Effects of dietary phytosterols on growth performance, antioxidant status, and meat quality in Partridge Shank chickens

Zhao, Yongwei; Chen, Y P; Cheng, Yefei; Qu, Hengman; Li, J; Cui, Wen; Zhou, Yanmin

doi:10.3382/ps/pez059

Cited by 35 publications

(26 citation statements)

References 41 publications

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“…The content of amino acids and fatty acids in muscles is a key indicator of meat quality, especially diet quality ( Yin et al., 2017 ). The present authors are unaware of any comprehensive evaluation of the effects of PS on profiles of muscle amino acids and fatty acids in broilers, although other effects have been measured on meat quality, antioxidants, and other related indicators in chickens ( Zhao et al., 2019b ; Cheng et al., 2020 ). In this study, dietary PS supplementation increased the concentrations of isoleucine, leucine, cystine glycine, serine, and arginine in the muscles, which may improve muscle quality.…”

Section: Discussionmentioning

confidence: 99%

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Effects of phytosterol supplementation on growth performance, serum lipid, proinflammatory cytokines, intestinal morphology, and meat quality of white feather broilers

et al. 2021

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The aim of this study was to evaluate the effects of dietary phytosterol ( PS ) addition at different levels on growth performance, serum lipid, proinflammatory cytokines, intestinal morphology, and meat quality in broilers. A total of 600, 1-day-old male broilers were allocated into five groups with six replicates and were fed a basal diet supplemented with 0 (control group), 10, 20, 40, or 80 mg/kg PS for 42 days. Compared with the control group, the administration of PS at doses of 40 and 80 mg/kg significantly increased the average daily feed intake and average daily gain of broilers during the experimental period. Similarly, PS at a dosage of 20 and 40 mg/kg increased the concentrations of interleukin-1β, interferon-γ, interleukin-2, and interleukin-6 but decreased triglyceride, total cholesterol, and low-density lipoprotein cholesterol content of serum ( P < 0.05). Dietary PS at less than or equal to 40 mg/kg level increased ( P < 0.05) villus height, and villus height to crypt depth ratio in the duodenum and ileum. Supplementing PS increased the pH value at 45 min post-mortem and decreased drip loss and shear force of breast muscle ( P < 0.05). Dietary PS administration at 20 and 40 mg/kg decreased malondialdehyde accumulation but increased total antioxidant capacity and superoxide dismutase activity of breast muscle compared with the control group ( P < 0.05). PS increased the concentrations of total amino acids and flavor amino acids as well as eicosapentaenoic acid, docosahexaenoic acid, and total polyunsaturated fatty acids but decreased saturated fatty acids in breast muscle ( P < 0.05). It was concluded that dietary PS supplementation, especially at 40 mg/kg, could improve growth performance, serum lipid, proinflammatory cytokines, intestinal morphology, and meat quality in broilers, providing insights into its application as a potential feed additive in broiler production.

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Section: Discussionmentioning

confidence: 99%

“…Many previous studies have shown that PS can increase the antioxidant capacity, metabolism, intestinal morphology and gut microflora of animals. Zhao et al. (2019b) reported that supplementation with PS improved meat quality, growth performance, and antioxidant status of Partridge Shank chickens.…”

Section: Introductionmentioning

confidence: 99%

Effects of phytosterol supplementation on growth performance, serum lipid, proinflammatory cytokines, intestinal morphology, and meat quality of white feather broilers

et al. 2021

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“…Furthermore, antioxidant capacity prevents cell damage from free radicals and other reactive oxygen species (ROS) to avoid oxidative stress (the imbalance between ROS and antioxidants) [36,37]. The concentration of MDA and activities of SOD, GSH-Px are effective indicators to re ect the antioxidant status of ducks [38,39]. A study on Shaoxing ducks showed rearing systems did not have signi cant impacts on the activity of MDA, SOD, CAT, T-AOC, and GSH-Px in the liver [35].…”

Section: Discussionmentioning

confidence: 99%

Changes in production performance, antioxidant capacity and immune status of meat ducks under different rearing systems

