Chinese Journal of Animal Nutrition >
Influence of Vitamin A on Intramuscular Fat Deposition in Livestock and Poultry and Its Regulatory Mechanisms
Received date: 2024-07-24
Online published: 2025-02-16
The content of intramuscular fat in livestock and poultry is crucial for enhancing meat quality, as it directly affects the tenderness, water-holding capacity, and unique flavor of the meat. Vitamin A, a compound with retinol bioactivity, plays a significant role in the formation of intramuscular fat in these animals. Research indicates that the addition of vitamin A at different growth stages of livestock and poultry has varying effects on the deposition of intramuscular fat. This paper aims to review the influence of vitamin A on the deposition of intramuscular fat in livestock and poultry, as well as its regulatory mechanisms, in order to provide a reference for further research on the nutritional regulation of meat quality and the exploration of the regulatory mechanisms underlying intramuscular fat deposition in animals.
Key words: vitamin A; meat quality; intramuscular fat; nutrition regulation
CAI Wenrun , LI Ruotong , LI Meng , GUO Xiaohong . Influence of Vitamin A on Intramuscular Fat Deposition in Livestock and Poultry and Its Regulatory Mechanisms[J]. Chinese Journal of Animal Nutrition, 2025 , 37(2) : 826 -836 . DOI: 10.12418/CJAN2025.072
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