Cited by 419Ruminant Nutrition and Digestive PhysiologyAnimal Nutrition and PhysiologyMycotoxins in Agriculture and Food

Factors Influencing Silage Quality and Their Implications for Management.

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Muck, R.E.·1988·Journal of Dairy Science

Abstract

Abstract Preservation of crop quality, DM, and energy in the silo requires that plant respiration, plant proteolytic activity, clostridial activity, and aerobic microbial growth be limited. A critical mechanism for limiting these processes is quick attainment and maintenance of anaerobic conditions in the silo. If the crop is wilted to greater than 55% DM, fermentation of the crop plays a minor role in making quality silage. For wetter crops, a rapid decline in pH is essential. Dropping pH by fermentation requires an anaerobic environment, adequate substrate, and sufficient numbers of lactic acid bacteria. The substrate required for good fermentation is dependent on the crop, increasing with buffering capacity and moisture content. Approximately 10 8 lactic acid bacteria per gram of crop are required before a noticeable drop in pH occurs. Because this concentration is much greater than that supplied by inoculants, the most important characteristic for an inoculant is fast growth rate in the silo environment. Also, an inoculant's success depends on adequate substrate and its population relative to the natural one. Dropping pH by acids effects an immediate pH change, which is beneficial in preserving protein nitrogen. However, this advantage must be balanced against its cost and safety in handling.

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Crossref · 10.3168/jds.s0022-0302(88)79897-5

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Authors
Muck, R. E.
Affiliations
U.S. Dairy Forage Research Center (US)
Corresponding author
Muck, R.E.
Venue
Journal of Dairy Science
Published
1988-11
Volume
71
Issue
11
Pages
2992-3002
ISSN
0022-0302 (ISSN-L)
OpenAlex
W2033515744
Cited by
419
References
43
Citations by year
2026: 13 · 2025: 18 · 2024: 12 · 2023: 21 · 2022: 17 · 2021: 24 · 2020: 17 · 2019: 23 · 2018: 13 · 2017: 20 · 2016: 20 · 2015: 18 · 2014: 19 · 2013: 13 · 2012: 13
FWCI
3.86
Type
journal article
Language
en
Open access
Locations
Journal of Dairy Science (publishedVersion)
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
silage quality, anaerobic conditions, lactic acid bacteria, silage inoculants, silage pH, aerobic spoilage, crop moisture content, buffering capacity, silage management

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