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Twinning in Holstein-Friesian Dairy Cows: Proportion Carried to Term and Calf Sex Ratios
The purpose of this study was to investigate the proportion of twins carried to term and the sex ratio of twin calves at birth in Holstein-Friesian dairy cattle kept on commercial farms in Devon and Cornwall, England. Ten farms were used in the study. Fifty four cows with twin pregnancies were ident...
Autores principales: | Cockcroft, Peter D., Sorrell, Emma J. |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2015
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5644638/ https://www.ncbi.nlm.nih.gov/pubmed/29061937 http://dx.doi.org/10.3390/vetsci2030131 |
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