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Filtering by: Subject Beef cattle--Breeding--Oregon Committee Member Bohnert, David

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
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
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