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THE MATERNAL TRANSMISSION OF VACCINIAL IMMUNITY IN SWINE : II. THE DURATION OF ACTIVE IMMUNITY IN THE SOW AND OF PASSIVE IMMUNITY IN THE YOUNG
The protective substances produced by vaccinia virus in swine are transmitted repeatedly to the young by way of the colostrum of the sow. In 2 instances suckling immunity was demonstrable in the young of 6 successive farrowings which numbered 37 and 57 individuals, respectively. The immunity acquire...
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| Formato: | Texto |
| Lenguaje: | English |
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The Rockefeller University Press
1934
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2132421/ https://www.ncbi.nlm.nih.gov/pubmed/19870300 |