Abstract
Various microorganisms and chemical compounds might be added to forage, maintain or improve the nutritive value of a crop ensiled. The aim of the present experiment was to evaluate the fermentation characteristics and in situ rumen degradation of whole crop barley ensiled with Lactobacillus plantarum or ammonium propionate and its effect on feed intake and milk production of lactating dairy Holstein cows. Whole crop barley was harvested (32.5% DM), chopped and then ensiled alone (UT) or with Lactobacillus plantarum (8 10 10 CFU g -1 fresh forage; LP) or ammonium propionate (1 g kg -1 DM; AP). Chemical composition, silage extract pH, NH 3 -N concentration and in situ ruminal degradation parameters of dry matter (DM), crud protein (CP) and neutral detergent fiber (NDF) were determined. Microbial inoculant had a significant (P < 0.05) effect on NDF content (LP = 545 vs. UT = 525 and PA = 522 g kg -1 DM) of whole crop barley silage (WCBS). In situ dry matter degradable coefficient of fraction (b) was affected by the treatments (LP = 0.48 0.01 and PA = 0.47 0.02 vs. UT = 0.45 0.02). Use of LP caused to a decrease in CP degradability in fraction (b); (LP = 0.39 0.02 and PA = 0.43 0.05 vs. UT = 0.43 0.04 % DM), and enhanced effective degradability of CP about 0.04 in contrast with the untreated silage. Treatment had no significant effect on dry matter intake, milk yield, milk fat and lactose concentrations, but milk protein yield for cow fed LP increased significantly compared with those of the other animals.
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Claims 7
Claim · model-written summary
Lactobacillus plantarum inoculation raised whole crop barley silage NDF content above the untreated silage (545 vs 525 g/kg DM).
Verbatim
e0“Microbial inoculant had a significant (P < 0.05) effect on NDF content (LP = 545 vs. UT = 525 and PA = 522 g kg -1 DM) of whole crop barley silage (WCBS)”
e1“ensiled alone (UT) or with Lactobacillus plantarum (8 10 10 CFU g -1 fresh forage; LP)”
Claim · model-written summary
Silage treatment affected in situ dry matter degradable coefficient of fraction (b) of whole crop barley (LP 0.48 vs untreated 0.45); direction not stated.
- Taxon
- whole crop barleye0
- Treatment
- Lactobacillus plantarume1
- Interactor
- Lactobacillus plantarume1other
- Outcome
- dry matter degradable coefficient of fraction (b)e2
- Value
- LP = 0.48e2
- Comparator
- UTe2
Not reportedDirection
Verbatim
e0“Microbial inoculant had a significant (P < 0.05) effect on NDF content (LP = 545 vs. UT = 525 and PA = 522 g kg -1 DM) of whole crop barley silage (WCBS)”
e1“ensiled alone (UT) or with Lactobacillus plantarum (8 10 10 CFU g -1 fresh forage; LP)”
e2“In situ dry matter degradable coefficient of fraction (b) was affected by the treatments (LP = 0.48 0.01 and PA = 0.47 0.02 vs. UT = 0.45 0.02)”
Claim · model-written summary
Lactobacillus plantarum silage decreased CP degradability in fraction (b) of whole crop barley (LP 0.39 vs untreated 0.43).
Verbatim
e0“Microbial inoculant had a significant (P < 0.05) effect on NDF content (LP = 545 vs. UT = 525 and PA = 522 g kg -1 DM) of whole crop barley silage (WCBS)”
e1“ensiled alone (UT) or with Lactobacillus plantarum (8 10 10 CFU g -1 fresh forage; LP)”
e3“Use of LP caused to a decrease in CP degradability in fraction (b); (LP = 0.39 0.02 and PA = 0.43 0.05 vs. UT = 0.43 0.04 % DM), and enhanced effective degradability of CP about 0.04 in contrast with the untreated silage”
Claim · model-written summary
Lactobacillus plantarum silage enhanced effective degradability of CP of whole crop barley by about 0.04 relative to the untreated silage.
Verbatim
e0“Microbial inoculant had a significant (P < 0.05) effect on NDF content (LP = 545 vs. UT = 525 and PA = 522 g kg -1 DM) of whole crop barley silage (WCBS)”
e1“ensiled alone (UT) or with Lactobacillus plantarum (8 10 10 CFU g -1 fresh forage; LP)”
e3“Use of LP caused to a decrease in CP degradability in fraction (b); (LP = 0.39 0.02 and PA = 0.43 0.05 vs. UT = 0.43 0.04 % DM), and enhanced effective degradability of CP about 0.04 in contrast with the untreated silage”
Claim · model-written summary
The silage treatments had no significant effect on dry matter intake or milk yield of cows fed whole crop barley silage.
- Taxon
- Whole Crop Barleyt0
- Treatment
- Microbial Inoculant or Ammonium Propionatet0
- Outcome
- dry matter intake, milk yielde4
- Direction
- no_changeinferrede4
Not reportedComparator
Verbatim
t0“Whole Crop Barley Ensiled with Microbial Inoculant or Ammonium Propionate”
e4“Treatment had no significant effect on dry matter intake, milk yield, milk fat and lactose concentrations”
Claim · model-written summary
The silage treatments had no significant effect on milk fat and lactose concentrations of cows fed whole crop barley silage.
- Taxon
- Whole Crop Barleyt0
- Treatment
- Microbial Inoculant or Ammonium Propionatet0
- Outcome
- milk fat and lactose concentrationse4
- Direction
- no_changeinferrede4
Not reportedComparator
Verbatim
t0“Whole Crop Barley Ensiled with Microbial Inoculant or Ammonium Propionate”
e4“Treatment had no significant effect on dry matter intake, milk yield, milk fat and lactose concentrations”
Claim · model-written summary
Cows fed Lactobacillus plantarum silage of whole crop barley had significantly higher milk protein yield than the other animals.
Verbatim
t0“Whole Crop Barley Ensiled with Microbial Inoculant or Ammonium Propionate”
e1“ensiled alone (UT) or with Lactobacillus plantarum (8 10 10 CFU g -1 fresh forage; LP)”
e5“but milk protein yield for cow fed LP increased significantly compared with those of the other animals”
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