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Estimation of general and specific combining abilities from a diallel cross of three inbred lines of Suffolk sheep

Creator:: Schilling, Prentiss E. (Prentiss Edwin), 1941-
Abstract:: The investigations were based on a complete diallel cross among three inbred lines of Suffolk sheep. Line of sire effects were assumed to be an estimate of general combining ability effects while sire x dam interaction was assumed to be an estimate of specific combining ability. The line of dam...
Resource Type:: Dissertation
Full Text:: Estimation of General and Specific Combining Abilities

Effectiveness of index and elite selection methods

Creator:: Douglass, Larry W.
Abstract:: Mice were used to compare the index and elite selection methods for simultaneous selection of four traits. Selection was for litter size, birth weight, weaning weight and post-weaning gain. Progress was evaluated by examining total phenotypic merit. The standard deviations from the cycle mean for the four traits were summed...
Resource Type:: Dissertation
Full Text:: Effectiveness of index and elite selection methods AN

An analysis of the response to selection for high and low rate of gain in the mouse, Mus musculus

Creator:: Burrill, Melinda Jane
Abstract:: An experiment was conducted to examine the responses to selection for high and low rate of gain in the mouse under a system whereby inbreeding was maximized. Rate of gain was measured by an index designed to include gains in both the pre- and postweaning periods with the gains in...
Resource Type:: Dissertation
Full Text:: An analysis of the response to selection for high and low

Genetics of sheep transferrins as determined by disc electrophoresis

Creator:: Nix, Carroll Eugene
Abstract:: A total of 902 plasma samples from the Rambouillet, Targhee, Columbia, Lincoln, and Suffolk breeds of sheep were analyzed for transferrin type by disc electrophoresis. Six transferrin types, Tf[superscript A], Tf[superscript B], Tf[superscript C], Tf[superscript p], Tf[superscript E], and Tf[superscript P], were found in the Rambouillet, Targhee, and Columbia breeds...
Resource Type:: Dissertation
Full Text:: Redacted for Privacy A total of 902 plasma samples from the Rambouillet, Targhee, Columbia, Lincoln, and

The relationship between x-ray induced teratogeny and chromosome aberrations in golden hamster embryos

Creator:: Jones, William Elvin
Abstract:: The relationship between x-ray induced chromosome aberrations and x-ray induced embryonic abnormalities was studied. Golden hamsters were irradiated during four stages of gestation: the blastocyst stage, 4.5 days post-copulation; the primitive streak stage, 6.5 days post-copulation; the organogenesis stage, 9.5 days post-copulation; and the period of fetal growth, 11.5 days...
Resource Type:: Dissertation
Full Text:: , 6.5 days post-copulation; the organogenesis stage, 9.5 days post-copula- tion; and the period of

Brain acetylcholinesterase activity at intervals after head irradiation in the rabbit

Creator:: Geel, Stanley Ernest
Resource Type:: Masters Thesis
Full Text:: , G. A. and R. C. Hawes. Cholinesterases in the blood of man. Journal of Biological Chemistry 133:375

Genetic and environmental factors influencing appetite in beef cattle and the relation of appetite to rate and efficiency of gain

Creator:: England, Noah Clinton
Resource Type:: Dissertation
Full Text:: ATTLE AND THE RELuT I ON OF APPETITE TO RATE AND EFFICIENCY OF GAIN by NOAH CLLT EGLAND A THIS

Nitrogenous constituents in the blood of four lines of calves

Creator:: Ampy, Franklin Roosevelt
Resource Type:: Dissertation
Full Text:: of Calves Abstract approved ( . r Professor' Certain nitrogenous blood components and production

Ova tranfers in sheep and rabbits : studies on material influences and irradiation damage

Creator:: Hunt, William Lynn
Abstract:: The first study utilized ova transfer in sheep and involved hormonal treatments for synchronization of estrus and superovulation in an investigation of crossbred maternal influences on inbred and linecross lambs. Synchronization of estrus in ewes was achieved effectively with either oral progestogen, 6 α-methyl-17α-hydroxy-progesterone acetate (60 mg./ewe/day), or intramuscular injections...
Resource Type:: Dissertation
Full Text:: sheep and involved horrnonal treatrnents for synchronization of estrus and superovulation in an

A comparison of metabolism of rapidly and slowly gaining beef cattle

Creator:: MacDonald, Malcolm Allan
Resource Type:: Dissertation
Full Text:: A comparison of metabolism of rapidly and slowly gaining

ScholarsArchive@OSU

Estimation of general and specific combining abilities from a diallel cross of three inbred lines of Suffolk sheep

Effectiveness of index and elite selection methods

An analysis of the response to selection for high and low rate of gain in the mouse, Mus musculus

Genetics of sheep transferrins as determined by disc electrophoresis

The relationship between x-ray induced teratogeny and chromosome aberrations in golden hamster embryos

Brain acetylcholinesterase activity at intervals after head irradiation in the rabbit

Genetic and environmental factors influencing appetite in beef cattle and the relation of appetite to rate and efficiency of gain

Nitrogenous constituents in the blood of four lines of calves

Ova tranfers in sheep and rabbits : studies on material influences and irradiation damage

A comparison of metabolism of rapidly and slowly gaining beef cattle

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