Paper · 1991 · OpenAgrar

Naehrwert von Ganzhaferpflanzen nach Saeure oder alkalischer Konservierung

Schmidt, Ludwig; Wolthusen, E.; Weißbach, Friedrich

7
claims
11
verbatim quotes
0
citations
2
research areas
—
Not open access

Abstract

Whole-plant oat silages in spite of a high dry matter content often contain butyric acid. Urea as an additive enables to inhibit butyric acid fermentation and to kill off clostridial spores. Acid whole-plant oat silages, which are free of butyric acid, and mixtures from whole plant oat silage and grass silage quickly deteriorate in air, whereas the alkaline urea treated silages on its own are very stable under aerobic conditions. Urea treatment increases the digestibility of whole-plant oat silages significantly. In opposite to sheep, beef cattle may refuse urea treated alkaline silages fed as a sole forage. After mixing them with a grass silage, however, the urea treated silages from whole plant oats are well accepted.

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Claims 7

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Urea added to whole-plant oat silage inhibited butyric acid fermentation and killed clostridial spores.

Treatment
Urea as an additivee1
Outcome
butyric acid fermentatione1
Direction
inhibite1

Not reportedComparator

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

Avena sativa
Avena sativa · TaxonSendelbach ( talk ) · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Whole-plant oat silages in spite of a high dry matter content often contain butyric acid”

✓ located verbatim in the source · abstract, characters 0–88 · show in text ↑
e1

“Urea as an additive enables to inhibit butyric acid fermentation and to kill off clostridial spores”

✓ located verbatim in the source · abstract, characters 90–189 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Acid whole-plant oat silages free of butyric acid deteriorate quickly in air, unlike urea-treated alkaline silages.

Treatment
Acide2
Outcome
deteriorate in aire2
Comparator
alkaline urea treated silagese2

Not reportedDirection

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

Avena sativa
Avena sativa · TaxonSendelbach ( talk ) · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e2

“Acid whole-plant oat silages, which are free of butyric acid, and mixtures from whole plant oat silage and grass silage quickly deteriorate in air, whereas the alkaline urea treated silages on its own are very stable under aerobic conditions”

✓ located verbatim in the source · abstract, characters 191–432 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Mixtures of whole-plant oat silage and grass silage deteriorate quickly in air.

Treatment
mixtures from whole plant oat silage and grass silagee2
Outcome
deteriorate in aire2

Not reportedComparatorDirection

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

Avena sativa
Avena sativa · TaxonSendelbach ( talk ) · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e2

“Acid whole-plant oat silages, which are free of butyric acid, and mixtures from whole plant oat silage and grass silage quickly deteriorate in air, whereas the alkaline urea treated silages on its own are very stable under aerobic conditions”

✓ located verbatim in the source · abstract, characters 191–432 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Alkaline urea-treated whole-plant oat silages are very stable under aerobic conditions.

Treatment
alkaline urea treated silagese2
Outcome
stable under aerobic conditionse2
Comparator
Acide2

Not reportedDirection

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

Avena sativa
Avena sativa · TaxonSendelbach ( talk ) · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e2

“Acid whole-plant oat silages, which are free of butyric acid, and mixtures from whole plant oat silage and grass silage quickly deteriorate in air, whereas the alkaline urea treated silages on its own are very stable under aerobic conditions”

✓ located verbatim in the source · abstract, characters 191–432 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Urea treatment significantly increased the digestibility of whole-plant oat silages.

Treatment
Urea treatmente3
Outcome
digestibilitye3
Direction
increasese3

Not reportedComparator

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

Avena sativa
Avena sativa · TaxonSendelbach ( talk ) · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Whole-plant oat silages in spite of a high dry matter content often contain butyric acid”

✓ located verbatim in the source · abstract, characters 0–88 · show in text ↑
e3

“Urea treatment increases the digestibility of whole-plant oat silages significantly”

✓ located verbatim in the source · abstract, characters 434–517 · show in text ↑
Intervention effectauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

Beef cattle may refuse urea-treated alkaline oat silage fed as sole forage, unlike sheep.

Treatment
urea treated alkaline silages fed as a sole foragee4
Interactor
beef cattlee4herbivore
Outcome
refusee4
Comparator
sheepe4

Not reportedDirection

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

Avena sativa
Avena sativa · TaxonSendelbach ( talk ) · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Whole-plant oat silages in spite of a high dry matter content often contain butyric acid”

✓ located verbatim in the source · abstract, characters 0–88 · show in text ↑
e4

“In opposite to sheep, beef cattle may refuse urea treated alkaline silages fed as a sole forage”

✓ located verbatim in the source · abstract, characters 519–614 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Mixing urea-treated whole-plant oat silage with grass silage made it well accepted by cattle.

Taxon
whole plant oatse5
Treatment
mixing them with a grass silagee5
Outcome
well acceptede5
Comparator
sole foragee4

Not reportedDirection

Verbatim

e4

“In opposite to sheep, beef cattle may refuse urea treated alkaline silages fed as a sole forage”

✓ located verbatim in the source · abstract, characters 519–614 · show in text ↑
e5

“After mixing them with a grass silage, however, the urea treated silages from whole plant oats are well accepted”

✓ located verbatim in the source · abstract, characters 616–728 · show in text ↑

nitrogen · quality: grain · Avena sativa (oats)Results differ

21 papers: 12 positive, 9 negative or no effect

11 papers in the same direction as this paper · 9 in the opposite direction

  1. negative
  2. negative
  3. negative

17 papers more in this group

See all 21 papers →

nitrogen · molecular: metabolites · Avena sativa (oats)Positive and negative results

18 papers: 9 positive, 9 negative or no effect

8 papers in the same direction as this paper · 9 in the opposite direction

  1. negative
  2. no effect
  3. negative

14 papers more in this group

See all 18 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.