Skip to content

Study · Animal study (in vivo) · broiler chickens · 2017

19 results

Effects of dietary supplementation with carnosine on growth performance, meat quality, antioxidant capacity and muscle fiber characteristics in broiler chickens.

Cong J, Zhang L, Li J, Wang S, Gao F, Zhou G

Journal of the science of food and agriculture3 Mar 2017Cited by 43 (Europe PMC)

Summary

The text of this summary is not shown here, because the article license does not allow reuse. Read it at the source (opens in a new tab)

Text rights: Publisher copyright. Results still quote short attributed sentences.

Results from this study19

19 results from studies that gave the peptide. No result from this study comes from people.

  1. 01AnimalAnimal study (in vivo)Pharmacokinetics

    In broiler chickens, dietary carnosine linearly increased thigh muscle carnosine concentration versus basal diet.

    In plain wordsIn chickens, dietary carnosine linearly increased thigh muscle carnosine concentration versus basal diet.

    Outcome
    IncreaseThigh muscle carnosine concentration
    Study

    broiler chickensn: not reported in source

    Male broilers
    Comparator
    Basal diet without carnosine
    Outcome group
    Pharmacokinetics · Musculoskeletal
    Studied dose
    100, 200 or 400 mg kg-1 diet · dietary · 42 dayAs given in this study (broiler chickens).

    Source sentences

    Summary
    Carnosine concentration and carnosine synthase expression in thigh muscle were linearly increased (P < 0.05) and the feed/gain ratio was decreased (P < 0.05) in the starter period by carnosine addition.
    2 context sentences
    Summary · context
    The effects of dietary carnosine were evaluated on the growth performance, meat quality, antioxidant capacity and muscle fiber characteristics in thigh muscle of 256 one-day-old male broilers assigned to four diets
    Summary · context
    basal diets supplemented with 0, 100, 200 or 400 mg kg-1 carnosine respectively - during a 42 day experiment.
  2. 02AnimalAnimal study (in vivo)Mechanism

    In broiler chickens, dietary carnosine linearly increased thigh muscle carnosine synthase expression versus basal diet.

    In plain wordsIn chickens, dietary carnosine linearly increased thigh muscle carnosine synthase expression versus basal diet.

    Outcome
    IncreaseCarnosine synthase expression
    Study

    broiler chickensn: not reported in source

    Male broilers
    Comparator
    Basal diet without carnosine
    Outcome group
    Receptor activity and mechanism · Musculoskeletal
    Studied dose
    100, 200 or 400 mg kg-1 diet · dietary · 42 dayAs given in this study (broiler chickens).

    Source sentences

    Summary
    Carnosine concentration and carnosine synthase expression in thigh muscle were linearly increased (P < 0.05) and the feed/gain ratio was decreased (P < 0.05) in the starter period by carnosine addition.
    2 context sentences
    Summary · context
    The effects of dietary carnosine were evaluated on the growth performance, meat quality, antioxidant capacity and muscle fiber characteristics in thigh muscle of 256 one-day-old male broilers assigned to four diets
    Summary · context
    basal diets supplemented with 0, 100, 200 or 400 mg kg-1 carnosine respectively - during a 42 day experiment.
  3. 03AnimalAnimal study (in vivo)Efficacy outcome

    In broiler chickens, dietary carnosine decreased starter-period feed/gain ratio versus basal diet.

    In plain wordsIn chickens, dietary carnosine decreased starter-period feed/gain ratio versus basal diet.

    Outcome
    DecreaseStarter feed/gain ratio
    Study

    broiler chickensn: not reported in source

    Male broilers
    Comparator
    Basal diet without carnosine
    Outcome group
    Body weight · Musculoskeletal
    Studied dose
    100, 200 or 400 mg kg-1 diet · dietary · 42 dayAs given in this study (broiler chickens).

