The immune response of broiler chickens fed diets supplemented with Propolis and Digestarom under heat stress condition H.SHAUQI H. H. A. OMRAN

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Hasanain shauqi H.

Abstract

                                                             Summary
   This research was carried out to evaluate the effect of dietary supplementation  of a mixture of  propolis and phytogenic (Digestarom)on immune responses against Newcastle disease and infectious bursal disease , also Heterophil/lymphocyte ratios in vaccinated broiler under thermoneutral (maintained on usual heat program)and heat stress maintained in  )33 ± 2°C). total of three hundred, one-day-old broilers (Rose 308) chicks were distributed equally in two separated room, thermoneutral  groups and heat stress HS groups along the duration of the experiment (42)day, then each group subdivided in to five groups( 30 chicks for each )  as follow: (thermoneutral group and heat stress group )fed a basal diet supplemented with propolis (2g/kg of diet),(thermoneutral group 2and heat stress2)fed Digestarom(150mg/kg).( thermoneutral  group 3 and heat stress group 3) fed a mixture of (propolis2g/kg +Digestarom150mg/kg) and two control groups without additive. Antibody titers against Newcastle disease  and infectious bursal disease   were measured and Heterophil/lymphocyte  ratio was estimated. In heat stress  chickens the results revealed a significant decrease(P<0.05)in immune response with significant increased(P<0.05) in Heterophil/lymphocyte  ratio, while higher significant (P<0.05)in antibody titers with significant decrease (P<0.05) in Heterophil/lymphocyte  ratio was showed in all thermoneutral chickens but more significant in thermoneutral group 3 and heat stress group 3 groups were gave the best values in comparing with others groups. The role of Propolis or phytogenic on broiler health and immunity had already been reported, but in this study was reported the effects of their mixture on ameliorating  deleterious effects of heat stress.

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The immune response of broiler chickens fed diets supplemented with Propolis and Digestarom under heat stress condition: H.SHAUQI H. H. A. OMRAN. (2019). The Iraqi Journal of Veterinary Medicine, 42(2), 33-40. https://doi.org/10.30539/iraqijvm.v42i2.283
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How to Cite

The immune response of broiler chickens fed diets supplemented with Propolis and Digestarom under heat stress condition: H.SHAUQI H. H. A. OMRAN. (2019). The Iraqi Journal of Veterinary Medicine, 42(2), 33-40. https://doi.org/10.30539/iraqijvm.v42i2.283

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