| Summary: | Moringa oleifera is a nutrient-rich plant with a wide range of beneficial effects on chicken and chicken products. Mae Hong Son chickens, a variety of Thai native poultry, are renowned for their exceptional meat quality, distinct flavor, and remarkable tenderness. Therefore, this present study aimed to investigate the effects of Moringa oleifera leaf extract (MOLE) on growth performance, blood hematology and immunity, carcass, and meat quality of Mae Hong Son chickens, respectively. Briefly, 200 birds of Mae Hong Son chickens were subsequently divided into 4 groups, each containing 50 birds. They were fed for 16 weeks with different supplementary as follows: 1. Control group 2. Placebo (maltodextrin + microcrystalline cellulose PH101) 3. 2% of MOLE extract supplementation and 4. 4% of MOLE extract supplementation. The results showed that T4 achieved the best outcomes in terms of body weight and average daily gain, while also having the lowest total white blood cell (WBC) count and the highest ND HI titer at 12 weeks old (p < 0.05). On the other hand, T1 had the highest fat percentage and thiobarbituric acid reactive substances (TBARS) values in both the thigh and breast (p < 0.05). Additionally, the shear force of T1 was the lowest, both in the thigh and breast (p < 0.05). In summary, the potential of MOLE could improve growth performance, hematological parameters, immune response, and meat quality in Thai native chicken production.
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