    Source sentences

    Summary
    Carnosine concentration and carnosine synthase expression in thigh muscle were linearly increased (P < 0.05) and the feed/gain ratio was decreased (P < 0.05) in the starter period by carnosine addition.
    2 context sentences
    Summary · context
    The effects of dietary carnosine were evaluated on the growth performance, meat quality, antioxidant capacity and muscle fiber characteristics in thigh muscle of 256 one-day-old male broilers assigned to four diets
    Summary · context
    basal diets supplemented with 0, 100, 200 or 400 mg kg-1 carnosine respectively - during a 42 day experiment.
  4. 04AnimalAnimal study (in vivo)Efficacy outcome

    In broiler chickens, dietary carnosine linearly increased thigh meat pH versus basal diet.

    In plain wordsIn chickens, dietary carnosine linearly increased thigh meat pH versus basal diet.

    Outcome
    IncreaseThigh meat pH
    Study

    broiler chickensn: not reported in source

    Male broilers
    Comparator
    Basal diet without carnosine
    Outcome group
    Non-clinical applications · Musculoskeletal
    Studied dose
    100, 200 or 400 mg kg-1 diet · dietary · 42 dayAs given in this study (broiler chickens).

    Source sentences

    Summary
    Dietary supplementation with carnosine resulted in linear increases in pH45min , redness and cohesiveness and decreases in drip loss, cooking loss, shear force and hardness (P < 0.05).
    2 context sentences
    Summary · context
    The effects of dietary carnosine were evaluated on the growth performance, meat quality, antioxidant capacity and muscle fiber characteristics in thigh muscle of 256 one-day-old male broilers assigned to four diets
    Summary · context
    basal diets supplemented with 0, 100, 200 or 400 mg kg-1 carnosine respectively - during a 42 day experiment.
  5. 05AnimalAnimal study (in vivo)Efficacy outcome

    In broiler chickens, dietary carnosine linearly increased thigh meat redness versus basal diet.

    In plain wordsIn chickens, dietary carnosine linearly increased thigh meat redness versus basal diet.

    Outcome
    IncreaseThigh meat redness
    Study

    broiler chickensn: not reported in source

    Male broilers
    Comparator
    Basal diet without carnosine
    Outcome group
    Non-clinical applications · Musculoskeletal
    Studied dose
    100, 200 or 400 mg kg-1 diet · dietary · 42 dayAs given in this study (broiler chickens).

    Source sentences

    Summary
    Dietary supplementation with carnosine resulted in linear increases in pH45min , redness and cohesiveness and decreases in drip loss, cooking loss, shear force and hardness (P < 0.05).
    2 context sentences
    Summary · context
    The effects of dietary carnosine were evaluated on the growth performance, meat quality, antioxidant capacity and muscle fiber characteristics in thigh muscle of 256 one-day-old male broilers assigned to four diets
    Summary · context
    basal diets supplemented with 0, 100, 200 or 400 mg kg-1 carnosine respectively - during a 42 day experiment.
  6. 06AnimalAnimal study (in vivo)Efficacy outcome

    In broiler chickens, dietary carnosine linearly increased thigh meat cohesiveness versus basal diet.

    In plain wordsIn chickens, dietary carnosine linearly increased thigh meat cohesiveness versus basal diet.

    Outcome
    IncreaseThigh meat cohesiveness
    Study

    broiler chickensn: not reported in source

    Male broilers
    Comparator
    Basal diet without carnosine
    Outcome group
    Non-clinical applications · Musculoskeletal
    Studied dose
    100, 200 or 400 mg kg-1 diet · dietary · 42 dayAs given in this study (broiler chickens).

    Source sentences

    Summary
    Dietary supplementation with carnosine resulted in linear increases in pH45min , redness and cohesiveness and decreases in drip loss, cooking loss, shear force and hardness (P < 0.05).
    2 context sentences
    Summary · context
    The effects of dietary carnosine were evaluated on the growth performance, meat quality, antioxidant capacity and muscle fiber characteristics in thigh muscle of 256 one-day-old male broilers assigned to four diets
    Summary · context
    basal diets supplemented with 0, 100, 200 or 400 mg kg-1 carnosine respectively - during a 42 day experiment.
  7. 07AnimalAnimal study (in vivo)Efficacy outcome

    In broiler chickens, dietary carnosine decreased thigh meat drip loss versus basal diet.

