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Results of alternate crossing of Polish black and white cattle with Holstein, Friesian and Finnish Ayrshire bulls
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
1982
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2756276/ http://dx.doi.org/10.1186/1297-9686-14-4-585C |