Index Catalog // ScholarsArchive@OSU

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:: WILLIAM LYNN HUNT (N;;.iI AN ABSTRACT OF THE THESIS OF for

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:: , Colorado, who performed the iaJor portion of the statistical aral'ais. Thanks are also due to Dr. David

The effect of levels of inbreeding of dam and offspring upon performance of purebred suffolk lambs

Creator:: England, Noah Clinton
Resource Type:: Masters Thesis
Full Text:: Animal Science 10:1164. 1959, 2. Canada. Dept. of Agriculture. Experimental Farm, Manyberries, Alberta

Effectiveness of selection for productive characteristics in developing the Montana no. I hogs

Creator:: McEwen, Wesley Charles
Abstract:: One of the most important productive characteristics of hogs is reproductive efficiency. Reproductive efficiency is best measured by litter size at weaning. Litter size at birth and weight of the pigs at birth are among the most important factors affecting litter size at weaning. It has been demonstrated that less...
Resource Type:: Masters Thesis
Full Text:: Agricultural Experiment Station and the Bureau of Animal Industry, United States Department of Agriculture

Selection applied, response of traits and combining abilities of inbred lines of beef cattle

Creator:: Hoornbeek, Frank K. (Frank Kent), 1928-
Abstract:: The investigations reported are based on two studies; the first is concerned with the selection practiced for performance in one inbred Angus and three inbred Hereford lines of cattle, the realized responses, levels of inbreeding and associated performance, and heritabilities of the performance traits. Selection differentials for all performance traits...
Resource Type:: Dissertation
Full Text:: Selection applied, response of traits and combining

The effect of antibiotics on semen production

Creator:: Bhannasiri, Tim
Resource Type:: Masters Thesis
Full Text:: . Government Printing Office , 1940. 6Sp . (u.s . Dept. of Agriculture . Circular no . 567) Lawrence , J . M

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

Response of genetically different groups of sheep to hill pasture conditions

Creator:: Johnston, Elbert Felton
Resource Type:: Dissertation
Full Text:: Response of Genetically Different Groups of Sheep to Hill

Hormonal stimulation of breeding activity in different genetic groups of ewe lambs

Creator:: West, Dennis Errol, 1942-
Abstract:: An investigation of the effects of exogenous gonadotropic treatments on fertility of various genetic groups of ewe lambs were run over a six-year period. Since hormonal treatments varied and the experimental animals were different from one breeding season to the next, each year comprised a separate study. Hormone treatment included...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF DENNIS ERROL WEST for the

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

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

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

The effect of levels of inbreeding of dam and offspring upon performance of purebred suffolk lambs

Effectiveness of selection for productive characteristics in developing the Montana no. I hogs

Selection applied, response of traits and combining abilities of inbred lines of beef cattle

The effect of antibiotics on semen production

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

Response of genetically different groups of sheep to hill pasture conditions

Hormonal stimulation of breeding activity in different genetic groups of ewe lambs

A comparison of metabolism of rapidly and slowly gaining beef cattle

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