Effect of encapsulated carvacrol on the incidence of necrotic enteritis in broiler chickens

Liu, Xiaozhen; Diarra, Moussa S.; Zhang, Yonggang; Wang, Qi; Yu, Hai; Nie, Shaoping; Xie, Ming‐Jin; Gong, Joshua

doi:10.1080/03079457.2016.1138281

Cited by 21 publications

(17 citation statements)

References 23 publications

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“…In the same study, concerning gastrointestinal morphology, histological analysis at slaughter indicated an increase in small-intestinal VH, and the increased expression of mucin mRNA in both large and small intestines. Liu et al (131) found that adding encapsulated carvacrol (250 and 650 mg/kg) appeared to be effective in lessening the severity of necrotic enteritis lesions. Hashemipour et al (132) administered a mixture of carvacrol and thymol in a 1:1 ratio (60, 100 and 200 mg/kg) to broilers, observing an increased antioxidant enzyme activity (superoxide dismutase and glutathione peroxidase) and a retarded lipid oxidation underlined by a decreased level of MDA.…”

Section: Terpenesmentioning

confidence: 99%

Single components of botanicals and nature-identical compounds as a non-antibiotic strategy to ameliorate health status and improve performance in poultry and pigs

Rossi¹,

Toschi

Piva

et al. 2020

Nutr. Res. Rev.

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In the current post-antibiotic era, botanicals represent one of the most employed nutritional strategies to sustain antibiotic-free and no-antibiotic-ever production. Botanicals can be classified either as plant extracts, meaning the direct products derived by extraction from the raw plant materials (essential oils (EO) and oleoresins (OR)), or as nature-identical compounds (NIC), such as the chemically synthesised counterparts of the pure bioactive compounds of EO/OR. In the literature, differences between the use of EO/OR or NIC are often unclear, so it is difficult to attribute certain effects to specific bioactive compounds. The aim of the present review was to provide an overview of the effects exerted by botanicals on the health status and growth performance of poultry and pigs, focusing attention on those studies where only NIC were employed or those where the composition of the EO/OR was defined. In particular, phenolic compounds (apigenin, quercetin, curcumin and resveratrol), organosulfur compounds (allicin), terpenes (eugenol, thymol, carvacrol, capsaicin and artemisinin) and aldehydes (cinnamaldehyde and vanillin) were considered. These molecules have different properties such as antimicrobial (including antibacterial, antifungal, antiviral and antiprotozoal), anti-inflammatory, antioxidant, immunomodulatory, as well as the improvement of intestinal morphology and integrity of the intestinal mucosa. The use of NIC allows us to properly combine pure compounds, according to the target to achieve. Thus, they represent a promising non-antibiotic tool to allow better intestinal health and a general health status, thereby leading to improved growth performance.

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Section: Terpenesmentioning

confidence: 99%

Single components of botanicals and nature-identical compounds as a non-antibiotic strategy to ameliorate health status and improve performance in poultry and pigs

Rossi¹,

Toschi

Piva

et al. 2020

Nutr. Res. Rev.

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“…Therefore, it is expected that the anticoccidial effect of EO will be enhanced if they are specially encapsulated to release active components slowing during passage of the gut thus enable to act on the Eimeria present in duodenum to ceca. Similar strategies with encapsulated EO (EEO) on necrotic enteritis or Salmonella has been reported [9,10].…”

Section: Introductionmentioning

confidence: 62%

Dietary Encapsulated Essential Oils Improve Production Performance of Coccidiosis Vaccine-challenged Broiler Chickens

Lee¹,

Kim²,

Kim³

et al. 2020

Preprint

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The present study was conducted to evaluate encapsulated essential oils as an alternative anticoccidial in coccidiosis vaccine challenged broiler chickens. A total of 600 day-old male broiler chicks were provided with no-added corn-soybean meal-based control diet or diets that contained either salinomycin or EO at 60 and 120 mg per kg of diet. On day 21, half of the control groups were orally challenged with a coccidiosis vaccine at 25 times higher than the recommended vaccine dose. During 22 to 28 days (i.e., one-week post coccidiosis vaccine challenge), the challenged chickens had decrease (P < 0.05) in body weight gain and feed intake but increase in feed conversion ratio compared with the non-challenged, naïve control chickens. However, dietary EO significantly counteracted (P < 0.05) coccidiosis vaccine-induced depression in body weight gain and feed intake. Increasing dietary EO linearly decreased (P < 0.05) the concentrations of the volatile fatty acids. Dietary SAL and EO affected gut morphology in chickens at 20 days posthatch. Increasing dietary EO linearly (P = 0.073) increased serum catalase activity. Collectively, our study shows that dietary EO increased coccidiosis vaccine-induced growth depression and altered gut physiology in broiler chickens.

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“…Therefore, it is expected that the anticoccidial effect of EO will be enhanced if they are technically encapsulated to release active components slowly during passage of the gut, thus enabling action on the Eimeria present in duodenum to ceca. Similar strategies with encapsulated EO (EEO) on necrotic enteritis or Salmonella have been reported [9,10].…”

Section: Introductionmentioning

confidence: 69%

Dietary Encapsulated Essential Oils Improve Production Performance of Coccidiosis-Vaccine-Challenged Broiler Chickens

Lee

Kim

et al. 2020

Animals

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The present study was conducted to evaluate the encapsulated essential oils (EEO) as an alternative to anticoccidials using a coccidiosis vaccine challenged model in broiler chickens. A total of 600 one-day-old male broiler chicks were provided with no added corn/soybean-meal-based control diet or diets that contained either salinomycin (SAL) or thymol- and carvacrol-based EEO at 60 and 120 mg per kg of diet. Before challenge at 21 days, each treatment had 10 replicates except for the no-added control group, which had 20 replicates. On day 21, half of the control groups were orally challenged with a coccidiosis vaccine at 25 times higher than the recommended vaccine dose. During 22 to 28 days (i.e., one-week post coccidiosis vaccine challenge), the challenged chickens had a decrease (P < 0.05) in body weight gain and feed intake but an increase in feed conversion ratio compared with the non-challenged, naïve control chickens. However, dietary EEO significantly counteracted (P < 0.05) coccidiosis-vaccine-induced depression in body weight gain and feed intake. Inclusion of dietary EEO linearly decreased (P < 0.05) the concentrations of the volatile fatty acids. Dietary SAL and EEO affected gut morphology in chickens at 20 days post-hatch. Dietary EEO linearly (P = 0.073) increased serum catalase activity as the inclusion level increased. Collectively, our study shows that dietary EEO increased coccidiosis-vaccine-induced growth depression and altered gut physiology in broiler chickens. Our study adds to the accumulating evidence that dietary EEO is proven to be an effective alternative to anticoccidials for broiler chickens.

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Effect of encapsulated carvacrol on the incidence of necrotic enteritis in broiler chickens

Cited by 21 publications

References 23 publications

Single components of botanicals and nature-identical compounds as a non-antibiotic strategy to ameliorate health status and improve performance in poultry and pigs

Single components of botanicals and nature-identical compounds as a non-antibiotic strategy to ameliorate health status and improve performance in poultry and pigs

Dietary Encapsulated Essential Oils Improve Production Performance of Coccidiosis Vaccine-challenged Broiler Chickens

Dietary Encapsulated Essential Oils Improve Production Performance of Coccidiosis-Vaccine-Challenged Broiler Chickens

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