What question did this study set out to answer?

This study aims to compare the effects of L-ornithine-L-aspartate versus a mixture of its components on growth performance and nitrogen metabolism in broiler chickens.

July 4, 2026Journal of Animal Science and Biotechnology/Journal of animal science and biotechnologyOpen Access

L-Ornithine-L-aspartate enhances growth performance and nitrogen metabolism via modulation of intestinal amino acid transporters and microbiota in broilers

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Authors

XZXiaodan ZhangChina Agricultural University GMGuangzhi MaAnhui Jianzhu University JWJinping WangChina Agricultural University

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Implication

Randomized trial demonstrates improved growth performance and nitrogen metabolism in broilers, indicating the benefits of L-ornithine-L-aspartate supplementation.

Key Points

This study aims to compare the effects of L-ornithine-L-aspartate versus a mixture of its components on growth performance and nitrogen metabolism in broiler chickens.
White-feathered broilers were supplemented with either L-ornithine-L-aspartate or a mixture of ornithine and aspartic acid.
Growth performance, nitrogen metabolism, and intestinal health aspects were assessed.
Metabolomic and microbiomic analyses evaluated changes in amino acid transport and gut microbiota.
L-ornithine-L-aspartate supplementation improved growth performance with significant increases in body weight and breast muscle percentage (P < 0.05).
It reduced the feed conversion ratio from days 1 to 21 and enhanced hepatic OAT activity at day 21.
L-ornithine-L-aspartate uniquely up-regulated intestinal amino acid transporters and improved gut microbiota health.

Cite This Study

Zhang et al. (2026) studied this question.

synapsesocial.com/papers/6a48a83589561a0c2d78efe0 https://doi.org/10.1186/s40104-026-01450-7

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Implication

Randomized trial demonstrates improved growth performance and nitrogen metabolism in broilers, indicating the benefits of L-ornithine-L-aspartate supplementation.

L-Ornithine-L-aspartate enhances growth performance and nitrogen metabolism via modulation of intestinal amino acid transporters and microbiota in broilers

Discussion

Member takes

Implication

Key Points

Cite This Study

L-Ornithine-L-aspartate enhances growth performance and nitrogen metabolism via modulation of intestinal amino acid transporters and microbiota in broilers

Discussion

Member takes

Implication

Key Points

Cite This Study

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