    In plain wordsIn chickens, dietary carnosine decreased thigh meat drip loss versus basal diet.

    Outcome
    DecreaseThigh meat drip loss
    Study

    broiler chickensn: not reported in source

    Male broilers
    Comparator
    Basal diet without carnosine
    Outcome group
    Non-clinical applications · Musculoskeletal
    Studied dose
    100, 200 or 400 mg kg-1 diet · dietary · 42 dayAs given in this study (broiler chickens).

    Source sentences

    Summary
    Dietary supplementation with carnosine resulted in linear increases in pH45min , redness and cohesiveness and decreases in drip loss, cooking loss, shear force and hardness (P < 0.05).
    2 context sentences
    Summary · context
    The effects of dietary carnosine were evaluated on the growth performance, meat quality, antioxidant capacity and muscle fiber characteristics in thigh muscle of 256 one-day-old male broilers assigned to four diets
    Summary · context
    basal diets supplemented with 0, 100, 200 or 400 mg kg-1 carnosine respectively - during a 42 day experiment.
  8. 08AnimalAnimal study (in vivo)Efficacy outcome

    In broiler chickens, dietary carnosine decreased thigh meat cooking loss versus basal diet.

    In plain wordsIn chickens, dietary carnosine decreased thigh meat cooking loss versus basal diet.

    Outcome
    DecreaseThigh meat cooking loss
    Study

    broiler chickensn: not reported in source

    Male broilers
    Comparator
    Basal diet without carnosine
    Outcome group
    Non-clinical applications · Musculoskeletal
    Studied dose
    100, 200 or 400 mg kg-1 diet · dietary · 42 dayAs given in this study (broiler chickens).

    Source sentences

    Summary
    Dietary supplementation with carnosine resulted in linear increases in pH45min , redness and cohesiveness and decreases in drip loss, cooking loss, shear force and hardness (P < 0.05).
    2 context sentences
    Summary · context
    The effects of dietary carnosine were evaluated on the growth performance, meat quality, antioxidant capacity and muscle fiber characteristics in thigh muscle of 256 one-day-old male broilers assigned to four diets
    Summary · context
    basal diets supplemented with 0, 100, 200 or 400 mg kg-1 carnosine respectively - during a 42 day experiment.
  9. 09AnimalAnimal study (in vivo)Efficacy outcome

    In broiler chickens, dietary carnosine decreased thigh meat shear force versus basal diet.

    In plain wordsIn chickens, dietary carnosine decreased thigh meat shear force versus basal diet.

    Outcome
    DecreaseThigh meat shear force
    Study

    broiler chickensn: not reported in source

    Male broilers
    Comparator
    Basal diet without carnosine
    Outcome group
    Non-clinical applications · Musculoskeletal
    Studied dose
    100, 200 or 400 mg kg-1 diet · dietary · 42 dayAs given in this study (broiler chickens).

    Source sentences

    Summary
    Dietary supplementation with carnosine resulted in linear increases in pH45min , redness and cohesiveness and decreases in drip loss, cooking loss, shear force and hardness (P < 0.05).
    2 context sentences
    Summary · context
    The effects of dietary carnosine were evaluated on the growth performance, meat quality, antioxidant capacity and muscle fiber characteristics in thigh muscle of 256 one-day-old male broilers assigned to four diets
    Summary · context
    basal diets supplemented with 0, 100, 200 or 400 mg kg-1 carnosine respectively - during a 42 day experiment.
  10. 10AnimalAnimal study (in vivo)Efficacy outcome

    In broiler chickens, dietary carnosine decreased thigh meat hardness versus basal diet.

