Effects of <i>Bacillus subtilis</i> and <i>Rhodotorula</i> Yeast Culture on the Growth Performance, Meat Quality, Antioxidant Capacity, and Serum Metabolites in Yellow-Feathered Broilers
This study aimed to investigate the effects of dietary supplementation with <i>Bacillus subtilis</i> (BS) and <i>Rhodotorula</i> yeast culture (RYC) used as feed additives to study their effects on growth performance, meat quality, antioxidant capacity, and serum metabolomics...
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MDPI AG
2025-07-01
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| author | Ke Wang Xiangtan Su Xinyu Lu Guang Yang Gaowei Zhang Jiwei Chen Jiale Sun Aiqin Gao |
| author_facet | Ke Wang Xiangtan Su Xinyu Lu Guang Yang Gaowei Zhang Jiwei Chen Jiale Sun Aiqin Gao |
| author_sort | Ke Wang |
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| description | This study aimed to investigate the effects of dietary supplementation with <i>Bacillus subtilis</i> (BS) and <i>Rhodotorula</i> yeast culture (RYC) used as feed additives to study their effects on growth performance, meat quality, antioxidant capacity, and serum metabolomics in yellow-feathered broilers. A total of 192 one-day-old healthy yellow-feathered broilers were randomly divided into four treatment groups. The CON group was fed a basal diet, whereas the BS, RYC, and MIX groups were fed diets supplemented with 5 × 10<sup>9</sup> CFU/kg BS, 5000 mg/kg RYC, and a combination of both, respectively. The experimental period comprised 56 days. In the initial stage of growth, compared with the CON group, the body weight and average daily gain of broilers in the BS group were significantly increased (<i>p</i> < 0.05). The BS group increased the activity of CAT and SOD in broilers at 28 days, and the activity of CAT in RYC and MIX group were also significantly increased (<i>p</i> < 0.05). BS could increase GSH-Px activity significantly in broilers at 56 days (<i>p</i> < 0.05). Moreover, in comparison with the CON group, the MIX group decreased shear force and drip loss significantly (<i>p</i> < 0.05). Serum metabolome analysis showed that the addition of BS or RYC alone had the greatest difference in the abundance of D-amino acid metabolism and lysine metabolism, while the combined addition of BS and RYC found that glycerophospholipid metabolism and tryptophan metabolism had the greatest difference. In conclusion, dietary addition of BS and RYC could improve the meat quality of yellow-feathered broilers. |
| format | Article |
| id | doaj-art-b26694192e4443c19d28e77cf8b711cc |
| institution | DOAJ |
| issn | 2079-7737 |
| language | English |
| publishDate | 2025-07-01 |
| publisher | MDPI AG |
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| series | Biology |
| spelling | doaj-art-b26694192e4443c19d28e77cf8b711cc2025-08-20T03:13:39ZengMDPI AGBiology2079-77372025-07-0114782010.3390/biology14070820Effects of <i>Bacillus subtilis</i> and <i>Rhodotorula</i> Yeast Culture on the Growth Performance, Meat Quality, Antioxidant Capacity, and Serum Metabolites in Yellow-Feathered BroilersKe Wang0Xiangtan Su1Xinyu Lu2Guang Yang3Gaowei Zhang4Jiwei Chen5Jiale Sun6Aiqin Gao7College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, ChinaCollege of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, ChinaCollege of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, ChinaCollege of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, ChinaCollege of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, ChinaCollege of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, ChinaCollege of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, ChinaCollege of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, ChinaThis study aimed to investigate the effects of dietary supplementation with <i>Bacillus subtilis</i> (BS) and <i>Rhodotorula</i> yeast culture (RYC) used as feed additives to study their effects on growth performance, meat quality, antioxidant capacity, and serum metabolomics in yellow-feathered broilers. A total of 192 one-day-old healthy yellow-feathered broilers were randomly divided into four treatment groups. The CON group was fed a basal diet, whereas the BS, RYC, and MIX groups were fed diets supplemented with 5 × 10<sup>9</sup> CFU/kg BS, 5000 mg/kg RYC, and a combination of both, respectively. The experimental period comprised 56 days. In the initial stage of growth, compared with the CON group, the body weight and average daily gain of broilers in the BS group were significantly increased (<i>p</i> < 0.05). The BS group increased the activity of CAT and SOD in broilers at 28 days, and the activity of CAT in RYC and MIX group were also significantly increased (<i>p</i> < 0.05). BS could increase GSH-Px activity significantly in broilers at 56 days (<i>p</i> < 0.05). Moreover, in comparison with the CON group, the MIX group decreased shear force and drip loss significantly (<i>p</i> < 0.05). Serum metabolome analysis showed that the addition of BS or RYC alone had the greatest difference in the abundance of D-amino acid metabolism and lysine metabolism, while the combined addition of BS and RYC found that glycerophospholipid metabolism and tryptophan metabolism had the greatest difference. In conclusion, dietary addition of BS and RYC could improve the meat quality of yellow-feathered broilers.https://www.mdpi.com/2079-7737/14/7/820<i>Bacillus subtilis</i><i>Rhodotorula</i> yeast culturemeat qualityserum metabolitesyellow-feathered broilers |
| spellingShingle | Ke Wang Xiangtan Su Xinyu Lu Guang Yang Gaowei Zhang Jiwei Chen Jiale Sun Aiqin Gao Effects of <i>Bacillus subtilis</i> and <i>Rhodotorula</i> Yeast Culture on the Growth Performance, Meat Quality, Antioxidant Capacity, and Serum Metabolites in Yellow-Feathered Broilers Biology <i>Bacillus subtilis</i> <i>Rhodotorula</i> yeast culture meat quality serum metabolites yellow-feathered broilers |
| title | Effects of <i>Bacillus subtilis</i> and <i>Rhodotorula</i> Yeast Culture on the Growth Performance, Meat Quality, Antioxidant Capacity, and Serum Metabolites in Yellow-Feathered Broilers |
| title_full | Effects of <i>Bacillus subtilis</i> and <i>Rhodotorula</i> Yeast Culture on the Growth Performance, Meat Quality, Antioxidant Capacity, and Serum Metabolites in Yellow-Feathered Broilers |
| title_fullStr | Effects of <i>Bacillus subtilis</i> and <i>Rhodotorula</i> Yeast Culture on the Growth Performance, Meat Quality, Antioxidant Capacity, and Serum Metabolites in Yellow-Feathered Broilers |
| title_full_unstemmed | Effects of <i>Bacillus subtilis</i> and <i>Rhodotorula</i> Yeast Culture on the Growth Performance, Meat Quality, Antioxidant Capacity, and Serum Metabolites in Yellow-Feathered Broilers |
| title_short | Effects of <i>Bacillus subtilis</i> and <i>Rhodotorula</i> Yeast Culture on the Growth Performance, Meat Quality, Antioxidant Capacity, and Serum Metabolites in Yellow-Feathered Broilers |
| title_sort | effects of i bacillus subtilis i and i rhodotorula i yeast culture on the growth performance meat quality antioxidant capacity and serum metabolites in yellow feathered broilers |
| topic | <i>Bacillus subtilis</i> <i>Rhodotorula</i> yeast culture meat quality serum metabolites yellow-feathered broilers |
| url | https://www.mdpi.com/2079-7737/14/7/820 |
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