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The inheritance of growth and carcass characteristics in sheep

Creator:: Busch, Robert Edward
Resource Type:: Dissertation
Full Text:: . ' ' 7 sane) t a or The Robert La :sheen al; 2 line and year were inst :ificant

Effects of prostaglandin F2alpha on neutrophil populations, uterine health and reproductive performance in dairy cows, Effects of prostaglandin F₂α on neutrophil populations, uterine health and reproductive performance in dairy cows

Creator:: Lulay, Adrienne McCracken
Abstract:: Incidences of uterine infections in dairy cattle are high between parturition and Day 21 postpartum. Dairy cows with uterine infections are at risk for prolonged periods of days open and multiple services before becoming pregnant. Neutrophils are the first wave of immune system defense against uterine contamination. Neutrophil function seems...
Resource Type:: Masters Thesis

The effect of precipitation variation and fertilization level on the nutritive value of wheat residue

Creator:: Carey, Anne C.
Abstract:: Five simulated precipitation patterns characteristic of the Columbia Basin and Plateau region and six fertilization rates were evaluated for their effect on percent crude protein, percent in vitro dry matter digestibility, fiber content, and yield of wheat aftermath on a commercial farm in north central Oregon. The higher moisture regimes...
Resource Type:: Masters Thesis
Full Text:: - bers, Drs. James E. Oldfield, Robert J. Raleigh, and Russel Crisman. Thank you also to Bev Raleigh for

Some techniques for determining fecal output and digestibility of range forage by cattle

Creator:: Pryor, William Joseph
Abstract:: A Cr₂0₃, and cellulose fibre mixture was used with cattle, in three grazing and two semi-restricted experiments, to study the mode of its excretion, the possibility of using it in a once-daily dosing and grab-sample regime to estimate fecal output and in a field experiment to test a hypothesis involving...
Resource Type:: Dissertation
Full Text:: others hand-fed clippings of similar forage and found the former more variable. Balch, Reid and Stroud

Determination of intake and digestibility of pasture forages using conventional and indicator techniques

Creator:: Alpan, Suleyman Orhan
Abstract:: Digestibility experiments were carried out with dairy heifers to determine the digestibility of orchard grass, Dactylis glomerata, and also to evaluate the accuracy of various indicator techniques in pasture digestibility experiments. Chromic oxide was used as an external indicator to predict fecal dry matter output in three digestion trials. Cut...
Resource Type:: Masters Thesis
Full Text:: feces and urine has been found to be par- ticularly difficult with female animals, Balch et al. (3, p

Alternate methods of fattening steers in Eastern Oregon

Creator:: Whittington, David Lynn
Abstract:: Studies were conducted at the Squaw Butte Experiment Station during two consecutive years to : (1) compare various internal indicators and chromic oxide to estimate forage intake and fecal production, (2) compare methods of producing slaughter weight steers using maximum quantities of forage and minimum quantities of grain. Actual fecal...
Resource Type:: Dissertation
Full Text:: also given to Dr. Robert J. Raleigh, Squaw Butte Experiment Station Director, for his help and advice

Early-vegetative meadow hay versus alfalfa hay as a supplement for beef cattle consuming low-quality forages

Creator:: Horney, Marc R.
Resource Type:: Masters Thesis
Full Text:: supplement for beef cattle consuming low-quality forages AN ABSTRACT OF THE THESIS OF Marc Robert Homey

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:: acknowledged. Encouragement and counsel by Dr. Lyle Calvin, Head, Depart- ment of Statistics; Dr. Fredrick

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:: graduate program. The time and advice given by Dr. Lyle Calvin to the statistical analysis of the data

Cellular mechanisms of altered bovine luteal function in response to exogenous gonadotropin-releasing hormone

Creator:: Bertrand, Jennifer Elaine
Abstract:: To determine whether membrane-related events may be involved in attenuated luteal function after gonadotropin-releasing hormone (GnRH) administration, corpora lutea (CL) were removed from 10 beef heifers on day 7 of the estrous cycle after i.v. injection of GnRH or saline on day 2 of the cycle. Luteal slices were incubated...
Resource Type:: Dissertation
Full Text:: . Finally, I want to acknowledge my friends and family. Robert Sargent has been the most wonderful and

ScholarsArchive@OSU

The inheritance of growth and carcass characteristics in sheep

Effects of prostaglandin F2alpha on neutrophil populations, uterine health and reproductive performance in dairy cows, Effects of prostaglandin F₂α on neutrophil populations, uterine health and reproductive performance in dairy cows

The effect of precipitation variation and fertilization level on the nutritive value of wheat residue

Some techniques for determining fecal output and digestibility of range forage by cattle

Determination of intake and digestibility of pasture forages using conventional and indicator techniques

Alternate methods of fattening steers in Eastern Oregon

Early-vegetative meadow hay versus alfalfa hay as a supplement for beef cattle consuming low-quality forages

Some genetic and environmental factors affecting weaning weights of lambs

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

Cellular mechanisms of altered bovine luteal function in response to exogenous gonadotropin-releasing hormone

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