Comparison between rosemary and commercial antioxidant blend on performance, caecal coliform flora and immunity in broiler chickens fed with diets containing different levels of poultry fat

Khazaei, Roshanak; Esmailzadeh, Ladan; Seidavi, Alireza; Simões, João

doi:10.1080/09712119.2016.1174125

Cited by 5 publications

(3 citation statements)

References 20 publications

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“…The mechanism through which AC reduced the population of coliform bacteria in the ileum of broilers remains unclear, but the capability of the fungus to produce some form of antibiotics and antimicrobial compounds that may impair the biological functions of the bacteria could be one mechanism [ 12 ]. Recent study reported that antioxidants are useful to modulate the cecal microflora and improve the immune competence of broiler chickens [ 13 ]. AC has been reported to possess antioxidant properties corresponding to ascorbic acid [ 5 ].…”

Section: Discussionmentioning

confidence: 99%

Intestinal microbial ecology and hematological parameters of broiler fed cassava waste pulp fermented with Acremonium charticola

et al. 2017

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Aim:The aim of this study was to evaluate the effect of feeding Acremonium charticola-fermented cassava pulp (AC-FCP) on the intestinal microbial ecology and hematological indices of broiler chickens.Materials and Methods:A total of 240 male Lohman day-old-chicks were randomly allotted to one of the four experimental diets including control diet, control diet + antimicrobials (neomycin; 300 mg/kg diet), diet containing AC-FCP (16 g/100 g diet) or diet containing AC-FCP + antimicrobials. At day 28, the birds from each pen were blood sampled, sacrificed and immediately the internal organs were removed and weighed. Digesta were obtained from the ileum and cecum.Results:Birds fed AC-FCP had lower (p<0.05) coliform bacteria count in the ileal digesta than birds fed control diet or control diet + antimicrobials. Butiric acid was higher (p<0.05) in the cecal content of birds fed AC-FCP than in other birds. Propionic acid was also higher in AC-FCP fed birds than in other birds although statistically not significant. The percentages of lymphocytes and heterophils were higher (p<0.05) and tended (p=0.07) to be lower, respectively, in broilers fed control diet than in other birds. The birds provided control diet had lower (p<0.05) heterophils to lymphocytes ratio compared to those receiving AC-FCP or AC-FCP + antimicrobials. Serum total protein and globulin were higher (p<0.01) in birds fed control diet or control diet + antimicrobials compared to AC-FCP or AC-FCP + antimicrobials fed birds. Serum albumin was lower (p<0.01) in AC-FCP birds than that in other birds. There was a tendency (p=0.09) that birds fed AC-FCP diet had lower total serum cholesterol than other birds.Conclusion:Feeding AC-FCP has potential to improve the intestinal health and protect the birds from acute infections.

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Section: Discussionmentioning

confidence: 99%

Intestinal microbial ecology and hematological parameters of broiler fed cassava waste pulp fermented with Acremonium charticola

et al. 2017

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“…These major compounds have anti-inflammatory and antioxidative activities, and exert their antimicrobial effects by disrupting inorganic ion balance and disturbing pH homeostasis in bacterial membranes (Roofchaee et al, 2011;Zou et al, 2016).Rosemary (Rosmarinus officinalis L.) has several naturally active compounds with antioxidant activity, mainly the phenolic diterpenes, such as carnosol, rosmanol, and their acid forms or flavonoids (Cetin et al, 2017). Also, major components of rosemary EOs are monoterpenes such as α-pinene, 1,8-cineole, myrecene and borneol, which possess strong antimicrobial activities (Khazaei et al, 2017;Yesilbag et al, 2011).As is known, the individual or mixed use of EOs in poultry feeds is not new.There are previous reports on the individual and combined use of various levels of oregano (25-1200 mg/kg) and rosemary (100-500 mg/kg) EOs in poultry feed for determining their effect on growth performance and intestinal flora (Abd El-Latif et al, 2013;Al-Kassie et al, 2008;Basmacioglu et al, 2004;Cetin et al, 2016;Franciosini et al, 2016). However, little comparative information is available on the effects of combined usage levels of oregano and rosemary EOs (especially no data on 200 mg/kg each) in broiler diets.…”

Section: Introductionmentioning

confidence: 99%

Effect of Dietary Oregano and Rosemary Essential Oil Supplementation on Growth Performance and Cecal Microbiota of Broilers

