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Filtering by: Alternative title ssim Report no. 2241 Contributor advisor sim Bogart, Ralph Subject Cattle -- Feeding and feeds

Effectiveness of selection for gains in body weight in beef cattle

Creator:

Hitchcock, Glen Henry

Abstract:

Research has yielded valuable information about the inheritance of body weight in many mammals. The results with one species may not be directly applicable to another species, but since the results do not contradict genetic theory, one must assume that the same general rules apply to all species. When the...

Resource Type:

Masters Thesis

Full Text:

report by Tyler et al. ( 46, p.516 ). Woodward and Clark ( 48, pp.588-592 ) found that sires had a
Some genetic and environmental factors affecting "net efficiency" of beef cattle

Creator:

Nelms, George Estes, 1927-2011

Resource Type:

Masters Thesis

Full Text:

restrictions. No new genes can be created by selection, so the effectiveness of his selections depend upon
A comparison of metabolism of rapidly and slowly gaining beef cattle

Creator:

MacDonald, Malcolm Allan

Resource Type:

Dissertation

Full Text:

been some- what disappointing, especially since no clean-cut polygenic systems have been demonstrated
Relation of rate of gain to feed efficiency in beef cattle

Creator:

Blackwell, Robert Leighton

Resource Type:

Masters Thesis

Full Text:

selection for efficiency based on rate of gain might yield little or no results. The present study is