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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:: means by sex of calf for preweaning gain of David calves. 56 57 58 59 60 61 62 - - - - ,R

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:: members Dr, Rod V. Frakes, Fredrick L. Hisaw, Jr. and W. R. Furtick for the time and competent 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:: . David) developed at the Corvallis branch of the Oregon Agricultural Experiment Station as part of the

Gonadotropins in pituitaries of inbred and linecross beef bulls and effects of irradiation of mammalian pituitary glands on their ability to induce in vitro ovulation of frog ovaries

Creator:: North, Warren Arthur
Abstract:: There were two studies involved in the thesis research. In the first study, variation in the amount of adenohypophysis gonadotropins among 22 individual beef bulls were investigated. These bulls represented four inbred lines, and six linecrosses. The bulls were raised in the Oregon State University purebred herd. The bulls were...
Resource Type:: Dissertation
Full Text:: when the pituitary- treated mice were compared with control mice, r% ¿/ ? / /,ñ /9 When the

Electrocardiograms and related variables of dwarf beef cattle

Creator:: Pinjani, Moti, 1939-
Abstract:: Electrocardiograms from 12 compressed male (CM), 16 compressed female (CF), ten synthetic compressed female (SCF), nine brachycephalic female (BF), and 15 dolichocephalic female (DF) dwarfs from Davis, California, taken in the scapular lead S-II (prescapular position positive and right forelimb negative) were analyzed, The data on dwarf electrocardiograms were compared...
Resource Type:: Dissertation
Full Text:: and Manning at Corvallis, Oregon. The average R-R, P--R, Q-T, and T-Q intervals, and the QRS

The serum phosphatases of beef cattle as indices for rate and economy of gains

Creator:: Alexander, Graham Irving
Resource Type:: Masters Thesis
Full Text:: pounds per day faster than the Prince females and the David males gained 0.69 pounds per day faster

Chemical and cellular constituents in the blood of genetically different lines of growing beef cattle

Creator:: Price, Donald Austin
Resource Type:: Dissertation
Full Text:: females 42 6. David males versus David females 43 B. Comparisons Between Breeds • • • 44 1. Hereford

The relationship between serum proteins and growth in beef calves

Creator:: Ampy, Franklin Roosevelt
Resource Type:: Masters Thesis
Full Text:: Calves THE RELATIONSHIP BETWEEN SERUM PROTEINS AND GROWTH IN BEEP CALVES bJ PRANltLIB ROOSEVEL'.r

Hematological study of genetically different lines of growing beef cattle

Creator:: Bhannasiri, Tim
Resource Type:: Dissertation
Full Text:: tendered to Dr. Roger G. Petersen and Dr. Jerome C R. Li, Professor and Chairman of the Department of

The relation of the serum phosphatases to growth of genetically different groups of beef cattle

Creator:: Alexander, Graham Irving
Resource Type:: Dissertation
Full Text:: certain laboratory facilities necessary for carrying out tíiis investigation and to i)octor R. G

ScholarsArchive@OSU

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

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

Performance of three inbred lines of Herford cattle and their linecrosses

Gonadotropins in pituitaries of inbred and linecross beef bulls and effects of irradiation of mammalian pituitary glands on their ability to induce in vitro ovulation of frog ovaries

Electrocardiograms and related variables of dwarf beef cattle

The serum phosphatases of beef cattle as indices for rate and economy of gains

Chemical and cellular constituents in the blood of genetically different lines of growing beef cattle

The relationship between serum proteins and growth in beef calves

Hematological study of genetically different lines of growing beef cattle

The relation of the serum phosphatases to growth of genetically different groups of beef cattle

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