Recent Submissions

  • Use of High-Concentrate or High-Forage Diets for Transition Dairy Cows 

    Grummer, Ric R. (Virginia Tech. Department of Dairy Science, 2017-02-16)
    The objective of this presentation, which was given on February 16th during the 71st Annual Convention : 2017 Virginia State Feed Association & Nutritional Management “Cow” College, was to provide a historical review of ...
  • Choosing the Right Liquid Feed for Your Calves 

    Yohe, Taylor (Virginia Tech. Department of Dairy Science, 2017-02-16)
    The primary messages of this presentation are that there are any good options for liquid diets to feed calves. One should stay away from unpasteurized waste milk! Pasteurized waste milk is a decent option, and it is, at ...
  • Dairy Science Research at Virginia Tech 

    Ferreira, Gonzalo (Virginia Tech. Department of Dairy Science, 2017-02-16)
    VT Dairy Complex - Research Summary: • 3 intensive metabolic trials - 4 feeding trials - 2 in vitro digestibility trials - 3 rumen development trials - 2 animal behavior and welfare trials - 2 antibiotic resistance trials ...
  • Mycotoxins Management in Beef Cattle and Dairy: How to Control and Manage Them 

    Asher, Randy (Virginia Tech. Department of Dairy Science, 2017-02-16)
    This presentation, which was given on February 16th during the 71st Annual Convention : 2017 Virginia State Feed Association & Nutritional Management “Cow” College, covered the following topics: • Do we have a mycotoxin ...
  • The Road Ahead--Smooth or Rough? 

    Olney, Todd (Virginia Tech. Department of Dairy Science, 2017-02-15)
    The topics of this presentation, which was given on February 15th during the 71st Annual Convention : 2017 Virginia State Feed Association & Nutritional Management “Cow” College, include driver recruitment and retention, ...
  • First Fresheners: Getting Your Dairy Employees Off to a Good Start 

    O'Rourke, Melissa (Virginia Tech. Department of Dairy Science, 2017-02-15)
    The topics of this presentation, which was given on February 15th during the 71st Annual Convention : 2017 Virginia State Feed Association & Nutritional Management “Cow” College, include the importance of job analysis and ...
  • An Update on Protein and Amino Acid Nutrition 

    Hanigan, Mark D.; White, Robin R.; Arriola Apelo, Sebastian I.; Aguilar, Michelle; Castro, Juan; Estes, Kari; Myers, Adelyn; Feng, Xin (Virginia Tech. Department of Dairy Science, 2017-02-16)
    Summary - AA are very, very important! - Representation of effects is complicated - Multiple AA - Energy - Hormones - Integrated response - Nyet on the barrel with broken staves - Can’t be done by guess and by golly - ...
  • Milk Price Recovery or Not: Feeding and Management Strategies Facing Different Scenarios 

    St-Pierre, Normand (Virginia Tech. Department of Dairy Science, 2017-02-16)
    This presentation, which was given on February 16th during the 71st Annual Convention : 2017 Virginia State Feed Association & Nutritional Management “Cow” College, discusses big practices affecting milk prices, yearly ...
  • Milk Fatty Acid Composition to Support Management of Feeding, Health and Reproduction in Dairy Cows 

    Barbano, Dave; Mellili, Caterina (Virginia Tech. Department of Dairy Science, 2017-02-16)
    This presentation, which was given on February 16th during the 71st Annual Convention : 2017 Virginia State Feed Association & Nutritional Management “Cow” College, discusses the current status of precision management milk ...
  • Management Techniques to Improve Silage Quality 

    Muck, Rich (Virginia Tech. Department of Dairy Science, 2017-02-16)
    This presentation, which was given on February 16th during the 71st Annual Convention : 2017 Virginia State Feed Association & Nutritional Management “Cow” College, describes management techniques to improve silage quality, ...
  • Hay-based Diets for Horses: Matching Horse Type to Hay Type 

