Fatemeh Basiriyan; Omidali Esmaeilipour; Mozhgan Mazhari; Nemat Ziaei
Volume 23, Issue 4 , January 2022, , Pages 573-581
Abstract
This experiment was performed to investigate the effects of Ziziphus jujube and Elaeagnus angustifolia powder on growth performance, blood metabolites and meat quality of broiler chickens at high temperature conditions. In this experiment, 160 one-day-old male broiler chickens of Ross 308 were used in ...
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This experiment was performed to investigate the effects of Ziziphus jujube and Elaeagnus angustifolia powder on growth performance, blood metabolites and meat quality of broiler chickens at high temperature conditions. In this experiment, 160 one-day-old male broiler chickens of Ross 308 were used in a completely randomized design with 4 treatments and 4 replicates of 10 birds per each. Experimental treatments were including: 1- control (basal diet), 2- basal diet + 0.75% Ziziphus jujube, 3- basal diet + 0.75% Elaeagnus angustifolia powder, and 4- basal diet + combination of Ziziphus jujube and Elaeagnus angustifolia powder (0.75% of each). At day 25 of age, with the onset of heat stress, the chicks were exposed to 34±2 ° C for eight hours daily from 9 a.m. to 5 p.m. The results showed that the effect of treatments on growth performance traits was not significant (P≥0.05). Also, the relative weight of carcasses and internal organs except liver were not affected by experimental treatments. The lowest relative liver weight was observed in the control group (P≤0.05). The addition of Ziziphus jujube and Elaeagnus angustifolia in the diet significantly increased glutathione peroxidase and decreased blood glucose compared to the control group (P≤0.05). The highest amount of water holding capacity and lowest dripping loss and cooking loss were observed in birds fed Ziziphus jujube mill and Elaeagnus angustifolia (P≤0.05). Based on the results of the current experiment, although the inclusion of 0.75% of Ziziphus jujube and Elaeagnus angustifolia had no effect on growth performance of broiler chicken, but improved blood metabolites and meat quality traits.
Afsaneh Azdi; Nemat Ziaei; Sayyed Mehdi GHoreishi
Volume 19, Issue 4 , March 2018, , Pages 941-952
Abstract
This study was conducted to investigate the effects of different levels of borage (Echium amoenum) powder on performance,nutrient digestibility and some blood parameters in heat stressed broiler chickens. A total of 160, one-day-old male broiler chicken (Ross 308) were randomly allocated to 4 treatments ...
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This study was conducted to investigate the effects of different levels of borage (Echium amoenum) powder on performance,nutrient digestibility and some blood parameters in heat stressed broiler chickens. A total of 160, one-day-old male broiler chicken (Ross 308) were randomly allocated to 4 treatments with 4 replicates, 10 chicks each, in a completely randomized design. The dietary treatments consisted of: T1, basal diet (BD), T2, T3 and T4 were included BD plus 500, 1000 and 2000 mg/kgBW boragepowder, respectively. The birds reared at the same condition till 24-day of age. The birds were kept at 34°C±2 (9.00am to 17.00; for 8 hours) from 25 to 42 days of age. Dietary supplementation of 1000 mg/kg body weight (BW) ofborage powder increased body weight gain and significantly improved FCR compared to that of basal diet (P<0.05). Inclusion of 1000 mg/kg BW borage powder significantly (P<0.05) increased protein digestibility. Addition of 500 or 2000 mg/kgBW borage powder significantly increased lipid digestibility (P<0.05). Supplementation of diet with 1000 mg/kgBW borage powder significantly reduced (P<0.05) heterophile to lymphocyte ratio and increased glutathione peroxidase activity (P<0.05). Inclusion of 1000 mg/kgBW borage powder significantly (P<0.05) reduced relative weight of bursa fabricious and pancreas in broiler chickens. It was concluded that supplementation of diet with 1000 mg/kgBW borage powder improved performance, protein and lipid digestibility and decrease negative impact of heat stress in broiler chickens.