Index Catalog // ScholarsArchive@OSU

Nutrition and management of the beef unit for production of slaughter animals on range and improved pastures in southeastern Oregon

Creator:: Daugherty, Dennis A.
Abstract:: Studies were conducted over a two year period to evaluate alternative finishing methods for spring and fall-born beef cattle. Management alternatives from birth to slaughter included season of calving, lactating cow nutrition, preweaning calf nutrition, weaning age, calf and yearling winter nutrition, range and irrigated pasture supplementation, grazing practice, range...
Resource Type:: Dissertation
Full Text:: Nutrition and management of the beef unit for production of

Scrotal circumference measurements as an indicator of growth in the male beef animal

Creator:: Pirelli, Gene J.
Abstract:: Testes size as an indicator of future growth was examined in a total of 45 bull calves from spring calves born in 1978 and 1979. Scrotal circumference measurements were used as the physical indicator of testicle size in the live animal. Growth traits studied were preweaning average daily gain, weaning...
Resource Type:: Masters Thesis
Full Text:: value in predicting future performance in male beef cattle and can be used as a management tool or

Computer simulation of beef cattle production systems in the Llanos of Columbia

Creator:: Levine, Joel Martin
Abstract:: A simulation model capable of execution on a programmable calculator was developed to study voluntary intake, liveweight change, and fertility of grade Zebu cows in the Llanos of Colombia. Organic nitrogen in the diet and meta bolic weight were used to predict intake; age, liveweight, and energy concentration were the...
Resource Type:: Dissertation
Full Text:: Philosophy in Animal Science presented on February 8, 1979 Title: Computer Simulation of Beef Cattle

Effects of two forms of intrareticular selenium supplements on beef cow selenium status and on the transfer of selenium from dam to offspring

Creator:: Campbell, Donald T.
Abstract:: Two concurrent studies were conducted to evaluate the effect of selenium (Se) supplementation on beef cows. Trial 1 was designed to evaluate the safety and efficacy of two intrareticular Se supplementation delivery systems. Trial 2 was designed to evaluate the transfer of Se across the placenta and through the colostrum...
Resource Type:: Masters Thesis
Full Text:: practical for beef cattle producers to manage the health and nutrition of their herds. The research

Effect of Zinc, Copper and Selenium supplementation on the humoral immune response of weaned beef steers

Creator:: Dill, Thomas O.
Abstract:: Two studies were conducted to determine the effects of zinc (Zn), copper (Cu) and/or selenium (Se) on the humoral immune response of weaned steers fed diets deficient in these minerals. Steers were bled weekly for eight weeks to measure plasma mineral levels. Humoral immune response was measured as antibody response...
Resource Type:: Dissertation
Full Text:: ). The effects of Se and Vitamin E have also been studied in beef cattle (Byers and Moxon, 1979; Swecker

Utilization of lipid by primiparous beef heifers during the postpartum period

Creator:: Filley, Shelby Jean
Resource Type:: Dissertation
Full Text:: supplemental lipid administered to primiparous beef heifers increased plasma linoleic acid and PGFM in the

Analysis of two alternative management systems for the production of fall born beef calves in western Oregon

Creator:: Rosecrans, John Gerald
Abstract:: Two management systems were evaluated in terms of the effects on calf growth, on calf weight produced per cow per year, and on reproductive performance of fall calving cows. The alternative management systems tested were twin foster calf production and, delayed weaning, production of single suckled calves weaned at the...
Resource Type:: Masters Thesis
Full Text:: DISCUSSION 57 Fall Calving Management 57 Calf Nutrition and Growth 58 PROPOSED RESEARCH 62 The Effect of

Effects of camelina meal supplementation on ruminal forage degradability, performance, and physiological responses of beef cattle

Creator:: Cappellozza, Bruno Ieda
Abstract:: Three experiments compared ruminal, physiological, and performance responses of beef steers consuming hay ad libitum and receiving grain-based supplements with (CAM) or without (CO) inclusion of camelina meal. In Exp. 1, 9 steers fitted with ruminal cannulas received CAM (2.04 kg of DM/d) or CO (2.20 kg of DM/d). Steers...
Resource Type:: Masters Thesis
Full Text:: potentially promote cattle welfare and productivity in beef operations

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:: times daily and by Wheeler (1962) who fed it as a powder in cottonseed meal to beef cat- tle. Chromic

Nutritional and managerial considerations for wintering beef cattle in the northern Great Basin

Creator:: Brandyberry, Steven D.
Abstract:: A study was conducted to determine effects of year and season on diet quality of beef cattle grazing northern Great Basin rangelands from 1990 to 1993. Forage quality was high early in the growing season, then declined as seasons progressed (P<.05). Plant chemical composition was higher early in the growing...
Resource Type:: Dissertation
Full Text:: , environmental and management characteristics related to beef cattle production in the northern Great Basin

ScholarsArchive@OSU

Nutrition and management of the beef unit for production of slaughter animals on range and improved pastures in southeastern Oregon

Scrotal circumference measurements as an indicator of growth in the male beef animal

Computer simulation of beef cattle production systems in the Llanos of Columbia

Effects of two forms of intrareticular selenium supplements on beef cow selenium status and on the transfer of selenium from dam to offspring

Effect of Zinc, Copper and Selenium supplementation on the humoral immune response of weaned beef steers

Utilization of lipid by primiparous beef heifers during the postpartum period

Analysis of two alternative management systems for the production of fall born beef calves in western Oregon

Effects of camelina meal supplementation on ruminal forage degradability, performance, and physiological responses of beef cattle

Alternate methods of fattening steers in Eastern Oregon

Nutritional and managerial considerations for wintering beef cattle in the northern Great Basin

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