Feed efficiency in swine following paternal x-irradiation

Mullaney, P.D.; Cox, D.F.

Mutation Research 11(3): 350-352

1971


ISSN/ISBN: 0027-5107
PMID: 5105314
Document Number: 35861
Comparisons were made between Hampshire and Duroc litters whose sires, maternal grandsires, or both, had been exposed to 300 R of X-irradiation of the testes at the spermatogonial stage. Pooled results, averaged over breeds and maternal grandsire treatments, showed that food utilisation efficiency (kg weight gain/kg food consumed) of spring and autumn litters was 0.002 and 0.004 resp. less than for litters from non-irradiated sires. Hampshires were more affected than Durocs.

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