Index Catalog // ScholarsArchive@OSU

Nutritional Management of Beef Cows During Late-Gestation to Enhance Offspring Productivity

Creator:: Marques, Rodrigo Da Silva
Abstract:: Two experiments evaluated nutritional management of late-gestating beef cows to enhance offspring productivity. The objective of experiment 1 was to evaluate the effects of organic and inorganic Cu, Mn, Zn, and Co supplementation to beef cows during late-gestation on performance and physiological responses of the offspring. The objective of experiment...
Resource Type:: Dissertation
Full Text:: finishing diets offered to cattle…………………………………………………………………………………….. 46 3.3. Performance of beef cows

The Effects of a Dietary Immunomodulatory Supplement on the Immune-Metabolic Axis in Growing Beef Cattle

Creator:: Armstrong, Shelby A.
Abstract:: To evaluate the immunologic and metabolic effects of OmniGen-AF® (Phibro Animal Health corporation, Quincy, IL; OG) supplementation in growing beef cattle, we designed three studies using replacement beef heifers (8.5 and 10.5 months of age) and steers supplemented across backgrounding, transition, and finishing periods. In Study 1, the effect of...
Resource Type:: Dissertation
Full Text:: . However, the effects of adding an immunomodulatory supplement to the diet of breeding beef cattle have

Impacts of Stocking Density on Development and Puberty Attainment of Replacement Beef Heifers

Creator:: Schubach, Kelsey M.
Abstract:: The following experiment presented herein compared growth, physical activity, stress-related responses, and puberty attainment in heifers reared on high- (HIDENS) or low-stocking densities (LOWDENS). Sixty Angus x Hereford heifers were ranked by age and BW (210 ± 2 d and 220 ± 2 kg, respectively) on d 0, and assigned...
Resource Type:: Masters Thesis
Full Text:: scrutiny of beef production systems is growing rapidly, and cattle welfare is one of the main targets for

Modifying the Hormone Strategy for Superovulating Donor Cows to Reduce Drug Costs without Decreasing the Number of High Quality Transferable Embryos Recovered

Creator:: Gomes, Maria K.
Abstract:: Two research projects comprise this thesis. The first project investigated modifying the hormone dosing strategy traditionally used in superovulating donor cows for an embryo collection to decrease drug costs without decreasing the number of high quality, transferable embryos recovered. The objective of this project was to evaluate the number and...
Resource Type:: Masters Thesis
Full Text:: ). In Experiment 1, 24 crossbred beef cows from the Oregon State University Beef Cattle Ranch were

Nutritional strategies to improve the reproductive performance of beef females

Creator:: Cappellozza, Bruno Ieda
Abstract:: In the first set of studies, 2 experiments evaluated the influence of supplement composition on ruminal forage disappearance, performance, and physiological responses of Angus × Hereford cattle consuming a low-quality, cool-season forage (8.7 % CP and 57 % TDN). In Exp. 1, 6 rumen-fistulated steers housed in individual pens were...
Resource Type:: Dissertation
Full Text:: = Week 1 CHAPTER 1 INTRODUCTION Beef cattle production in Oregon is mainly constituted by

Creep-feeding to stimulate metabolic imprinting in nursing beef heifers : impacts on heifer growth, reproductive, and physiological parameters

Creator:: De Meireles Reis, Maria
Abstract:: The following experiment presented herein compared growth, physiological, and reproductive responses of beef heifers with (MI) or without (CON) access to a creep-feeder, as a manner to stimulate metabolic imprinting while nursing their dams. On d 0 of the experiment, 60 Angus × Hereford heifers were ranked by initial BW...
Resource Type:: Masters Thesis
Full Text:: (Nussey and Whitehead, 2001). In beef cattle, insulin concentrations are positively associated with

Growth and carcass merit of purebred Jersey steer calves finished on grain-based diets at two different energy levels

Creator:: Tschida, Garrett L.
Abstract:: Purebred Jersey steers are often overlooked for beef production due to the perceived poor growth and production. Currently dairy persons marketing their steer offspring are receiving minimal compensation due to lack of demand by beef feeders and a saturated veal market. Twenty purebred Jersey steers were used to evaluate lifetime...
Resource Type:: Masters Thesis
Full Text:: Health Benefits of Jersey Beef…..… 21 Feasibility of Purebred Jersey Cattle for Beef Production

Influence of supplement composition on utilization of low-quality, cool-season forages by beef cattle

Creator:: McGuire, Dustin L.
Abstract:: Two studies were conducted to evaluate the influence of supplement composition on intake and digestibility of a low-quality (< 6% CP), cool-season forage, as well as cow performance. Treatments included a non-supplemented control (CON), corn (approximately 8% CP), corn and urea (LU = corn + 0.09 mg/kg BW urea, approximately...
Resource Type:: Masters Thesis
Full Text:: constituent of beef cattle diets in Oregon. Protein Supplementation of Low-Quality Forages Cow

Correlation of fecal ergovaline, lolitrem B, and their metabolites in steers fed endophyte infected perennial ryegrass straw

Creator:: Murty, Lia D.
Abstract:: Perennial ryegrass (PRG, Lolium perenne) is a hardy cool-season grass that is infected with the endophytic fungus Neotyphodium lolii, which enables the plant to be insect repellant and drought resistant, lowering the use of insecticides and fertilizers. However, this fungus produces the compound lolitrem B (LB, m/z 686.4) which causes...
Resource Type:: Masters Thesis
Full Text:: Ryegrass Straw by Lia D. Murty A THESIS submitted to Oregon State

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:: RESPONSES OF BEEF CATTLE by BRUNO IEDA CAPPELLOZZA A THESIS submitted to Oregon State

ScholarsArchive@OSU

Nutritional Management of Beef Cows During Late-Gestation to Enhance Offspring Productivity

The Effects of a Dietary Immunomodulatory Supplement on the Immune-Metabolic Axis in Growing Beef Cattle

Impacts of Stocking Density on Development and Puberty Attainment of Replacement Beef Heifers

Modifying the Hormone Strategy for Superovulating Donor Cows to Reduce Drug Costs without Decreasing the Number of High Quality Transferable Embryos Recovered

Nutritional strategies to improve the reproductive performance of beef females

Creep-feeding to stimulate metabolic imprinting in nursing beef heifers : impacts on heifer growth, reproductive, and physiological parameters

Growth and carcass merit of purebred Jersey steer calves finished on grain-based diets at two different energy levels

Influence of supplement composition on utilization of low-quality, cool-season forages by beef cattle

Correlation of fecal ergovaline, lolitrem B, and their metabolites in steers fed endophyte infected perennial ryegrass straw

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

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