Paper · 2024 · New Zealand Journal of Agricultural Research

Effects of cutting schedule and inoculation on chemical composition, ensiling characteristics and digestive utilisation of alfalfa silages

Alejandro Britos; Daniel Pérez; José L. Repetto; et al.

6
claims
20
verbatim quotes
0
citations
2
research areas
—
Not open access

Abstract

The objective of this study was to evaluate the effects of ensiling alfalfa cut in the morning or the afternoon with or without inoculant on chemical composition, ensiling characteristics, and digestive utilisation of alfalfa silages. Fresh forage was obtained from 3 plots of alfalfa, each one subdivided into 12 subplots. The experimental design was a 2 × 2 factorial (cut AM or PM and with or without inoculant), with three replications (alfalfa plots) and three subsamples (subplots). Forage from each subplot was employed to fill one experimental silo. Variables of chemical composition, fermentation characteristics, and in vitro digestive utilisation were determined. Data obtained were analysed by a mixed procedure and least square means were compared. Correlations between variables of chemical composition of original forage and composition and fermentation of silages, as well as between variables of chemical composition and digestive utilisation of silages were analysed. PM cutting led to silages with higher content of remaining soluble sugars (P = 0.01), lower pH (P < 0.01), lower NH3–N concentration (P = 0.02), and higher IVTDMD (P = 0.03) than silages made in the morning. Providing enough WSC through cutting forage in the afternoon led to improvements in conservation quality and in vitro digestive utilisation and was more effective than inoculating alfalfa.

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The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.

Claims 6

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Afternoon (PM) cutting produced silages with higher remaining soluble sugar content than morning cutting.

Taxon
alfalfaMedicago sativae0
Treatment
PM cuttinge1
Outcome
content of remaining soluble sugarse1
Direction
highere1
Comparator
silages made in the morninge2

Not reportedValue

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗

Verbatim

e0

“evaluate the effects of ensiling alfalfa cut in the morning or the afternoon”

✓ located verbatim in the source · abstract, characters 35–111 · show in text ↑
e1

“PM cutting led to silages with higher content of remaining soluble sugars (P = 0.01)”

✓ located verbatim in the source · abstract, characters 986–1070 · show in text ↑
e2

“than silages made in the morning”

✓ located verbatim in the source · abstract, characters 1160–1192 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Afternoon (PM) cutting lowered silage pH compared with morning cutting.

Taxon
alfalfaMedicago sativae0
Treatment
PM cuttinge1
Outcome
pHe3
Direction
lowere3
Comparator
silages made in the morninge2

Not reportedValue

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗

Verbatim

e0

“evaluate the effects of ensiling alfalfa cut in the morning or the afternoon”

✓ located verbatim in the source · abstract, characters 35–111 · show in text ↑
e1

“PM cutting led to silages with higher content of remaining soluble sugars (P = 0.01)”

✓ located verbatim in the source · abstract, characters 986–1070 · show in text ↑
e2

“than silages made in the morning”

✓ located verbatim in the source · abstract, characters 1160–1192 · show in text ↑
e3

“lower pH (P < 0.01)”

✓ located verbatim in the source · abstract, characters 1072–1091 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Afternoon (PM) cutting lowered silage NH3–N concentration compared with morning cutting.

Taxon
alfalfaMedicago sativae0
Treatment
PM cuttinge1
Outcome
NH3–N concentratione4
Direction
lowere4
Comparator
silages made in the morninge2

Not reportedValue

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗

Verbatim

e0

“evaluate the effects of ensiling alfalfa cut in the morning or the afternoon”

✓ located verbatim in the source · abstract, characters 35–111 · show in text ↑
e1

“PM cutting led to silages with higher content of remaining soluble sugars (P = 0.01)”

✓ located verbatim in the source · abstract, characters 986–1070 · show in text ↑
e2

“than silages made in the morning”

✓ located verbatim in the source · abstract, characters 1160–1192 · show in text ↑
e4

“lower NH3–N concentration (P = 0.02)”

✓ located verbatim in the source · abstract, characters 1093–1129 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Afternoon (PM) cutting raised in vitro true dry matter digestibility of silages compared with morning cutting.

Taxon
alfalfaMedicago sativae0
Treatment
PM cuttinge1
Outcome
IVTDMDe5
Direction
highere5
Comparator
silages made in the morninge2

Not reportedValue

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗

Verbatim

e0

“evaluate the effects of ensiling alfalfa cut in the morning or the afternoon”

✓ located verbatim in the source · abstract, characters 35–111 · show in text ↑
e1

“PM cutting led to silages with higher content of remaining soluble sugars (P = 0.01)”

✓ located verbatim in the source · abstract, characters 986–1070 · show in text ↑
e2

“than silages made in the morning”

✓ located verbatim in the source · abstract, characters 1160–1192 · show in text ↑
e5

“higher IVTDMD (P = 0.03)”

✓ located verbatim in the source · abstract, characters 1135–1159 · show in text ↑
Intervention effectauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

Cutting forage in the afternoon, which supplied enough WSC, improved conservation quality and in vitro digestive utilisation of alfalfa silage.

Taxon
alfalfaMedicago sativae0
Treatment
cutting forage in the afternoone6
Outcome
conservation quality and in vitro digestive utilisatione6
Direction
improvementse6

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗

Verbatim

e0

“evaluate the effects of ensiling alfalfa cut in the morning or the afternoon”

✓ located verbatim in the source · abstract, characters 35–111 · show in text ↑
e6

“Providing enough WSC through cutting forage in the afternoon led to improvements in conservation quality and in vitro digestive utilisation”

✓ located verbatim in the source · abstract, characters 1194–1333 · show in text ↑
Intervention effectauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

Afternoon cutting was more effective than inoculating alfalfa.

Taxon
alfalfaMedicago sativae0
Treatment
cutting forage in the afternoone6
Outcome
more effectivee7
Direction
more effectivee7
Comparator
inoculating alfalfae7

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗

Verbatim

e0

“evaluate the effects of ensiling alfalfa cut in the morning or the afternoon”

✓ located verbatim in the source · abstract, characters 35–111 · show in text ↑
e6

“Providing enough WSC through cutting forage in the afternoon led to improvements in conservation quality and in vitro digestive utilisation”

✓ located verbatim in the source · abstract, characters 1194–1333 · show in text ↑
e7

“was more effective than inoculating alfalfa”

✓ located verbatim in the source · abstract, characters 1338–1381 · show in text ↑

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