Effects of chitooligosaccharide on the in vitro antibacterial activity against avian Escherichia coli and the pharmacokinetics of florfenicol in healthy chickens

Zhang, Mei; Li, Ze-En; Duan, Ming-Hui; Dai, Yan; Jin, Yang-Guang; Liu, Yue; Zhang, Yan-Ni; Li, Xing-Ping; Yang, Fan

doi:10.1016/j.psj.2023.103373

Poultry Science

2024

DOI: 10.1016/j.psj.2023.103373

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Effects of chitooligosaccharide on the in vitro antibacterial activity against avian Escherichia coli and the pharmacokinetics of florfenicol in healthy chickens

Mei Zhang,

Ze-En Li,

Ming-Hui Duan

et al.

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2024

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Laying Performance, Egg Quality, and Serum Biochemical Indicators of Laying Ducks Affected by Dietary Chitosan Oligosaccharides Supplementation

Gao,

Liu,

2024

THE JAPS

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Chitosan oligosaccharides (COs) have varying physiologic activities. This work aims to explore effects of dietary COs on the laying performance, egg quality, and plasma biochemical indicators of laying ducks. Four diets were formulated by supplementing different dosages (0, 25, 50, and 100 mg/kg) of COs in basal diet. A total of 288 Suyou No.2 healthy laying ducks at peak egg production stage with age of 28 weeks, similar weights (1500 ± 106 g) and egg laying rates were randomly evenly assigned to four groups, with 6 replicates in each group. Dietary 50 mg/kg of COs increased daily egg production (EP), egg mass (EM), egg weight (EW), eggshell strength, yolk color, serum superoxide dismutase (SOD) and glutathione peroxidase (GPX) activities, and immunoglobulin (Ig) G, Ig A, Ig M, and high-density lipoprotein levels (HDL-C). Conversely, it decreased the feed conversion ratio (FCR), yolk percentage, and serum malondialdehyde (MDA), total cholesterol (TC), triglyceride (TG), and low-density lipoprotein cholesterol (LDL-C) levels of laying ducks. Nevertheless, a high dosage of COs (100 mg/kg) neither decreased nor improved the efficiency. The optimum dose of COs supplementation required for the maximum egg mass of laying ducks was 61.41 mg/kg. These results indicated that COs supplementation at an appropriate dosage could ameliorate the laying performance, egg quality, and health condition of laying ducks. Keywords: dietary, chitosan oligosaccharides, laying ducks.

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Laying Performance, Egg Quality, and Serum Biochemical Indicators of Laying Ducks Affected by Dietary Chitosan Oligosaccharides Supplementation

Gao,

Liu,

2024

THE JAPS

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Effects of chitooligosaccharide on the in vitro antibacterial activity against avian Escherichia coli and the pharmacokinetics of florfenicol in healthy chickens

Cited by 1 publication

References 30 publications

Laying Performance, Egg Quality, and Serum Biochemical Indicators of Laying Ducks Affected by Dietary Chitosan Oligosaccharides Supplementation

Laying Performance, Egg Quality, and Serum Biochemical Indicators of Laying Ducks Affected by Dietary Chitosan Oligosaccharides Supplementation

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