    Suagee-Bedore, Jessica (Virginia Tech. Department of Dairy Science, 2017-02-15)
    The topics of this presentation, which was given on February 15th during the 71st Annual Convention : 2017 Virginia State Feed Association & Nutritional Management “Cow” College, include horse biology and diversity within ...
  • Mid-Atlantic Secure Milk Supply 

    Paulson, Eric (Virginia Tech. Department of Dairy Science, 2017-02-15)
    This presentation, which was given on February 15th during the 71st Annual Convention : 2017 Virginia State Feed Association & Nutritional Management “Cow” College, covers the following topics: FMD = National animal health ...
  • Veterinary Feed Directive: Welcome to 2017 

    Mills, Angela (Virginia Tech. Department of Dairy Science, 2017-02-15)
    The regulatory environment changed January 1, 2017 for producers who wish to continue to use certain antibiotics in feed & water for animals. - Education is key to understanding the rules and how to maintain compliance. - ...
  • Program : 71st Annual Convention : 2017 Virginia State Feed Association & Nutritional Management “Cow” College 

    Virginia Tech. Department of Dairy Science (Virginia Tech. Department of Dairy Science, 2017-02)
    This document is the program - which contains a list of presenters, the titles of their presentations, and the times of these presentations - for the 71st Annual Convention of the 2017 Virginia State Feed Association ...
  • Increasing the Demand & Consumption of Turkey 

    Cooper, Gary (Virginia Tech. Department of Dairy Science, 2017-02-15)
    This presentation describes the Cooper Farms agricultural corporation, specifically its employees, company statistics, types of foods processed, locations of processing plants, pasteurization and gestation programs, and more.
  • Development and Validation of a UPLC-MS/MS Method to Monitor Cephapirin Excretion in Dairy Cows following Intramammary Infusion 

    Ray, Partha; Knowlton, Katharine F.; Shang, Chao; Xia, Kang (Public Library of Science, 2014-11-06)
    Cephapirin, a cephalosporin antibiotic, is used by the majority of dairy farms in the US. Fecal and urinary excretion of cephapirin could introduce this compound into the environment when manure is land applied as fertilizer, ...
  • Estimation of additive, dominance and epistatic variance components using finite locus models implemented with a single-site Gibbs and a descent graph sampler 

    Du, F. X.; Hoeschele, I. (Cambridge University Press, 2000-10)
    In a previous contribution, we implemented a finite locus model (FLM) for estimating additive and dominance genetic variances via a Bayesian method and a single-site Gibbs sampler. We observed a dependency of dominance ...
  • Effects of dietary cis 9, trans 11-18 : 2, trans 10, cis 12-18 : 2 or vaccenic acid (trans 11-18 : 1) during lactation on body composition, tissue fatty acid profiles, and litter growth in mice 

    Loor, J. J.; Lin, X. B.; Herbein, J. H. (Cambridge University Press, 2003-12)
    Cis 9, trans 11 (c9, t11)-18:2 and trans 10, cis 12 (t10, c12)-18:2 are the major conjugated linoleic acid (CLA) isomers in dietary supplements which reduce milk fat content in nursing women. The present study evaluated ...
  • Dietary phosphorus effects on characteristics of mechanically separated dairy manure 

    Knowlton, K. F.; Love, N. G.; Parsons, C. A. (American Society of Agricultural and Biological Engineers, 2005)
    One approach to reduce nutrient losses from livestock farms is to apply biological waste treatment systems such as biological nitrogen (N) removal or enhanced biological phosphorus (P) removal (EBPR) to reduce the nutrient ...
  • Sorption of estrogen to three agricultural soils from Virginia, USA 

    Kozarek, J. L.; Wolfe, M. L.; Love, N. G.; Knowlton, K. F. (American Society of Agricultural and Biological Engineers, 2008)
    Land-applied manures and grazing livestock are sources of estrogens to the environment. Natural steroid estrogens such as 17 beta-estradiol (E2) in low concentrations (ng L(-1)) can adversely affect the reproductive health ...

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