    In plain wordsIn chickens, dietary carnosine decreased thigh meat hardness versus basal diet.

    Outcome
    DecreaseThigh meat hardness
    Study

    broiler chickensn: not reported in source

    Male broilers
    Comparator
    Basal diet without carnosine
    Outcome group
    Non-clinical applications · Musculoskeletal
    Studied dose
    100, 200 or 400 mg kg-1 diet · dietary · 42 dayAs given in this study (broiler chickens).

    Source sentences

    Summary
    Dietary supplementation with carnosine resulted in linear increases in pH45min , redness and cohesiveness and decreases in drip loss, cooking loss, shear force and hardness (P < 0.05).
    2 context sentences
    Summary · context
    The effects of dietary carnosine were evaluated on the growth performance, meat quality, antioxidant capacity and muscle fiber characteristics in thigh muscle of 256 one-day-old male broilers assigned to four diets
    Summary · context
    basal diets supplemented with 0, 100, 200 or 400 mg kg-1 carnosine respectively - during a 42 day experiment.
  11. 11AnimalAnimal study (in vivo)Efficacy outcome

    In broiler chickens, dietary carnosine increased antioxidant enzyme activity versus basal diet.

    In plain wordsIn chickens, dietary carnosine increased antioxidant enzyme activity versus basal diet.

    Outcome
    IncreaseAntioxidant enzyme activity
    Study

    broiler chickensn: not reported in source

    Male broilers
    Comparator
    Basal diet without carnosine
    Outcome group
    Oxidative stress · Musculoskeletal
    Studied dose
    100, 200 or 400 mg kg-1 diet · dietary · 42 dayAs given in this study (broiler chickens).

    Source sentences

    Summary
    Carnosine addition elevated the activities of antioxidant enzymes and reduced contents of malondialdehyde and carbonyl compounds (P < 0.05).
    2 context sentences
    Summary · context
    The effects of dietary carnosine were evaluated on the growth performance, meat quality, antioxidant capacity and muscle fiber characteristics in thigh muscle of 256 one-day-old male broilers assigned to four diets
    Summary · context
    basal diets supplemented with 0, 100, 200 or 400 mg kg-1 carnosine respectively - during a 42 day experiment.
  12. 12AnimalAnimal study (in vivo)Efficacy outcome

    In broiler chickens, dietary carnosine reduced malondialdehyde contents versus basal diet.

    In plain wordsIn chickens, dietary carnosine reduced malondialdehyde contents versus basal diet.

    Outcome
    DecreaseMalondialdehyde contents
    Study

    broiler chickensn: not reported in source

    Male broilers
    Comparator
    Basal diet without carnosine
    Outcome group
    Oxidative stress · Musculoskeletal
    Studied dose
    100, 200 or 400 mg kg-1 diet · dietary · 42 dayAs given in this study (broiler chickens).

    Source sentences

    Summary
    Carnosine addition elevated the activities of antioxidant enzymes and reduced contents of malondialdehyde and carbonyl compounds (P < 0.05).
    2 context sentences
    Summary · context
    The effects of dietary carnosine were evaluated on the growth performance, meat quality, antioxidant capacity and muscle fiber characteristics in thigh muscle of 256 one-day-old male broilers assigned to four diets
    Summary · context
    basal diets supplemented with 0, 100, 200 or 400 mg kg-1 carnosine respectively - during a 42 day experiment.
  13. 13AnimalAnimal study (in vivo)Efficacy outcome

    In broiler chickens, dietary carnosine reduced carbonyl compound contents versus basal diet.

    In plain wordsIn chickens, dietary carnosine reduced carbonyl compound contents versus basal diet.

    Outcome
    DecreaseCarbonyl compound contents
    Study

    broiler chickensn: not reported in source

    Male broilers
    Comparator
    Basal diet without carnosine
    Outcome group
    Oxidative stress · Musculoskeletal
    Studied dose
    100, 200 or 400 mg kg-1 diet · dietary · 42 dayAs given in this study (broiler chickens).