Guo¹,

Wang²,

Z³

et al. 2020

Preprint

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Background As potential substitutes of traditional free-range rearing, floor rearing system (FRS) and net rearing system (NRS) are currently predominant dryland rearing systems. In this study, a total of 720 Nonghua ducks were assigned to a 2 × 3 factorial arrangement with two rearing systems (FRS and NRS) and three ages (4w, 8w, and 13w) to study the effects of FRS and NRS on production performance, antioxidant capacity and immune status. Results The production performance was mainly affected at 8w. Body weight, average daily gain, eviscerated weight and semi-eviscerated weight were higher in NRS at 8w, but carcass yield was decreased at 8w and 13w (P < 0.05). Lipid deposition was enhanced in NRS with higher sebum and abdominal fat yield at 8w and 13w (P < 0.05). NRS resulted in the liver developmental retardation at 4w and decreased gizzard index at all ages (P < 0.05). Antioxidant capacity was not affected by rearing systems (P > 0.05), but a tendency of better antioxidant capacity in NRS at 4w was found, while glutathione peroxidase (GSH-Px) activity was higher in NRS at 13w (P < 0.05). Spleen and thymus were promoted in NRS and immune cytokines were extensively affected by rearing system (P < 0.05), exhibiting general higher profiles of IFN-γ, IL-1β, IL-4, immunoglobulins in NRS. Serum biochemical parameters (AST, ALT, and ALP) indicated NRS was better for liver health, and in liver, ALP was higher in FRS at 13w, while ALP and IFN-γ in 13w-FRS were both higher than 4w-FRS and 8w-FRS (P < 0.05). Conclusions Compared with FRS, NRS was conducive to production performance and duck liver health to some extent but it had defects in visceral organ development and lipid deposition. Though antioxidant capacity was not significantly affected, NRS ducks might have better antioxidant capacity at the early stage of breeding, while GSH-Px activity was increased for scavenging excess free radicals at the later one. NRS increased the levels of IFN-γ, IL-1β, IL-4, immunoglobulins in serum and promoted the development of thymus and spleen to improve duck immune function. These results revealed the physiological impacts of FRS and NRS on ducks and provided a reliable reference for rearing system selection.

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“…Many factors affect muscle growth, including tenderness of muscles, nursing environment and dietary protein concentration. Alper and Avalos () and Zhao et al () reported that dietary phytosterol supplementation could improve the meat quality and growth performance of Partridge Shank chickens. Some feed additives, such as baicalein and vitamin E were reported to have a positive effect on immunity and growth performance (Mazur‐Kusnirek et al, ; Zhou, Mao, & Zhou, ).…”

Section: Introductionmentioning

confidence: 99%

Small RNA sequencing of pectoral muscle tissue reveals microRNA‐mediated gene modulation in chicken muscle growth

Zhang

Qiu

et al. 2020

Animal Physiology Nutrition

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Sichuan mountainous black‐bone (SMB) chicken is a small‐sized black‐feathered chicken breed with low amount of meat, while Dahen (DH) chicken has a larger body size and a faster growth rate. MicroRNAs (miRNAs) are involved in various physiological processes, but their role in chicken muscle growth remains unclear. We aimed to investigate the miRNAs and pathways participating in the muscle growth of chicken. MiRNA profiles of four SMB chickens and four DH chickens were detected by small RNA sequencing. A total of 994 known miRNAs were identified, among which gga‐miR‐1a‐3p, gga‐miR‐148‐3p and gga‐miR‐133a‐3p exhibited the highest enrichment in both breeds of chickens. Thirty‐two miRNAs were differently expressed between SMB and DH chickens. The differently expressed miRNAs were mainly associated with fatty acid metabolism, immunity and MAPK activation‐related processes. Kyoto encyclopaedia of genes and genomes (KEGG) analysis showed that miRNAs were involved in the immunity‐related and MAPK signalling pathways. Moreover, miR‐204 was downregulated in DH chicken compared with SMB chicken, and significantly inhibited the expression of MAP3K13, which is involved in the MAPK pathway. It was confirmed through luciferase reporter assays that miR‐204 specifically inhibited the activity of MAP3K13. Our results helped demonstrate the potential molecular mechanisms of muscle growth in chickens and provide valuable information for chicken breeding.

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Effects of dietary phytosterols on growth performance, antioxidant status, and meat quality in Partridge Shank chickens

Cited by 35 publications

References 41 publications

Effects of phytosterol supplementation on growth performance, serum lipid, proinflammatory cytokines, intestinal morphology, and meat quality of white feather broilers

Effects of phytosterol supplementation on growth performance, serum lipid, proinflammatory cytokines, intestinal morphology, and meat quality of white feather broilers

Changes in production performance, antioxidant capacity and immune status of meat ducks under different rearing systems

Small RNA sequencing of pectoral muscle tissue reveals microRNA‐mediated gene modulation in chicken muscle growth

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