Cited by 147Ruminant Nutrition and Digestive PhysiologyAnimal Nutrition and PhysiologyMycotoxins in Agriculture and Food

Effects of microbial inoculants on corn silage fermentation, microbial contents, aerobic stability, and milk production under field conditions

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Kristensen, N.B., Sloth, K.H., Højberg, O., Spliid, N.H., Jensen, C., Thøgersen, R.·2010·Journal of Dairy Science

Abstract

The present study aimed to investigate the effects of 2 corn silage inoculation strategies (homofermentative vs. heterofermentative inoculation) under field conditions and to monitor responses in silage variables over the feeding season from January to August. Thirty-nine commercial dairy farms participated in the study. Farms were randomly assigned to 1 of 3 treatments: control (nonactive carrier; Chr. Hansen A/S, Hørsholm, Denmark), Lactisil (inoculation with 1 x 10(5)Lactobacillus pentosus and 2.5 x 10(4)Pediococcus pentosaceus per gram of fresh matter; Chr. Hansen A/S), and Lalsil Fresh (inoculation with 3 x 10(5)Lactobacillus buchneri NCIMB 40788 per gram of fresh matter; Lallemand Animal Nutrition, Blagnac, France). Inoculation with Lactisil had no effects on fermentation variables and aerobic stability. On the contrary, inoculation with Lalsil Fresh doubled the aerobic stability: 37, 38, and 80+/-8h for control, Lactisil, and Lalsil Fresh, respectively. The effect of Lalsil Fresh on aerobic stability tended to differ between sampling times, indicating a reduced difference between treatments in samples collected in April. Lalsil Fresh inoculation increased silage pH and contents of acetic acid, propionic acid, propanol, propyl acetate, 2-butanol, propylene glycol, ammonia, and free AA. The contents and ratios of DL-lactic acid, L-lactic acid relative to DL-lactic acid, free glucose, and DL-lactic acid relative to acetic acid decreased with Lalsil Fresh inoculation. Lalsil Fresh inoculation increased the silage counts of total lactic acid bacteria and reduced yeast counts. The Fusarium toxins deoxynivalenol, nivalenol, and zearalenone were detected in all silages at all collections, but the contents were not affected by ensiling time or by inoculation treatment. The effect of inoculation treatments on milk production was assessed by collecting test-day results from the involved farms and comparing the actual milk production with predicted milk production within farm based on test-day results from 2007 and 2008. The average milk production of lactating cows at test days during the study (January to September 2009) was 30.7+/-0.5 kg of energy-corrected milk/d. Milk production was 104.6+/-0.7% of the predicted yield and did not differ among treatments. In conclusion, the present study showed that homofermentative inoculants might not compete efficiently or might not deviate sufficiently from the epiphytic flora on whole-crop corn to affect fermentation in standard qualities of corn silage. Heterofermentative inoculation increased aerobic stability and numerous fermentation variables. None of the treatments affected milk production, and more-stable corn silage seemed to have a similar production value as compared with less-stable homofermented silage. Heterofermented silage can be evaluated for its properties to limit aerobic silage deterioration in the feed chain.

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  • In a field summary involving 39 farms in Denmark, silage inoculated with Lb. buchneri 40788 had no detrimental effect on intake, milk production, health, or reproduction of dairy cows.

    “In a field summary involving 39 farms in Denmark, Kristensen et al. (2010) reported no detrimental effect of silage inoculated with Lb. buchneri 40788 on the intake, milk production, health, or reproduction of dairy cows.”

    From Silage review: Recent advances and future uses of silage additives (2018) · cites this paper as Kristensen et al., 2010

    The Experimental Design section describes 39 Danish dairy farms and identifies the inoculant as L. buchneri NCIMB 40788. The Conclusions report no effect on milk production compared with the control, but the paper does not report corresponding findings for feed intake, cow health, or reproduction. The dietary-ration data do not establish an effect on intake. (LLM, conf=0.88)

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  • Microbial inoculation of corn silage had no effect on DMI or milk production of dairy cows.

    “For instance, Kristensen et al. (2010) and Arriola et al. (2011) found no effect of microbial inoculation of corn silage on DMI and milk production of dairy cows.”

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Research works printed but not linked: 1

  1. [23]23. Muck, R. E. 1993. The role of silage additives in making high quality silage. Pages 106-116 in Silage Production From Seed to Animal, NRAES-67. Northeast Regional Agricultural Engineering Service, Cooperative Extension, Ithaca, NY.

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Authors
Kristensen, N. B., Sloth, K. H., Højberg, O., Spliid, N. H., Jensen, C., & Thøgersen, R.
Affiliations
Aarhus University (DK)
Corresponding author
Kristensen, N.B.
Venue
Journal of Dairy Science
Published
2010-08
Volume
93
Issue
8
Pages
3764-3774
ISSN
0022-0302 (ISSN-L)
OpenAlex
W2032734202
Cited by
147
References
37
Citations by year
2026: 6 · 2025: 5 · 2024: 7 · 2023: 15 · 2022: 8 · 2021: 11 · 2020: 10 · 2019: 11 · 2018: 11 · 2017: 10 · 2016: 8 · 2015: 7 · 2014: 12 · 2013: 11 · 2012: 6
FWCI
17.65
Type
journal article
Language
en
Open access
Locations
  • Journal of Dairy Science (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Danish Cattle Federation
  • Faculty of Agricultural Sciences, Aarhus University
Topics
  • Life Sciences › Agricultural and Biological Sciences › Agronomy and Crop Science › Ruminant Nutrition and Digestive Physiology
  • Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Animal Nutrition and Physiology
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Mycotoxins in Agriculture and Food
Keywords
corn silage, silage inoculants, Lactobacillus buchneri, Lactobacillus pentosus, Pediococcus pentosaceus, aerobic stability, silage fermentation, silage microbiology, milk production, dairy cattle, Fusarium toxins, deoxynivalenol, nivalenol, zearalenone, lactic acid
MeSH terms
Aerobiosis, Animals, Cattle, Zea mays, Female, Fermentation, Food Microbiology, Lactation, Lactobacillus, Pediococcus, Silage

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