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Some genetic and environmental factors affecting weaning weights of lambs

Creator:: Dahmen, J. J. (Jerome John), 1919-
Abstract:: Eight purebred rams (four Suffolk and four Panama) previously selected as high and low on the basis of post-weaning performance feed test of 84 days were used each of three years. Each of the rams was mated to approximately 25 grade Panama ewes each year. One ram and 25 ewes...
Resource Type:: Dissertation
Full Text:: weights of lambs AN ABSTRACT OF THE THESIS OF Jerome John Dahmen for the Ph. D. in Genetics (Name

Effect of certain blood enzymes and cellular constituents on growth in different genetic groups of sheep

Creator:: Hutto, Daniel C.
Abstract:: In the present study, five breeds of ewes and their lambs were utilized. The breeds used were: Border Cheviot, Dorset Horn, Columbia, Suffolk and Willamette. In all, 31 ewes and 42 lambs were involved. The blood constituents which were determined for the ewes and lambs were: acid and alkaline phosphatase,...
Resource Type:: Dissertation
Full Text:: advice and encour- agement. A special thanks is expressed to Dr. Duane Addleman, John F. Kennedy

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:: will cause concern to the owner. Alexander and Bogart (1) showed that inbreeding of calf had a

Hematological study of genetically different lines of growing beef cattle

Creator:: Bhannasiri, Tim
Resource Type:: Dissertation
Full Text:: . Arscott, Dr. Graham I. Alexander, Dr. Robert W. Mason, arid Dr. Samuel W. Sabin for their advice

Performance of three inbred lines of Herford cattle and their linecrosses

Creator:: Munji, Marcus Tebid
Abstract:: Three inbred and relatively unrelated lines of Hereford cattle (1. Lionheart, 2. Prince, and 3. David) developed at the Corvallis branch of the Oregon Agricultural Experiment Station as part of the W-1 project of the Western States were crossed annually from 1963 through 1965 inclusive. Data on 137 inbred and...
Resource Type:: Masters Thesis
Full Text:: being more affected than female calves. Alexander and Bogart (1961), on the other hand, found no

Genetic parameters of the house fly (Musca domestica Linn.)

Creator:: Konanta, Sugsanguan
Abstract:: Eight strains of housefly, Musca domestica Linn., from two laboratories were intercrossed to form a stock population. Virgin males and females from the stock were collected, and nine sets, each consisting of twelve males mated to five females, were successively done. Pupae weight, adult weight, emergence time and egg production...
Resource Type:: Masters Thesis
Full Text:: 2 -3 days old were re- ported by Alexander, Barker, and Babers (1958). The females of

Some genetic and environmental factors influencing the weaning weights of southwestern range cattle

Creator:: Pahnish, O. F. (Otto Floyd), 1920-
Resource Type:: Dissertation
Full Text:: . Recently, Burns and Alexander (7, p •. l45) determined that Hereford calves, born during November in

Response of genetically different groups of sheep to hill pasture conditions

Creator:: Johnston, Elbert Felton
Resource Type:: Dissertation
Full Text:: somewhat voluminous and for that reason few papers will be cited bere. John Hammond (36, p,?09) no

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

Some genetic and environmental factors associated with performance and carcass traits of beef cattle

Creator:: Hoornbeek, Frank K. (Frank Kent), 1928-
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Some genetic and environmental factors affecting weaning weights of lambs

Effect of certain blood enzymes and cellular constituents on growth in different genetic groups of sheep

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

Hematological study of genetically different lines of growing beef cattle

Performance of three inbred lines of Herford cattle and their linecrosses

Genetic parameters of the house fly (Musca domestica Linn.)

Some genetic and environmental factors influencing the weaning weights of southwestern range cattle

Response of genetically different groups of sheep to hill pasture conditions

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

Some genetic and environmental factors associated with performance and carcass traits of beef cattle

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