Çetin¹,

Anar²,

Temelli³

et al. 2023

J Hellenic Vet Med Soc

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In this study, the effect of dietary supplementation of oregano and rosemary essential oils (EO) on growth performance and cecal microbiota of broilers were investigated. A total of 450 1-d-old male Ross-308 broilers were divided into 5-experimental groups (10 replicates of 9 chickens): a Control (C), fed a basal diet; four treatments, which received a basal diet supplemented with oregano and rosemary EOs individually (O, 300 mg/kg oregano EO; R, 300 mg/kg rosemary EO) and combined (OR1, 150 mg/kg oregano EO + 150 mg/kg rosemary EO; OR2, 200 mg/kg oregano EO + 200 mg/kg rosemary EO). Body weight (BW), feed intake (FI), body weight gain (BWG), feed conversion ratio (FCR), and cecal microbiota (coliforms, clostridia and lactobacilli) were determined weekly, and at 42 d, respectively. BW in R (p<0.05) and OR2 (p<0.001), and BWG and FCR in OR2 (p<0.05) were significantly higher than C at 42 d, despite no difference in FI in any group during experimental period. Counts of cecal coliforms (p<0.001) and clostridia (p<0.01) decreased, and lactobacilli (p<0.001) increased substantially between C and treatment groups. Results indicated that combined oregano and rosemary EO (200 mg/kg ea) supplementation significantly increased BW and BWG, improved FCR in 1-42 d, lowered coliform and clostridial, and increased lactobacilli counts suggesting a beneficial shift in cecal microbiota.

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“…Thus, essential oils become potential alternatives to antibiotics in feed. Essential oils from ginger, rosemary, cinnamon, Lippia gracilis Schauer were proved to be efficient in poultry feeds in many papers (Abd El‐Hack, Alagawany, Abdel‐Moneim, et al, 2020; Herve et al, 2018; Khazaei et al, 2016; Rocha et al, 2020). Although essential oils are well investigated, the cost is still a critical issue for industrial application.…”

Section: Introductionmentioning

confidence: 99%

A combination of garlic oil and cooked chilli oil could be effective and efficient for pigeon production

Jian

Bao

Wang

et al. 2021

Animal Physiology Nutrition

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This study was conducted to investigate whether the combination of garlic oil and cooked chilli oil is worth using for pigeon production in the context of a total ban on antibiotics in feed additives in China. Two hundred female white king pigeons aged 23 days were randomly divided into five groups with ten replicates (four birds each). In the 47 days trial, the control group was fed with a basal diet, treatment groups were given a basal diet supplemented with 20 mg/kg neomycin sulphate or 2 g/kg corresponding oil (garlic oil or cooked chilli oil or their mixture) respectively. The mixed oil showed obvious antibacterial activity against gram‐positive bacterium and its minimal bactericidal concentration against St. aureus, Salmonella and Escherichia coli were all no more than 1.0 mg/ml. In the feeding experiment, pigeons feed with garlic oil with strong bacteriostatic activity had lower FCR and better protein metabolism, and chilli oil showed strong effects of promoting feed intake and weight gain on pigeons but increased serum glucose and lipid content. Compared with the control and the antibiotic group, the mixed oil got increased growth performance, less drip loss of meat, better protein metabolism promoting, and more complete intestinal structure of pigeon. In addition, the breast meat in the mixed oil group had higher total points in the sensory test. The mixed oil combined the strong bacteriostasis of garlic oil with the feeding promotion effect of cooked chilli oil, it improved the comprehensive performance of pigeons and had the feasibility to be popularized as a non‐antibiotic strategy in pigeon production.

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Comparison between rosemary and commercial antioxidant blend on performance, caecal coliform flora and immunity in broiler chickens fed with diets containing different levels of poultry fat

Abstract: View related articles View Crossmark data Citing articles: 1 View citing articles Comparison between rosemary and commercial antioxidant blend on performance, caecal coliform flora and immunity in broiler chickens fed with diets containing different levels of poultry fat

Cited by 5 publications

References 20 publications

Intestinal microbial ecology and hematological parameters of broiler fed cassava waste pulp fermented with Acremonium charticola

Intestinal microbial ecology and hematological parameters of broiler fed cassava waste pulp fermented with Acremonium charticola

Effect of Dietary Oregano and Rosemary Essential Oil Supplementation on Growth Performance and Cecal Microbiota of Broilers

A combination of garlic oil and cooked chilli oil could be effective and efficient for pigeon production

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