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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| Format: | Article |
| Language: | English |
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Elsevier
1991
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| Online Access: | http://psasir.upm.edu.my/id/eprint/112955/ http://psasir.upm.edu.my/id/eprint/112955/1/112955.pdf |
| _version_ | 1848866086508822528 |
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| author | Tuen, A.A. Dahan, M.M. Young, B.A. Vijchulata, P. |
| author_facet | Tuen, A.A. Dahan, M.M. Young, B.A. Vijchulata, P. |
| author_sort | Tuen, A.A. |
| building | UPM Institutional Repository |
| collection | Online Access |
| description | 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. |
| first_indexed | 2025-11-15T14:15:01Z |
| format | Article |
| id | upm-112955 |
| institution | Universiti Putra Malaysia |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-15T14:15:01Z |
| publishDate | 1991 |
| publisher | Elsevier |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | upm-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 |
| spellingShingle | 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 |
| title | 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_short | 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 |
| url | http://psasir.upm.edu.my/id/eprint/112955/ http://psasir.upm.edu.my/id/eprint/112955/ http://psasir.upm.edu.my/id/eprint/112955/ http://psasir.upm.edu.my/id/eprint/112955/1/112955.pdf |