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    • Rangeland Ecology & Management, Volume 63 (2010)
    • Rangeland Ecology & Management, Volume 63, Number 6 (November 2010)
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    Supplements Containing Escape Protein Improve Redberry Juniper Intake by Goats

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    Author
    George, Chad H.
    Scott, Cody B.
    Whitney, Travis R.
    Owens, Corey J.
    May, Brian J.
    Brantley, Richard
    Issue Date
    2010-11-01
    Keywords
    ashe
    cottonseed meal
    distiller’s grains
    glucogenic
    soybean meal
    
    Metadata
    Show full item record
    Citation
    George, C. H., Scott, C. B., Whitney, T. R., Owens, C. J., May, B. J., & Brantley, R. (2010). Supplements containing escape protein improve redberry juniper intake by goats. Rangeland Ecology & Management, 63(6), 655-661.
    Publisher
    Society for Range Management
    Journal
    Rangeland Ecology & Management
    URI
    http://hdl.handle.net/10150/642830
    DOI
    10.2111/REM-D-09-00087.1
    Additional Links
    https://rangelands.org/
    Abstract
    Redberry juniper (Juniperus pinchotii Sudw.) is a common invasive plant species in west-central Texas. Goats will consume redberry juniper, but intake is limited by monoterpenoids found in the plant. Previous research has shown that goats will increase juniper intake through 1) conditioning and 2) protein supplementation. This study compared intake of juniper when goats received different protein supplements either with or without protein sources that are high in amino acids that escape digestion in the rumen. Recently weaned Boer-cross goats (n = 47) were randomly placed into five treatments. Treatments 1, 2, 3, and 4 received a protein supplement and juniper for 1 h daily for 14 d, along with a basal diet of alfalfa pellets (2% body weight). Treatment 5 received only a basal diet of alfalfa pellets and juniper. All supplements were formulated to be isonitrogenous (37% crude protein [CP]). Treatment 1 contained cottonseed meal (high CP escape value), treatment 2 contained cottonseed meal and distiller’s dried grain (higher CP escape value), treatment 3 contained soybean meal (low CP escape value), and treatment 4 contained soybean meal and distiller’s dried grain (moderate CP escape value). Refusals of juniper, supplements, and alfalfa were weighed daily to determine intake. Supplementation with 1) cottonseed meal, 2) soybean meal, or 3) soybean meal and distillers dried grain did not influence (P > 0.05) juniper intake. Conversely, goats supplemented with cottonseed meal and distiller’s dried grain ate more (P < 0.05) juniper than goats receiving only alfalfa, possibly because of increased escape of glucogenic amino acids. We contend that supplementation with feeds high in protein escape values should increase juniper intake on rangelands. 
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2111/REM-D-09-00087.1
    Scopus Count
    Collections
    Rangeland Ecology & Management, Volume 63, Number 6 (November 2010)

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