Energy content of reduced-fat dried distillers grains with solubles for lactating dairy cows

A. J. Foth, T. Brown-Brandl, K. J. Hanford, P. S. Miller, G. Garcia Gomez, P. J. Kononoff

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Eight Holstein and 8 Jersey multiparous, lactating cows were used to complete 56 energy balances to determine the energy content of reduced-fat dried distillers grains with solubles (RFDDGS). A repeated switchback design was used to compare treatments with and without RFDDGS. Diets consisted of 24.2% corn silage, 18.4% alfalfa hay, 6.94% brome hay with either 22.9% rolled corn or 14.8% soybean meal (control), or 8.95% rolled corn, 28.8% RFDDGS, and 0% soybean meal [Co-P; dry-matter (DM) basis]. The inclusion of RFDDGS did not affect DM intake, averaging 21.4 ± 0.53. kg of DM for all cows, but milk production tended to increase from 29.8 to 30.9 ± 1.46. kg/d for control and Co-P treatments, respectively. Milk fat percentage and energy-corrected milk did not differ between treatments, averaging 4.33 ± 0.14% and 34.1. kg/d, respectively. Milk protein was significantly decreased by the Co-P treatment (3.56 and 3.41 ± 0.08% for control and Co-P treatments), but protein yield was not affected. Milk energies were 1.40 Mcal/d greater with Co-P. Energy lost as methane was reduced by 0.31 Mcal/d with the addition of RFDDGS to the diet. Heat loss averaged 29.9. ±. 0.55 Mcal/d and was not different between diets. Average energy retained as tissue energy was -2.99. ±. 0.93 Mcal/d and did not differ between treatments. Intake of digestible and metabolizable energy were not different between the control and Co-P treatments, averaging 2.68 and 2.31 Mcal/kg of DM, respectively. The net energy of lactation values of control and Co-P diets were calculated to be 1.43 and 1.47 Mcal/kg of DM, respectively. These energy estimates suggest greater energy content of diets containing RFDDGS than diets containing a mixture of corn and soybean meal in lactating dairy cows.

Original languageEnglish (US)
Article number73843
Pages (from-to)7142-7152
Number of pages11
JournalJournal of Dairy Science
Volume98
Issue number10
DOIs
StatePublished - Oct 1 2015

Fingerprint

distillers grains
energy content
dairy cows
Fats
Diet
energy
lipids
Zea mays
Milk
Soybeans
diet
soybean meal
Meals
milk
Bromus
milk fat percentage
Silage
corn
Medicago sativa
Milk Proteins

Keywords

  • Dairy cow
  • Energy balance
  • Indirect calorimetry
  • Reduced-fat dried distillers grains with solubles

ASJC Scopus subject areas

  • Food Science
  • Animal Science and Zoology
  • Genetics

Cite this

Foth, A. J., Brown-Brandl, T., Hanford, K. J., Miller, P. S., Garcia Gomez, G., & Kononoff, P. J. (2015). Energy content of reduced-fat dried distillers grains with solubles for lactating dairy cows. Journal of Dairy Science, 98(10), 7142-7152. [73843]. https://doi.org/10.3168/jds.2014-9226

Energy content of reduced-fat dried distillers grains with solubles for lactating dairy cows. / Foth, A. J.; Brown-Brandl, T.; Hanford, K. J.; Miller, P. S.; Garcia Gomez, G.; Kononoff, P. J.

In: Journal of Dairy Science, Vol. 98, No. 10, 73843, 01.10.2015, p. 7142-7152.

Research output: Contribution to journalArticle

Foth, AJ, Brown-Brandl, T, Hanford, KJ, Miller, PS, Garcia Gomez, G & Kononoff, PJ 2015, 'Energy content of reduced-fat dried distillers grains with solubles for lactating dairy cows', Journal of Dairy Science, vol. 98, no. 10, 73843, pp. 7142-7152. https://doi.org/10.3168/jds.2014-9226
Foth, A. J. ; Brown-Brandl, T. ; Hanford, K. J. ; Miller, P. S. ; Garcia Gomez, G. ; Kononoff, P. J. / Energy content of reduced-fat dried distillers grains with solubles for lactating dairy cows. In: Journal of Dairy Science. 2015 ; Vol. 98, No. 10. pp. 7142-7152.
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abstract = "Eight Holstein and 8 Jersey multiparous, lactating cows were used to complete 56 energy balances to determine the energy content of reduced-fat dried distillers grains with solubles (RFDDGS). A repeated switchback design was used to compare treatments with and without RFDDGS. Diets consisted of 24.2{\%} corn silage, 18.4{\%} alfalfa hay, 6.94{\%} brome hay with either 22.9{\%} rolled corn or 14.8{\%} soybean meal (control), or 8.95{\%} rolled corn, 28.8{\%} RFDDGS, and 0{\%} soybean meal [Co-P; dry-matter (DM) basis]. The inclusion of RFDDGS did not affect DM intake, averaging 21.4 ± 0.53. kg of DM for all cows, but milk production tended to increase from 29.8 to 30.9 ± 1.46. kg/d for control and Co-P treatments, respectively. Milk fat percentage and energy-corrected milk did not differ between treatments, averaging 4.33 ± 0.14{\%} and 34.1. kg/d, respectively. Milk protein was significantly decreased by the Co-P treatment (3.56 and 3.41 ± 0.08{\%} for control and Co-P treatments), but protein yield was not affected. Milk energies were 1.40 Mcal/d greater with Co-P. Energy lost as methane was reduced by 0.31 Mcal/d with the addition of RFDDGS to the diet. Heat loss averaged 29.9. ±. 0.55 Mcal/d and was not different between diets. Average energy retained as tissue energy was -2.99. ±. 0.93 Mcal/d and did not differ between treatments. Intake of digestible and metabolizable energy were not different between the control and Co-P treatments, averaging 2.68 and 2.31 Mcal/kg of DM, respectively. The net energy of lactation values of control and Co-P diets were calculated to be 1.43 and 1.47 Mcal/kg of DM, respectively. These energy estimates suggest greater energy content of diets containing RFDDGS than diets containing a mixture of corn and soybean meal in lactating dairy cows.",
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