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Filtering by: Subject Beef cattle--Evaluation--Oregon Remove constraint Subject: Beef cattle--Evaluation--Oregon Resource Type Dissertation Remove constraint Resource Type: Dissertation Subject Dietary supplements Remove constraint Subject: Dietary supplements

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  • 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:
    corporation, Quincy, IL; OG) supplementation in growing beef cattle, we designed three studies using

  • 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