The effects of rosemary on growth performance, carcass characteristics and blood parameters of broilers under heat stress

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Soflaei shahr e babak m.; SHIVAZAD M.; MORAVEJ H.; KARIMI TORSHIZI M.A.

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Journal: Journal of Veterinary Research Year:2018 | Volume:72 | Issue:4 Page(s): 425-434

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Title

The effects of rosemary on growth performance, carcass characteristics and blood parameters of broilers under heat stress

Author(s)

Soflaei shahr e babak m. | SHIVAZAD M. | MORAVEJ H. | KARIMI TORSHIZI M.A. | Issue Writer Certificate

Keywords

RosemaryQ1

performanceQ2

blood parametersQ1

heat stressQ2

broilersQ2

Abstract

BACKGROUND: The application of medicinal herbs with high anti-oxidant properties could reduce the detrimental effects of oxidative stress and free radicals under heat stress and improve the performance of broilers. OBJECTIVES: The effects of Rosemary powder and extract on growth performance, carcass characteristics and blood parameters of broilers were evaluated under heat stress. METHODS: To study the effect of experimental treatments including control, different levels of Rosemary powder (5, 10 and 15 g/kg), Rosemary extract (3. 5, 7 and 10. 5 g/kg) and Vit-Asp (1 g/L) on growth performance (feed intake, body weight and feed conversion ratio), carcass characteristics and blood parameters (cholesterol, triglyceride, hematocrit, glucose and heterophil to lymphocyte ratio), 160 one-day old chicks (Ross male-308) were used, applying a randomized complete block design with 8 treatments, 4 replicates and 5 chicks per replicate during a 42-day period. heat stress schedule was 32± 2 º C as cyclic from 10. 00 AM to 6. 00 PM. RESULTS: Rosemary had significant effects on feed intake and final live weight of chicks (p<0. 05) but not on feed conversion ratio (p>0. 05). Significant effects from Rosemary on glucose and heterophil to lymphocyte ratio were found (p<0. 05). The effects of Rosemary on carcass characteristics, cholesterol, triglyceride and hematocrit were not significant (p>0. 05). CONCLUSIONS: In general, inclusion of Rosemary in broilers diet under heat stress improved the performance because of anti-oxidant effects.

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APA: Copy

Soflaei shahr e babak, m., SHIVAZAD, M., MORAVEJ, H., & KARIMI TORSHIZI, M.A.. (2018). The effects of rosemary on growth performance, carcass characteristics and blood parameters of broilers under heat stress. JOURNAL OF VETERINARY RESEARCH, 72(4 ), 425-434. SID. https://sid.ir/paper/34633/en

Vancouver: Copy

Soflaei shahr e babak m., SHIVAZAD M., MORAVEJ H., KARIMI TORSHIZI M.A.. The effects of rosemary on growth performance, carcass characteristics and blood parameters of broilers under heat stress. JOURNAL OF VETERINARY RESEARCH[Internet]. 2018;72(4 ):425-434. Available from: https://sid.ir/paper/34633/en

IEEE: Copy

m. Soflaei shahr e babak, M. SHIVAZAD, H. MORAVEJ, and M.A. KARIMI TORSHIZI, “The effects of rosemary on growth performance, carcass characteristics and blood parameters of broilers under heat stress,” JOURNAL OF VETERINARY RESEARCH, vol. 72, no. 4 , pp. 425–434, 2018, [Online]. Available: https://sid.ir/paper/34633/en

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