Bibliographic Details
| Title: |
Effects of waste milk feeding on rumen fermentation and bacterial community of pre-weaned and post-weaned dairy calves |
| Authors: |
Xinyue Zhang, Chuanteng Cheng, Jingyi Lv, Haixin Bai, Fang Sun, Chundong Liu, Chunlong Liu, Yonggen Zhang, Hangshu Xin |
| Source: |
Frontiers in Microbiology, Vol 13 (2023) |
| Publisher Information: |
Frontiers Media S.A., 2023. |
| Publication Year: |
2023 |
| Collection: |
LCC:Microbiology |
| Subject Terms: |
rumen fermentation, calf, rumen bacteria, dietary, waste milk, Microbiology, QR1-502 |
| More Details: |
The objective of this study was to investigate the effect of waste milk with antibiotic residue on rumen fermentation and rumen bacterial composition of dairy calves during pre-weaned and post-weaned periods. A total of 24 Holstein male calves (43.4 ± 0.93 kg body weight, mean ± standard error) were allocated into four blocks based on birth date. Dairy calves were supplied 100% milk replacer (MR, n = 8), 50% milk replacer mixed with 50% waste milk (MM, n = 8), or 100% waste milk (WM, n = 8). Ruminal samples were collected at 49 and 63 days of age and then subjected to determinations of pH value, volatile fatty acids (VFA), ammonia nitrogen (NH3–N) and 16S rRNA gene amplicon sequencing. The results showed that feeding WM had no effect on the pH value, the concentrations of VFA (acetic acid, propionic acid, butyric acid, isovaleric acid, valeric acid), and NH3–N in dairy calves compared to feeding MR. However, from 49 to 63 days of age, the pH value (p |
| Document Type: |
article |
| File Description: |
electronic resource |
| Language: |
English |
| ISSN: |
1664-302X |
| Relation: |
https://www.frontiersin.org/articles/10.3389/fmicb.2022.1063523/full; https://doaj.org/toc/1664-302X |
| DOI: |
10.3389/fmicb.2022.1063523 |
| Access URL: |
https://doaj.org/article/232d8f6c0f5f4c59a4beb6839649aefd |
| Accession Number: |
edsdoj.232d8f6c0f5f4c59a4beb6839649aefd |
| Database: |
Directory of Open Access Journals |
