2021
DOI: 10.5713/ajas.20.0552
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Effect of dietary supplementation of a phytogenic blend containing Schisandra chinensis, Pinus densiflora, and Allium tuberosum on productivity, egg quality, and health parameters in laying hens

Abstract: Objective: This study was conducted to investigate the supplementary effect of a phytogenic blend (SPA: a mixture containing fermented <i>Schisandra chinensis</i> pomace, fermented <i>Pinus densiflora</i> needle extract, and <i>Allium tuberosum</i> powder in the ratio of 2:2:1) on egg production, egg quality, blood constituents, and visceral organs in laying hens.Methods: A total of 135 Hy-line brown laying hens (48-wk-old) were randomly allocated to three dietary treatments… Show more

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Cited by 22 publications
(13 citation statements)
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“…This variability in result might be related to the lower dose of FPNE or multiple components present in the feed additive mixture. In line with the present study, many studies of the inclusion of phytogenic preparations in layers' diets indicated the dose-dependent increase in the feed intake in hens [24,25]. It is generally considered that PFA could improve the flavor and palatability of poultry feed, subsequently increasing the total feed intake.…”
Section: Discussionsupporting
confidence: 88%
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“…This variability in result might be related to the lower dose of FPNE or multiple components present in the feed additive mixture. In line with the present study, many studies of the inclusion of phytogenic preparations in layers' diets indicated the dose-dependent increase in the feed intake in hens [24,25]. It is generally considered that PFA could improve the flavor and palatability of poultry feed, subsequently increasing the total feed intake.…”
Section: Discussionsupporting
confidence: 88%
“…HU is the measure of internal egg quality. Generally, eggs are graded according to their HU values: AA, ≥72; A, 71-60; and B, <60 [24]. Herein, HU in all the dietary treatments were above 80, suggesting that the eggs produced in this study are of good quality.…”
Section: Discussionmentioning
confidence: 66%
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“…Therefore, it could easily conclude that high level E. ulmoides extract contributed to ameliorate hyperlipidemia of hens. Ig A and Ig M are the main classes of Ig and play a critical role in immune regulation in poultry ( Moon et al, 2021 ). Interestingly, plasma Ig A, Ig G, and IFN- γ contents also increased in D group, indicating that supplementation E. ulmoides extract at a relative high content could enhance immunity of hens.…”
Section: Discussionmentioning
confidence: 99%
“…The use of IFA has played a crucial role in increasing the economic effectiveness of the animal industry [ 3 ]. However, the use of IFA in inappropriate dosages and during prolonged periods may increase the emergence of drug-resistant strains of pathogens [ 4 , 5 , 6 ]. Furthermore, the imbalance of intestinal microbial composition through destruction of beneficial bacteria by IFA inclusion has led to the frequent incidence of gastrointestinal diseases with sub-optimal animal performance and may have subsequently increased the consumption of therapeutic antibiotics.…”
Section: Introductionmentioning
confidence: 99%