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Comfrey (Symphytum spp.) as a feed supplement in pig nutrition contributes to regional resource cycles
In smallholder agriculture, the fast-growing and perennial accumulator plant comfrey (Symphytum spp.) was used to supply pigs with protein and minerals. Comfrey leaves show similar values in dry matter as soybean or blue lupine in crude protein content, but much higher levels of calcium and phosphor...
| Autores principales: | , , , , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Elsevier
2021
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8463835/ https://www.ncbi.nlm.nih.gov/pubmed/34273829 http://dx.doi.org/10.1016/j.scitotenv.2021.148988 |