Intake and digestion of urea-treated, urea-supplemented and untreated rice straw by goats
The intake and digestion by goats of urea-treated rice straw and untreated straws given alone or supplemented with urea were measured in a Latin square design study. Intake was measured when the straws were offered ad libitum. Digestibility and nitrogen (N) balance of the diets were measured at 85%...
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Elsevier
1991
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my.upm.eprints.1129552025-01-27T06:49:51Z http://psasir.upm.edu.my/id/eprint/112955/ Intake and digestion of urea-treated, urea-supplemented and untreated rice straw by goats Tuen, A.A. Dahan, M.M. Young, B.A. Vijchulata, P. The intake and digestion by goats of urea-treated rice straw and untreated straws given alone or supplemented with urea were measured in a Latin square design study. Intake was measured when the straws were offered ad libitum. Digestibility and nitrogen (N) balance of the diets were measured at 85% of the ad libitum intake. Organic matter intake (45.2 g kg-1 W0.75) and digestibility (578 g kg-1) of the total diet were higher for urea-treated straw than for supplemented straw (39.4; 534) or straw alone (41.1; 527). Urea supplementation of untreated straw had no significant effect on intake or digestibility. Rumen ammonia levels were similar in goats fed on urea-treated (42.7 mg l-1) and urea-supplemented (39.7 mg l-1) straw, and were much higher than those in goats fed on untreated straw (25.7 mg l-1). The positive response to urea-treated straw was thought to be due to its higher N content in the presence of higher digestible energy. The urea treatment apparently caused a change in the physical and chemical structure of the straw, resulting in increased digestible organic matter intake, whereas urea-added to the diet immediately before it was consumed did not affect intake or digestibility. Elsevier 1991 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/112955/1/112955.pdf Tuen, A.A. and Dahan, M.M. and Young, B.A. and Vijchulata, P. (1991) Intake and digestion of urea-treated, urea-supplemented and untreated rice straw by goats. Animal Feed Science and Technology, 32 (4). pp. 333-340. ISSN 0377-8401; eISSN: 1873-2216 https://linkinghub.elsevier.com/retrieve/pii/037784019190037S 10.1016/0377-8401(91)90037-s |
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The intake and digestion by goats of urea-treated rice straw and untreated straws given alone or supplemented with urea were measured in a Latin square design study. Intake was measured when the straws were offered ad libitum. Digestibility and nitrogen (N) balance of the diets were measured at 85% of the ad libitum intake. Organic matter intake (45.2 g kg-1 W0.75) and digestibility (578 g kg-1) of the total diet were higher for urea-treated straw than for supplemented straw (39.4; 534) or straw alone (41.1; 527). Urea supplementation of untreated straw had no significant effect on intake or digestibility. Rumen ammonia levels were similar in goats fed on urea-treated (42.7 mg l-1) and urea-supplemented (39.7 mg l-1) straw, and were much higher than those in goats fed on untreated straw (25.7 mg l-1). The positive response to urea-treated straw was thought to be due to its higher N content in the presence of higher digestible energy. The urea treatment apparently caused a change in the physical and chemical structure of the straw, resulting in increased digestible organic matter intake, whereas urea-added to the diet immediately before it was consumed did not affect intake or digestibility. |
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Tuen, A.A. Dahan, M.M. Young, B.A. Vijchulata, P. |
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Tuen, A.A. Dahan, M.M. Young, B.A. Vijchulata, P. Intake and digestion of urea-treated, urea-supplemented and untreated rice straw by goats |
author_facet |
Tuen, A.A. Dahan, M.M. Young, B.A. Vijchulata, P. |
author_sort |
Tuen, A.A. |
title |
Intake and digestion of urea-treated, urea-supplemented and untreated rice straw by goats |
title_short |
Intake and digestion of urea-treated, urea-supplemented and untreated rice straw by goats |
title_full |
Intake and digestion of urea-treated, urea-supplemented and untreated rice straw by goats |
title_fullStr |
Intake and digestion of urea-treated, urea-supplemented and untreated rice straw by goats |
title_full_unstemmed |
Intake and digestion of urea-treated, urea-supplemented and untreated rice straw by goats |
title_sort |
intake and digestion of urea-treated, urea-supplemented and untreated rice straw by goats |
publisher |
Elsevier |
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1991 |
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http://psasir.upm.edu.my/id/eprint/112955/1/112955.pdf http://psasir.upm.edu.my/id/eprint/112955/ https://linkinghub.elsevier.com/retrieve/pii/037784019190037S |
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1823093040617619456 |
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13.24 |