compared with other treatments however heterophil lymphocyte ratio reduced significantly while hemoglobin increased in all treatments compared with T0, also glucose reduced significantly of treatments T1, T2 and T3 compared with T0, packed cell volume, RBC count, total protein, cholesterol, uric acid, dressing percentage and percentage of some internal organs revealed significant results of some treatments and non significant results of some other treatments. The study confirmed that supplementing the aqueous extract and powder of chamomile flowers lead to alleviate heat stress by positive effects on some physiological characters. The results pointed that chamomile flowers powder supplementation gave better results than aqueous extract

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Abstract:An experiment was conducted to assess the antistress efficacy of Withania somniferaroots ethanolic on some blood physiological traits of Japanese quail hens reared under highenvironmental temperature (27-37-27ºC).Three hundred Japanese quail hens of six weeks old were randomly distributed intofive treatments T0 untreated group (control), T1, T2 quails supplemented orally with 50, 100mg/kg/day root ethanolic extract(WSRE) respectively,T3, T4 received 1,2 g/kg diet rootpowder(WSRP) respectively.Results revealed significant increase in Hb and PCV % in quails supplemented with T4at 10 and 15weeks of age, and in T3 and T4 groups at 12 weeks of age in comparison with T0and WSRE groups. At 10 and 15 weeks old, T2 resulted in significant increasing inHeterophil/Lymphocyte ratio in comparison withT0and other treatments. At 15 weeks ofage,T1and T2 significantly increased Heterophil% in comparison with T0 and WSRP groups,while, quails in T4 showed significant reduction in Heterophil% and significant increasing inLymphocyte% compared with T1, also results showed that supplementing quails with T4significantly increased serum iron .Thyroid hormones didn’t affected significantly due totreatments while T3 significantly increased TSH.

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