    Source sentences

    Summary
    Carnosine addition elevated the activities of antioxidant enzymes and reduced contents of malondialdehyde and carbonyl compounds (P < 0.05).
    2 context sentences
    Summary · context
    The effects of dietary carnosine were evaluated on the growth performance, meat quality, antioxidant capacity and muscle fiber characteristics in thigh muscle of 256 one-day-old male broilers assigned to four diets
    Summary · context
    basal diets supplemented with 0, 100, 200 or 400 mg kg-1 carnosine respectively - during a 42 day experiment.
  14. 14AnimalAnimal study (in vivo)Efficacy outcome

    In broiler chickens, dietary carnosine linearly decreased muscle fiber diameter versus basal diet.

    In plain wordsIn chickens, dietary carnosine linearly decreased muscle fiber diameter versus basal diet.

    Outcome
    DecreaseMuscle fiber diameter
    Study

    broiler chickensn: not reported in source

    Male broilers
    Comparator
    Basal diet without carnosine
    Outcome group
    Muscle injury and repair · Musculoskeletal
    Studied dose
    100, 200 or 400 mg kg-1 diet · dietary · 42 dayAs given in this study (broiler chickens).

    Source sentences

    Summary
    Dietary carnosine linearly decreased diameters and increased densities of muscle fibers (P < 0.01).
    2 context sentences
    Summary · context
    The effects of dietary carnosine were evaluated on the growth performance, meat quality, antioxidant capacity and muscle fiber characteristics in thigh muscle of 256 one-day-old male broilers assigned to four diets
    Summary · context
    basal diets supplemented with 0, 100, 200 or 400 mg kg-1 carnosine respectively - during a 42 day experiment.
  15. 15AnimalAnimal study (in vivo)Efficacy outcome

    In broiler chickens, dietary carnosine linearly increased muscle fiber density versus basal diet.

    In plain wordsIn chickens, dietary carnosine linearly increased muscle fiber density versus basal diet.

    Outcome
    IncreaseMuscle fiber density
    Study

    broiler chickensn: not reported in source

    Male broilers
    Comparator
    Basal diet without carnosine
    Outcome group
    Muscle injury and repair · Musculoskeletal
    Studied dose
    100, 200 or 400 mg kg-1 diet · dietary · 42 dayAs given in this study (broiler chickens).

    Source sentences

    Summary
    Dietary carnosine linearly decreased diameters and increased densities of muscle fibers (P < 0.01).
    2 context sentences
    Summary · context
    The effects of dietary carnosine were evaluated on the growth performance, meat quality, antioxidant capacity and muscle fiber characteristics in thigh muscle of 256 one-day-old male broilers assigned to four diets
    Summary · context
    basal diets supplemented with 0, 100, 200 or 400 mg kg-1 carnosine respectively - during a 42 day experiment.
  16. 16AnimalAnimal study (in vivo)Efficacy outcome

    In broiler chickens, dietary carnosine increased the MyHC I ratio versus basal diet.

    In plain wordsIn chickens, dietary carnosine increased the MyHC I ratio versus basal diet.

    Outcome
    IncreaseMyHC I ratio
    Study

    broiler chickensn: not reported in source

    Male broilers
    Comparator
    Basal diet without carnosine
    Outcome group
    Muscle injury and repair · Musculoskeletal
    Studied dose
    100, 200 or 400 mg kg-1 diet · dietary · 42 dayAs given in this study (broiler chickens).

    Source sentences

    Summary
    The ratios of myosin heavy chain (MyHC) I and IIa were increased while that of MyHC IIb was decreased (P < 0.01).
    2 context sentences
    Summary · context
    The effects of dietary carnosine were evaluated on the growth performance, meat quality, antioxidant capacity and muscle fiber characteristics in thigh muscle of 256 one-day-old male broilers assigned to four diets
    Summary · context
    basal diets supplemented with 0, 100, 200 or 400 mg kg-1 carnosine respectively - during a 42 day experiment.
  17. 17AnimalAnimal study (in vivo)Efficacy outcome

    In broiler chickens, dietary carnosine increased the MyHC IIa ratio versus basal diet.

