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Carbohydrate digestibility and nitrogen metabolism in sheep fed untreated or sulphur dioxide-treated wheat straw and poultry litter
Year:
1990
Authors :
Ben Ghedalia, Daniel
;
.
Miron, Joshua
;
.
Solomon, Ran
;
.
Yosef, Edith
;
.
Volume :
114
Co-Authors:
Miron, J., Metabolic Unit, Institute of Animal Science, Agricultural Research Organization, The Volcani Center, PO Box 6, Bet Dagan 50250, Israel
Solomon, R., Metabolic Unit, Institute of Animal Science, Agricultural Research Organization, The Volcani Center, PO Box 6, Bet Dagan 50250, Israel
Yosef, E., Metabolic Unit, Institute of Animal Science, Agricultural Research Organization, The Volcani Center, PO Box 6, Bet Dagan 50250, Israel
Ben-Ghedalia, D., Metabolic Unit, Institute of Animal Science, Agricultural Research Organization, The Volcani Center, PO Box 6, Bet Dagan 50250, Israel
Facilitators :
From page:
115
To page:
121
(
Total pages:
7
)
Abstract:
Digestibility of neutral detergent fibre (NDF) and monosaccharide components of diets containing 60% untreated straw (UTS) or straw treated with sulphur dioxide (TS) and poultry litter (1:1) plus 40% concentrate at 700 g/day intake was examined in sheep equipped with rumen and duodenal cannulas. An all-concentrate diet (CD) served as a reference ration. The SO2treatment of straw increased the apparent digestibility of the NDF, glucose, xylose, arabinose and galactose components of the diet from 58.9, 86.7, 55.7, 82.5 and 91.8%, respectively, in the UTS diet to 73.8, 92.6, 77.8, 88..9 and 94.6%, respectively, in the TS diet. Whereas digestion of NDF and glucose in sheep on the TS diet was slightly lower than in those on the CD diet, digestion of xylose, arabinose and galactose was higher. Thus, the digestibility of total monosaccharides in the TS diet was 90.2 % and that of the CD diet only 6.1 % units higher. The SO2treatment also increased the total rumen volatile fatty acid (VFA) concentration and the proportion of butyric acid in the total VFA compared with the UTS diet. Rumen ammonia concentration was 7 mg/100 ml lower and nonammonia nitrogen (NAN) flow to the duodenum was 1.3 g/day higher in sheep fed the TS diet compared with the CD diet. The quantity of duodenal N absorbed in the intestine was 10.7 g/day in the TS diet, close to the value of 11.6 g/day found with the CD diet. The similarity between the TS and CD diets in total monosaccharides digestion and duodenal N absorption, confirms the findings of earlier studies that a TS diet is a highly productive ration. Complementary interaction between the SO2–treated straw and poultry litter components of the TS diet is discussed. © 1990, Cambridge University Press. All rights reserved.
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DOI :
10.1017/S0021859600071070
Article number:
0
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
21763
Last updated date:
02/03/2022 17:27
Creation date:
16/04/2018 23:46
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Scientific Publication
Carbohydrate digestibility and nitrogen metabolism in sheep fed untreated or sulphur dioxide-treated wheat straw and poultry litter
114
Miron, J., Metabolic Unit, Institute of Animal Science, Agricultural Research Organization, The Volcani Center, PO Box 6, Bet Dagan 50250, Israel
Solomon, R., Metabolic Unit, Institute of Animal Science, Agricultural Research Organization, The Volcani Center, PO Box 6, Bet Dagan 50250, Israel
Yosef, E., Metabolic Unit, Institute of Animal Science, Agricultural Research Organization, The Volcani Center, PO Box 6, Bet Dagan 50250, Israel
Ben-Ghedalia, D., Metabolic Unit, Institute of Animal Science, Agricultural Research Organization, The Volcani Center, PO Box 6, Bet Dagan 50250, Israel
Carbohydrate digestibility and nitrogen metabolism in sheep fed untreated or sulphur dioxide-treated wheat straw and poultry litter
Digestibility of neutral detergent fibre (NDF) and monosaccharide components of diets containing 60% untreated straw (UTS) or straw treated with sulphur dioxide (TS) and poultry litter (1:1) plus 40% concentrate at 700 g/day intake was examined in sheep equipped with rumen and duodenal cannulas. An all-concentrate diet (CD) served as a reference ration. The SO2treatment of straw increased the apparent digestibility of the NDF, glucose, xylose, arabinose and galactose components of the diet from 58.9, 86.7, 55.7, 82.5 and 91.8%, respectively, in the UTS diet to 73.8, 92.6, 77.8, 88..9 and 94.6%, respectively, in the TS diet. Whereas digestion of NDF and glucose in sheep on the TS diet was slightly lower than in those on the CD diet, digestion of xylose, arabinose and galactose was higher. Thus, the digestibility of total monosaccharides in the TS diet was 90.2 % and that of the CD diet only 6.1 % units higher. The SO2treatment also increased the total rumen volatile fatty acid (VFA) concentration and the proportion of butyric acid in the total VFA compared with the UTS diet. Rumen ammonia concentration was 7 mg/100 ml lower and nonammonia nitrogen (NAN) flow to the duodenum was 1.3 g/day higher in sheep fed the TS diet compared with the CD diet. The quantity of duodenal N absorbed in the intestine was 10.7 g/day in the TS diet, close to the value of 11.6 g/day found with the CD diet. The similarity between the TS and CD diets in total monosaccharides digestion and duodenal N absorption, confirms the findings of earlier studies that a TS diet is a highly productive ration. Complementary interaction between the SO2–treated straw and poultry litter components of the TS diet is discussed. © 1990, Cambridge University Press. All rights reserved.
Scientific Publication
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