SHORT COMMUNICATION
Effects of disodium malate on microbial growth and
rumen fermentation of two diets in Rusitec
fermenters
1
Departamento de Producción Animal I, Universidad de León,
24071 León, Spain
Publication date: 2004-08-30
Corresponding author
J. Anim. Feed Sci. 2004;13(Suppl. 1):71-74
KEYWORDS
ABSTRACT
The objective of this study was to investigate the effects of disodium malate (6.65 mM) on
the in vitro fermentation of two diets (F (40% concentrate) and C (90% concentrate)). Malate
treatment increased (P<0.001) dry matter and neutral-detergent fibre disappearance with both
diets. Daily production of propionate and butyrate increased (P<0.001) and the ratio CH4:VFA
decreased (P<0.001) by adding malate for both diets. Whereas adding malate to F diet produced an
increase (P<0.05) in acetate production, this effect was not observed with C diet. In addition, malate
treatment increased (P<0.05) the daily growth of solid-associated bacteria with F diet, but no effects
(P>0.05) were detected with C diet. The results seem to indicate that disodium malate stimulated the
in vitro fermentation of both diets, but a greater response was observed with diet F.
CITATIONS (2):
1.
Effects of malic acid on microbial efficiency and metabolism in continuous culture of rumen contents and on performance of mid-lactation dairy cows
C.J. Sniffen, C.S. Ballard, M.P. Carter, K.W. Cotanch, H.M. Dann, R.J. Grant, P. Mandebvu, M. Suekawa, S.A. Martin
Animal Feed Science and Technology
C.J. Sniffen, C.S. Ballard, M.P. Carter, K.W. Cotanch, H.M. Dann, R.J. Grant, P. Mandebvu, M. Suekawa, S.A. Martin
Animal Feed Science and Technology
2.
Effects of malic acid on rumen fermentation, urinary excretion of purine derivatives and feed digestibility in steers
Q. Liu, C. Wang, W. Yang, Q. Dong, K. Dong, Y. Huang, X. Yang, D. He
animal
Q. Liu, C. Wang, W. Yang, Q. Dong, K. Dong, Y. Huang, X. Yang, D. He
animal
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