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Table IV.
Prevalence of scrapie infection in relation to the age and genotype of the goats at codon 142 of PrP.
| Scrapie result | Age cohorts (months) and 142 polymorphism |
|||
|---|---|---|---|---|
| < 60 |
> 60 |
|||
| II | IM/MM | II | IM/MM | |
| Positive/tested | 12/21 | 20/42 | 28/59 | 12/78 |
| % | 57.1 | 47.6 | 47.4 | 15.4 |
| Significance* | A | A | A | B |