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    Quality of forage stockpiled in Wisconsin

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    Author
    Hedtcke, J. L.
    Undersander, D. J.
    Casler, M. D.
    Combs, D. K.
    Issue Date
    2002-01-01
    Keywords
    stock piling
    frost
    feed requirements
    Phalaris arundinacea
    Phleum pratense
    Wisconsin
    Elytrigia repens
    harvest date
    Bromus inermis
    Dactylis glomerata
    Festuca arundinacea
    sown grasslands
    fiber content
    nitrogen fertilizers
    winter
    crude protein
    cattle
    in vitro digestibility
    application rates
    grazing
    forage
    stock piling
    forage quality
    winter grazing
    cool-season grasses
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    Citation
    Hedtcke, J. L., Undersander, D. J., Casler, M. D., & Combs, D. K. (2002). Quality of forage stockpiled in Wisconsin. Journal of Range Management, 55(1), 33-42.
    Publisher
    Society for Range Management
    Journal
    Journal of Range Management
    URI
    http://hdl.handle.net/10150/643622
    DOI
    10.2307/4003260
    10.2458/azu_jrm_v55i1_hedtcke
    Additional Links
    https://rangelands.org/
    Abstract
    Stockpiling forage is a commonly used method to extend the grazing season in the southern U.S.A. However, there is little data on stockpiled forage in the upper Midwest. This study was conducted to determine the quality changes of 7 stockpiled cool-season grasses [early and late maturing orchardgrass, Dactylis glomerata L., quackgrass, Elytrigia repens (L.) Desv. Ex. Nevski, reed canarygrass, Phalaris arundinacea L., smooth bromegrass, Bromus inermis Leyss., tall fescue, Festuca arundinacea Schreb., and timothy Phleum pratense L.], with and without N fertilizer, in Wisconsin. Forage was sampled at 3 offseason dates at 3 sites. To determine if N improved forage quality, 4 N-fertilizer treatments were imposed: 0 or 67 kg N ha(-1) applied at start of stockpiling and 2 treatments totaling 168 kg N ha(-1) applied in the fall and spring. Over winter, crude protein (CP) decreased from 116 to 107 g kg(-1), neutral detergent fiber (NDF) increased from 594 to 667 g kg(-1), acid detergent fiber (ADF) increased from 367 to 435 g kg(-1), and in vitro organic matter digestibility (IVOMD) fell from 734 to 655 g kg(-1). Nitrogen fertilizer improved CP in most environments but generally did not affect IVOMD, NDF, or ADF. Smooth bromegrass and quackgrass ranked highest in CP concentration and tall fescue ranked lowest. Timothy and late-maturing orchardgrass ranked highest in IVOMD while quackgrass and reed canarygrass consistently ranked lowest. Quality of all stockpiled forage studied can maintain livestock such as beef cattle or dry dairy cows over winter if the forage is accessible and adequate animal stocking density is maintained.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2307/4003260
    Scopus Count
    Collections
    Journal of Range Management, Volume 55, Number 1 (January 2002)

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