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Filtering by: Creator Wanser, Shelby H. Academic Affiliation Animal Sciences Advisor England, D. C.

Evaluation of responses to selection and association among specific traits in three populations of swine

Creator:

Smith, Edward J. M. S.

Abstract:

Oregon State University swine herd records of 456 litters farrowed between 1962-73 in three populations were analyzed on a generation basis to compare changes in performance of a Composite population to parental Berkshire and Yorkshire breeds. Analysis was performed in six discrete and overlapping generations on backfat thickness, loin eye...

Resource Type:

Masters Thesis

Full Text:

parity effect. Fi is the effect of the ith farrowing season (i=fall, spring). is the effect of i t h