Abstract
To examine the characteristics of three isolated Pediococcus acidilactici strains (LTG7, LOG9 and LH9) and evaluate their effects on silage quality, nutritive value and in vitro ruminal digestibility in a variety of forages. One commercial inoculant Lactobacillus plantarum MTD‐1 (G) and three isolated lactic acid bacteria (LAB) strains were measured by morphological, physiological and biochemical tests. All the LAB strains were added to Italian ryegrass (Lolium multiflorum Lam.), tall fescue (Festuca arundinacea Schred.) and oat (Avena sativa L.) for ensiling 30 days in laboratory silos (1 l) respectively. Isolated strains could grow normally at 5–20°C, pH 3·5–7·0 and NaCl (3·0, 6·5%), and were identified as P. acidilactici by sequencing 16S rDNA. In Italian ryegrass and oat silages, all inoculants obviously (P <0·05) increased lactic acid (LA) contents, LAB numbers and in vitro dry matter digestibility (IVDMD), and decreased pH, undesirable micro‐organism numbers, butyric acid and ammonia nitrogen (NH3‐N) contents compared with the corresponding controls. LTG7, LOG9 and G silages in Italian ryegrass and oat had markedly (P <0·05) higher LA content and IVDMD, and lower pH and NH3‐N contents than LH9 silages. In tall fescue silage, LAB inoculants had no obvious (P >0·05) effect on fermentation quality, while markedly (P <0·05) enhanced IVDMD. Based on our results, strains LTG7 and LOG9 had similar potential with the commercial inoculant G in silage making. Few studies involved inoculation of silage with P. acidilactici in different forage types. Analysis of effects of LAB strains with their physiological and biochemical characteristics help understand how LAB inoculants affect the digestibility.
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Claims 13
Claim · model-written summary
The isolated strains grew at the stated temperatures, pH levels and salt concentrations.
Not reportedTaxon
Verbatim
e0“Isolated strains could grow normally at 5–20°C, pH 3·5–7·0 and NaCl (3·0, 6·5%)”
Claim · model-written summary
Sequencing identified the isolated strains as P. acidilactici.
- Outcome
- identified as P. acidilacticie0
Not reportedComparator
Verbatim
e0“were identified as P. acidilactici by sequencing 16S rDNA”
Claim · model-written summary
All inoculants increased lactic acid, LAB counts and dry matter digestibility in Italian ryegrass silage versus controls.
- Taxon
- Italian ryegrass
Lolium multiflorume0 - Treatment
- all inoculantse0
- Outcome
- lactic acid (LA) contents, LAB numbers and in vitro dry matter digestibility (IVDMD)e0
- Direction
- increasede0
- Comparator
- corresponding controlse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In Italian ryegrass and oat silages, all inoculants obviously (P <0·05) increased lactic acid (LA) contents, LAB numbers and in vitro dry matter digestibility (IVDMD)”
e1“compared with the corresponding controls”
Claim · model-written summary
All inoculants increased lactic acid, LAB counts and dry matter digestibility in oat silage versus controls.
- Taxon
- oat
Avena sativae0 - Treatment
- all inoculantse0
- Outcome
- lactic acid (LA) contents, LAB numbers and in vitro dry matter digestibility (IVDMD)e0
- Direction
- increasede0
- Comparator
- corresponding controlse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In Italian ryegrass and oat silages, all inoculants obviously (P <0·05) increased lactic acid (LA) contents, LAB numbers and in vitro dry matter digestibility (IVDMD)”
e1“compared with the corresponding controls”
Claim · model-written summary
All inoculants decreased pH, undesirable microorganisms, butyric acid and ammonia nitrogen in Italian ryegrass silage.
- Taxon
- Italian ryegrassLolium multiflorume0
- Treatment
- all inoculantse0
- Outcome
- pH, undesirable micro‐organism numbers, butyric acid and ammonia nitrogen (NH3‐N) contentse0
- Direction
- decreasede0
- Comparator
- corresponding controlse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In Italian ryegrass and oat silages, all inoculants obviously (P <0·05) increased lactic acid (LA) contents, LAB numbers and in vitro dry matter digestibility (IVDMD), and decreased pH, undesirable micro‐organism numbers, butyric acid and ammonia nitrogen (NH3‐N) contents compared with the corresponding controls”
Claim · model-written summary
All inoculants decreased pH, undesirable microorganisms, butyric acid and ammonia nitrogen in oat silage.
