The present study was conducted to investigate whether dietary essential oils

The present study was conducted to investigate whether dietary essential oils could affect growth performance, relative organ weights, cecal microflora, immune responses and blood profiles of broiler chickens fed on diet programs containing different nutrient densities. denseness at 21 days and by diet essential oils at 35 days. Essential oils significantly (p<0.05) increased daily body weight gain and feed conversion ratio during the periods of 22 to 35 and 1 to 35 days, but failed to affect feed intake during the entire experimental period. Daily weight gain at 1 to 21 days and feed intake at 1 to 21 and 1 to 35 days were significantly impaired (p<0.05) by nutrient denseness. There were significant treatment relationships (p<0.05) on relative weights of bursa of Fabricius and abdominal fat contents. Finally, either essential oil or nutrient denseness did not influence the relative percentages of breast and lower leg meats, the population of cecal microflora, blood guidelines and antibody titers against Newcastle disease and infectious bronchitis in broiler chickens. It was concluded that diet essential oils, self-employed to nutrient denseness, failed to activate feed intake, but improved growth overall performance in broiler chickens. in broilers. Livest Sci. 2014;160:82C88.Hernandez F, Madrid J, Garcia V, Orengo J, Megias MD. Influence of two flower components on broilers overall performance, digestibility, and digestive organ size. Poult Sci. 2004;83:169C174. [PubMed]Huyghebaert G, Ducatelle R, Vehicle Immerseel F. An upgrade on alternatives to antimicrobial growth promoters for broilers. Vet J. 2011;187:182C188. [PubMed]Jamroz D, Wiliczkiewicz A, Wertelecki T, Orda J, Skorupinska J. 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Influence of essential oil supplementation and diet programs with different nutrient densities on growth overall performance, nutrient digestibility, blood characteristics, meat quality and fecal noxious gas content in grower-finisher pigs. Livest Sci. 2010;128:115C122.Zeng ZK, Xu X, Zhang Q, Li P, Zhao P, Li Q, Liu J, Piao X. Effects of essential oil supplementation of a low-energy diet on performance, intestinal morphology and microflora, immune properties and antioxidant activities in weaned pigs. Anim Sci J. 2015a;86:279C285. [PubMed]Zeng Z, Zhang S, Wang H, Piao X. Essential oil and aromatic vegetation as feed additives in nonruminant nourishment: A review. J Anim Sci Biotechnol. 2015b;6:7. [PMC free article] [PubMed]Zhao JP, Chen JL, Zhao GP, Zheng MQ,.

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