Abstract
SUMMARY Normal and brown midrib-3 (bm 3 ) maize silages were fed to sheep, lactating cows and dairy calves to determine the effect of the bm 3 gene on in vivo digestibility, dry-matter intake and animal performance. In two trials wether sheep were fed either normal or bm 3 maize silage at maintenance level. In the first experiment the bm 3 gene significantly increased the digestibility of the organic matter(OM), cell wall constituents (CWC), acid-detergent fibre (ADF), cellulose and hemicellulose from 76·9, 74·7, 67·3, 74·2 and 79·5% to 79·6, 79·2, 75·8, 80·8 and 81·5%. In the second experiment the gene increased the digestibility of the OM, CWC, ADF and cellulose from 65·9, 44·7, 28·5 and 38·7% to 701, 59·3, 560 and 66·1, 39·1,32·8, 40·4 and 45·5% to 68·1, 51·9, 53·7, 58·0 and 49·2%. The digestibility of the protein was similar for both diets. In a feeding trial 6-month-old calves were fed either normal or bm3 silage ad libitum together with 1·6 kg D.M. of a protein supplement. The dry-matter intake of the two silages was similar; however, the daily live-weight gain of 0·92 kg for calves fed the bm 3 diet was significantly higher than the 0·83 kg for calves fed the normal diet.
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Claims 7
Claim · model-written summary
In sheep, bm 3 maize silage significantly increased digestibility of organic matter, cell wall constituents and acid-detergent fibre compared with normal silage
- Treatment
- bm 3 maize silagee1
- Gene
- bm 3e2
- Outcome
- digestibility of the organic matter(OM), cell wall constituents (CWC), acid-detergent fibre (ADF)e2
- Direction
- increasede2
- Comparator
- normale1
Zea maysOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“In two trials wether sheep were fed either normal or bm 3 maize silage at maintenance level”
e2“In the first experiment the bm 3 gene significantly increased the digestibility of the organic matter(OM), cell wall constituents (CWC), acid-detergent fibre (ADF), cellulose and hemicellulose”
Claim · model-written summary
In sheep, bm 3 maize silage significantly increased digestibility of cellulose and hemicellulose compared with normal silage
- Treatment
- bm 3 maize silagee1
- Gene
- bm 3e2
- Outcome
- cellulose and hemicellulosee2
- Direction
- increasede2
- Comparator
- normale1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“In two trials wether sheep were fed either normal or bm 3 maize silage at maintenance level”
e2“In the first experiment the bm 3 gene significantly increased the digestibility of the organic matter(OM), cell wall constituents (CWC), acid-detergent fibre (ADF), cellulose and hemicellulose”
Claim · model-written summary
In the second sheep experiment, bm 3 maize silage increased digestibility of organic matter, cell wall constituents and acid-detergent fibre compared with normal silage
- Treatment
- bm 3 maize silagee1
- Outcome
- digestibility of the OM, CWC, ADFe3
- Direction
- increasede3
- Comparator
- normale1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“In two trials wether sheep were fed either normal or bm 3 maize silage at maintenance level”
e3“In the second experiment the gene increased the digestibility of the OM, CWC, ADF and cellulose”
Claim · model-written summary
In the second sheep experiment, bm 3 maize silage increased cellulose digestibility compared with normal silage
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“In two trials wether sheep were fed either normal or bm 3 maize silage at maintenance level”
e3“In the second experiment the gene increased the digestibility of the OM, CWC, ADF and cellulose”
Claim · model-written summary
Digestibility of protein is similar for bm 3 and normal maize silage
- Treatment
- bm 3 maize silagee1
- Outcome
- digestibility of the proteine4
- Direction
- similare4
- Comparator
- both dietse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“In two trials wether sheep were fed either normal or bm 3 maize silage at maintenance level”
e4“The digestibility of the protein was similar for both diets”
Claim · model-written summary
Dry-matter intake of bm3 and normal maize silages is similar in calves
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“In two trials wether sheep were fed either normal or bm 3 maize silage at maintenance level”
e5“The dry-matter intake of the two silages was similar”
e6“In a feeding trial 6-month-old calves were fed either normal or bm3 silage ad libitum”
Claim · model-written summary
In calves, the bm 3 diet significantly increased daily live-weight gain to 0·92 kg compared with the normal diet at 0·83 kg
- Treatment
- bm 3 diete7
- Outcome
- daily live-weight gaine7
- Direction
- highere7
- Value
- 0·92 kge7
- Comparator
- normal diete7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“In two trials wether sheep were fed either normal or bm 3 maize silage at maintenance level”
e7“the daily live-weight gain of 0·92 kg for calves fed the bm 3 diet was significantly higher than the 0·83 kg for calves fed the normal diet”
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