    In plain wordsIn chickens, dietary carnosine increased the MyHC IIa ratio versus basal diet.

    Outcome
    IncreaseMyHC IIa ratio
    Study

    broiler chickensn: not reported in source

    Male broilers
    Comparator
    Basal diet without carnosine
    Outcome group
    Muscle injury and repair · Musculoskeletal
    Studied dose
    100, 200 or 400 mg kg-1 diet · dietary · 42 dayAs given in this study (broiler chickens).

    Source sentences

    Summary
    The ratios of myosin heavy chain (MyHC) I and IIa were increased while that of MyHC IIb was decreased (P < 0.01).
    2 context sentences
    Summary · context
    The effects of dietary carnosine were evaluated on the growth performance, meat quality, antioxidant capacity and muscle fiber characteristics in thigh muscle of 256 one-day-old male broilers assigned to four diets
    Summary · context
    basal diets supplemented with 0, 100, 200 or 400 mg kg-1 carnosine respectively - during a 42 day experiment.
  18. 18AnimalAnimal study (in vivo)Efficacy outcome

    In broiler chickens, dietary carnosine decreased the MyHC IIb ratio versus basal diet.

    In plain wordsIn chickens, dietary carnosine decreased the MyHC IIb ratio versus basal diet.

    Outcome
    DecreaseMyHC IIb ratio
    Study

    broiler chickensn: not reported in source

    Male broilers
    Comparator
    Basal diet without carnosine
    Outcome group
    Muscle injury and repair · Musculoskeletal
    Studied dose
    100, 200 or 400 mg kg-1 diet · dietary · 42 dayAs given in this study (broiler chickens).

    Source sentences

    Summary
    The ratios of myosin heavy chain (MyHC) I and IIa were increased while that of MyHC IIb was decreased (P < 0.01).
    2 context sentences
    Summary · context
    The effects of dietary carnosine were evaluated on the growth performance, meat quality, antioxidant capacity and muscle fiber characteristics in thigh muscle of 256 one-day-old male broilers assigned to four diets
    Summary · context
    basal diets supplemented with 0, 100, 200 or 400 mg kg-1 carnosine respectively - during a 42 day experiment.
  19. 19AnimalAnimal study (in vivo)Mechanism

    In broiler chickens, dietary carnosine linearly increased expression of fiber transformation genes versus basal diet.

    In plain wordsIn chickens, dietary carnosine linearly increased expression of fiber transformation genes versus basal diet.

    Outcome
    IncreaseFiber transformation gene expression
    Study

    broiler chickensn: not reported in source

    Male broilers
    Comparator
    Basal diet without carnosine
    Outcome group
    Receptor activity and mechanism · Musculoskeletal
    Studied dose
    100, 200 or 400 mg kg-1 diet · dietary · 42 dayAs given in this study (broiler chickens).

    Source sentences

    Summary
    The mRNA expressions of genes related to fiber type transformation were linearly up-regulated (P < 0.05).
    2 context sentences
    Summary · context
    The effects of dietary carnosine were evaluated on the growth performance, meat quality, antioxidant capacity and muscle fiber characteristics in thigh muscle of 256 one-day-old male broilers assigned to four diets
    Summary · context
    basal diets supplemented with 0, 100, 200 or 400 mg kg-1 carnosine respectively - during a 42 day experiment.

AI wrote and checked these results. AI can make mistakes, so check important results against the source.

Version history

PepBank keeps every version of the data on this study. Status changes from Retraction Watch, Europe PMC and Crossref are listed with their source.

  1. Version 2Current

    27 Oct 2026, 18:20 UTC

    Study results updated

  2. Version 1

    27 Oct 2026, 16:32 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

PepBank is a research reference. Talk to a doctor before you use any peptide.