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Filtering by: Creator Sikkel, Paul C. Advisor Bogart, Ralph Committee Member Frakes, Rod V.

Estimates of combining abilities, heterotic effects and phenotypic correlations among in-bred lines of beef cattle and their line-crosses

Creator:

Humes, Paul Edwin

Abstract:

The investigations were based on a complete diallel cross among three inbred lines of Hereford cattle. Records of Angus calves born during the same period were used to obtain more accurate estimates of environmental effects and to determine breed differences among the various traits included in the study. Estimates of...

Resource Type:

Dissertation

Full Text:

AN ABSTRACT OF THE THESIS OF PAUL EDWIN HUMES for the
Genetic and physiological relationships of growth hormone and growth in goats

Creator:

Simms, Danny Dale

Abstract:

An F₁ population resulting from mating pygmy and normal goats (local commercial breeds) was crossed to give an F₂ population. Analysis of wither height and body weight indicated that the F₂ population was intermediate between the parental types (pygmy and normal) with little overlap of phenotypic values for body size...

Resource Type:

Dissertation