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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:: pasture during the summer and fed in drylot during the winter. Thus, a total of four groups were in

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:: who made a contribution to this study in many different ways: To Dr. J. E. Oldfield, Head of the

Response of scorbutic guinea pigs to ascorbic acid and adrenocorticotropic hormone (ACTH)

Creator:: Riker, Joseph Thaddeus III
Abstract:: Thirty-six female guinea pigs were placed on a scorbutogenic diet for 14 days and then divided into groups of four. Three groups received adrenocorticotropic hormone (ACTH) with each group given 10, 20, or 40 units. Three groups each received 50 mg of ascorbic acid and three groups received 50 mg...
Resource Type:: Masters Thesis
Full Text:: 27 t2006-Z0LA. 1933. Hyrnan, G. A. , C. Ragan and J. C. Turner. Effect of r-?- cortisone and

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:: calves were weaned and feed-tested on a constant- weight basis. Male calves were feed-tested from 450 to

Genetic and physiological factors associated with gonadotropic and thyrotropic hormone content of sheep pituitaries

Creator:: Plotka, Edward Dennis
Abstract:: Data were taken from 47 animals consisting of five breeds: Border Cheviot, Columbia, Dorset Horn, Suffolk, and Willamette. Both sexes were represented in each breed, although in unequal numbers. The pituitaries were assayed for gonadotropic and thyrotropic hormone content by injecting a suspension of the macerated gland in saline into...
Resource Type:: Masters Thesis
Full Text:: hormone content by inject- ing a suspension of the macerated gland in saline into one -day old chicks

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:: higher than those on the dam side as a consequence of greater selection intensity through the sires

Relationship of certain blood nitrogen constituents with growth in different genetic groups of sheep

Creator:: Yodseranee, Somchit
Abstract:: Market lamb production usually requires a short period of time. The success of production is therefore dependent upon the growth rate of the lambs which is influenced by milk yields of the ewes. Different growth potentials of animals result from a difference in their utilisation of food. Since metabolism affects...
Resource Type:: Masters Thesis
Full Text:: Journal of Physiology 137: Frame, E. G., J. A. Russell and Alfred E. Wilhelm'. The colorimetric

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:: lambs were slaughtered and a sample of each carcass was cooked and submitted to a taste panel to

Certain genetic and maternal environmental influences on growth rate and body composition of lambs

Creator:: Addleman, Albert Duane
Abstract:: The present study was designed to investigate the relationship of milk production and milk quality to growth rate and certain organ-oleptic measurements of lambs of mutton breeds, Nine mature ewes in their fourth lactation of the Border Cheviot, Dorset Horn, Columbia, Suffolk, and Willamette breeds were acquired making a total...
Resource Type:: Dissertation
Full Text:: , Dorset Horn, Colurnbia, Suffolk, and Willarnette breeds were acquired rnaking a total of. 45 ewes. An

Nonprotein nitrogenous constituents of the blood in relation to rumen development and growth in suckling lambs

Creator:: Jessup, Gordon Lee
Resource Type:: Dissertation
Full Text:: RELATION TO RUMEN DEVELOPMENT AND GROWTH IN SUCKLING LAMBS by GORDON LEE JESSUP, JR. A THESIS

ScholarsArchive@OSU

Some genetic and environmental factors affecting weaning weights of lambs

Electrocardiograms and related variables of dwarf beef cattle

Response of scorbutic guinea pigs to ascorbic acid and adrenocorticotropic hormone (ACTH)

Performance of three inbred lines of Herford cattle and their linecrosses

Genetic and physiological factors associated with gonadotropic and thyrotropic hormone content of sheep pituitaries

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

Relationship of certain blood nitrogen constituents with growth in different genetic groups of sheep

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

Certain genetic and maternal environmental influences on growth rate and body composition of lambs

Nonprotein nitrogenous constituents of the blood in relation to rumen development and growth in suckling lambs

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