- Taxon
- oatAvena sativae0
- Treatment
- all inoculantse0
- Outcome
- pH, undesirable micro‐organism numbers, butyric acid and ammonia nitrogen (NH3‐N) contentse0
- Direction
- decreasede0
- Comparator
- corresponding controlse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In Italian ryegrass and oat silages, all inoculants obviously (P <0·05) increased lactic acid (LA) contents, LAB numbers and in vitro dry matter digestibility (IVDMD), and decreased pH, undesirable micro‐organism numbers, butyric acid and ammonia nitrogen (NH3‐N) contents compared with the corresponding controls”
Claim · model-written summary
LTG7, LOG9 and G yielded higher lactic acid and digestibility than LH9 in Italian ryegrass silage.
- Taxon
- Italian ryegrassLolium multiflorume0
- Treatment
- LTG7, LOG9 and Ge0
- Outcome
- LA content and IVDMDe0
- Direction
- highere0
- Comparator
- LH9e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“LTG7, LOG9 and G silages in Italian ryegrass and oat had markedly (P <0·05) higher LA content and IVDMD, and lower pH and NH3‐N contents than LH9 silages”
Claim · model-written summary
LTG7, LOG9 and G yielded higher lactic acid and digestibility than LH9 in oat silage.
- Taxon
- oatAvena sativae0
- Treatment
- LTG7, LOG9 and Ge0
- Outcome
- LA content and IVDMDe0
- Direction
- highere0
- Comparator
- LH9e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“LTG7, LOG9 and G silages in Italian ryegrass and oat had markedly (P <0·05) higher LA content and IVDMD, and lower pH and NH3‐N contents than LH9 silages”
Claim · model-written summary
LTG7, LOG9 and G yielded lower pH and ammonia nitrogen than LH9 in Italian ryegrass silage.
- Taxon
- Italian ryegrassLolium multiflorume0
- Treatment
- LTG7, LOG9 and Ge0
- Outcome
- pH and NH3‐N contentse0
- Direction
- lowere0
- Comparator
- LH9e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“LTG7, LOG9 and G silages in Italian ryegrass and oat had markedly (P <0·05) higher LA content and IVDMD, and lower pH and NH3‐N contents than LH9 silages”
Claim · model-written summary
LTG7, LOG9 and G yielded lower pH and ammonia nitrogen than LH9 in oat silage.
- Taxon
- oatAvena sativae0
- Treatment
- LTG7, LOG9 and Ge0
- Outcome
- pH and NH3‐N contentse0
- Direction
- lowere0
- Comparator
- LH9e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“LTG7, LOG9 and G silages in Italian ryegrass and oat had markedly (P <0·05) higher LA content and IVDMD, and lower pH and NH3‐N contents than LH9 silages”
Claim · model-written summary
LAB inoculants had no obvious effect on tall fescue silage fermentation quality.
- Taxon
- tall fescue
Lolium arundinaceume0 - Treatment
- LAB inoculantse0
- Outcome
- fermentation qualitye0
- Direction
- no obviouse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In tall fescue silage, LAB inoculants had no obvious (P >0·05) effect on fermentation quality”
Claim · model-written summary
LAB inoculants enhanced tall fescue silage dry matter digestibility.
- Taxon
- tall fescueLolium arundinaceume0
- Treatment
- LAB inoculantse0
- Outcome
- IVDMDe0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In tall fescue silage, LAB inoculants had no obvious (P >0·05) effect on fermentation quality, while markedly (P <0·05) enhanced IVDMD”
Claim · model-written summary
LTG7 and LOG9 were judged to have similar silage-making potential to commercial inoculant G.
- Material
- strains LTG7 and LOG9e0
- Outcome
- potentiale0
- Direction
- similare0
- Comparator
- commercial inoculant Ge0
Not reportedTaxon
Verbatim
e0“strains LTG7 and LOG9 had similar potential with the commercial inoculant G in silage making”
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inoculation · soil: chemistry · Lolium multiflorum (Italian ryegrass)Results agree
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inoculation · soil: chemistry · Avena sativa (oats)Results agree
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See all 6 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.