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| DOI: | 10.2134/agronj2007.0143 |
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| Web URL(s): | https://dl.sciencesocieties.org/publications/aj/articles/100/2/463
Last checked: 11/02/2016
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https://dl.sciencesocieties.org/publications/aj/pdfs/100/2/463
Last checked: 11/02/2016
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| Publication Type:
| Refereed |
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| Author(s): | Vendramini, J. M. B.;
Sollenberger, L. E.;
Adesogan, A. T.;
Dubeux, J. C. B. Jr.;
Interrante, S. M.;
Stewart, R. L. Jr.;
Arthington, J. D. |
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| Author Affiliation: | Vendramini: Agronomy Department; Arthington: Department of Animal Sciences, Ona Range Cattle Research and Education Center, Ona, Florida; Sollenberger and Interrante: Agronomy Department; Adesogan: Department of Animal Sciences, University of Florida, Gainesville, Florida; Dubeux: Department de Zootecnia/UFRPE, Av. Dom Manoel de Medeiros, S/N, Dois Irmaos, Brazil; Stewart: Alltech, Lexington, Kentucky |
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| Title: | Protein fractions of Tifton 85 and rye-ryegrass due to sward management practices |
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| Section: | Forages
Other records with the "Forages" Section
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| Source: | Agronomy Journal. Vol. 100, No. 2, March/April 2008, p. 463-469. |
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| Publishing Information: | Madison, WI: American Society of Agronomy |
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| # of Pages: | 7 |
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| Keywords: | TIC Keywords: Proteins; Secale cereale; Lolium multiflorum; Nitrogen level; Nitrogen fertilization; Regrowth; Nutritional requirements; Dry weight; Nonprotein nitrogen; Cynodon; Degradation
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| Cultivar Names: | Tifton 85 |
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| Abstract/Contents: | "In the South, early weaned calves (Bos taurus) can be raised on pasture-based feeding programs, but to effectively meet their nutritional requirements, more information is needed on forage protein characteristics. Experiments were conducted from January to April and May to July 2003 and 2004 to evaluate the effects of N fertilization and regrowth interval on crude protein (CP) fraction concentrations of rye (Secale cereale L.)annual ryegrass (Lolium multiflorum Lam.) mixtures and 'Tifton 85' bermudagrass (Cynodon sp.). Treatments were the factorial combinations of three N levels (0, 40, and 80 kg ha-1 period-1) and two regrowth intervals, 3 and 6 wk for ryeryegrass and 2 and 4 wk for bermudagrass. In situ digestibility methodology was used to describe CP fractions. For ryeryegrass herbage CP, there was a linear increase in the concentration of Fraction A (rapidly degradable; 410-500 g kg-1) and a linear decrease in Fractions B (potentially degradable; 530-370 g kg-1) and C (undegradable in the rumen, 73-47 g kg-1) as N fertilization increased. For bermudagrass, Fraction B increased (330-455 g kg-1) and C decreased (283-208 g kg-1) linearly as N fertilization increased. High Fraction A concentration in ryeryegrass CP favors use of supplements containing rumen-undegradable protein for early weaned calves. In contrast, large Fractions B plus C concentrations suggest that calves grazing bermudagrass may respond best to supplements containing rumen-degradable protein." |
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| Language: | English |
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| References: | 37 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Vendramini, J. M. B., L. E. Sollenberger, A. T. Adesogan, J. C. B. Jr. Dubeux, S. M. Interrante, R. L. Jr. Stewart, et al. 2008. Protein fractions of Tifton 85 and rye-ryegrass due to sward management practices. Agron. J. 100(2):p. 463-469. |
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| DOI: 10.2134/agronj2007.0143 |
| Web URL(s):
https://dl.sciencesocieties.org/publications/aj/articles/100/2/463
Last checked: 11/02/2016
Access conditions: item is within a limited-access website
https://dl.sciencesocieties.org/publications/aj/pdfs/100/2/463
Last checked: 11/02/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: b2212646a |
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