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Effects of Day-of-hatch Intramuscular Administration of a Herbal Extract Mixture and Its Re-supplementation in Drinking Water on Growth Performance, Stress Indicators, and Antioxidant Status of Broiler Chickens Reared Under Hot Summer Conditions by Hadiseh Parandoosh; Mahdi Khodaei-Motlagh; Hossein Ali Ghasemi; Amir Hossein Khaltabadi Farahani is a Agricultural and Biological Sciences article available to read on EtoBox.

What is Effects of Day-of-hatch Intramuscular Administration of a Herbal Extract Mixture and Its Re-supplementation in Drinking Water on Growth Performance, Stress Indicators, and Antioxidant Status of Broiler Chickens Reared Under Hot Summer Conditions about?

Broilers under oxidative stress from high ambient temperatures may benefit from the use of additives that have antioxidant properties. This experiment investigated the efficacy of a herbal extract mixture (HEM; aqueous extracts from Ferula gummosa, Thymus vulgaris, and Trachyspermum copticum) in day-old chicks, injected intramuscular (deep pectoral muscle; (0, 30, 60, and 90 μL/0.1 mL of sterilized and distilled water)), and supplemented in drinking water (0 and 0.25 mL/L) during the rearing period. Broilers were reared in battery cages under summer temperature conditions, with average maximum temperature of 35.5°C, average minimum temperature of 25.5°C, and average relative humidity of 50-60%. A total of 400 1-day-old Ross 308 male broiler chicks were randomly assigned to 8 treatment groups (5 replicates/treatment with 10 birds per replicate). From d1 to d10, the indoor air temperature was adjusted to match fluctuating outdoor summer temperatures, and was set at 30-34°C and 50-60% relative humidity; and from d10 onwards, no adjustments were made. Injection of HEM linearly decreased feed:gain (P = 0.005), heterophile-to-lymphocyte (H/L) ratio (P = 0.007), and serum concentrations o

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Author

Hadiseh Parandoosh; Mahdi Khodaei-Motlagh; Hossein Ali Ghasemi; Amir Hossein Khaltabadi Farahani

Publisher

Springer Science and Business Media LLC

Published

2023

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)