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Tryptophan requirements for body and feather growth of broilers as affected by breed, sex, weight interval and dietary protein level
Thesis (M. Sc. Agric.) -- University of Stellenbosch, 1990.
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| Format: | Thesis |
| Language: | en_ZA |
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Stellenbosch : Stellenbosch University
2012
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| _version_ | 1867613796626857984 |
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| access_status_str | Open Access |
| author | Cilliers, Stefanus Christiaan |
| author2 | Hayes, J. P. |
| author_browse | Cilliers, Stefanus Christiaan Hayes, J. P. |
| author_facet | Hayes, J. P. Cilliers, Stefanus Christiaan |
| author_sort | Cilliers, Stefanus Christiaan |
| collection | Thesis |
| dc_rights_str_mv | Stellenbosch University |
| description | Thesis (M. Sc. Agric.) -- University of Stellenbosch, 1990. |
| format | Thesis |
| id | oai:scholar.sun.ac.za:10019.1/67394 |
| institution | Stellenbosch University (South Africa) |
| language | en_ZA |
| last_indexed | 2026-06-10T12:41:50.126Z |
| license_str | Other — see source repository |
| provenance_str_mv | Harvested via OAI-PMH from SUNScholar — Stellenbosch University Repository |
| publishDate | 2012 |
| publishDateRange | 2012 |
| publishDateSort | 2012 |
| publisher | Stellenbosch : Stellenbosch University |
| publisherStr | Stellenbosch : Stellenbosch University |
| record_format | dspace |
| source_str | SUNScholar — Stellenbosch University Repository |
| spelling | oai:scholar.sun.ac.za:10019.1/67394 Tryptophan requirements for body and feather growth of broilers as affected by breed, sex, weight interval and dietary protein level Cilliers, Stefanus Christiaan Hayes, J. P. Stellenbosch University. Faculty of AgriSciencs. Dept. of Animal Science. Poultry -- Feeding and feeds Broilers (Poultry) -- Growth Tryptophan Dissertations -- Agriculture Thesis (M. Sc. Agric.) -- University of Stellenbosch, 1990. The tryptophan (TRP) requirements for body and feather growth of Ross and Hubbard broilres in different growing intervals (GI) were determined at three dietary protein levels (120, 150 and 180 g CP/kg diet), using the net efficiency of TRP utilisation (NETU) to apply models to achieve this objective. Two preliminary trials were conducted to determine at which level of TRP input, a point of inflection occured and which amino acid became first limiting after this point. Masters 2012-08-27T12:09:49Z 2012-08-27T12:09:49Z 1990 Thesis http://hdl.handle.net/10019.1/67394 en_ZA Stellenbosch University 81 pages : ill. application/pdf Stellenbosch : Stellenbosch University |
| spellingShingle | Poultry -- Feeding and feeds Broilers (Poultry) -- Growth Tryptophan Dissertations -- Agriculture Cilliers, Stefanus Christiaan Tryptophan requirements for body and feather growth of broilers as affected by breed, sex, weight interval and dietary protein level |
| title | Tryptophan requirements for body and feather growth of broilers as affected by breed, sex, weight interval and dietary protein level |
| title_full | Tryptophan requirements for body and feather growth of broilers as affected by breed, sex, weight interval and dietary protein level |
| title_fullStr | Tryptophan requirements for body and feather growth of broilers as affected by breed, sex, weight interval and dietary protein level |
| title_full_unstemmed | Tryptophan requirements for body and feather growth of broilers as affected by breed, sex, weight interval and dietary protein level |
| title_short | Tryptophan requirements for body and feather growth of broilers as affected by breed, sex, weight interval and dietary protein level |
| title_sort | tryptophan requirements for body and feather growth of broilers as affected by breed sex weight interval and dietary protein level |
| topic | Poultry -- Feeding and feeds Broilers (Poultry) -- Growth Tryptophan Dissertations -- Agriculture |
| url | http://hdl.handle.net/10019.1/67394 |
| work_keys_str_mv | AT cilliersstefanuschristiaan tryptophanrequirementsforbodyandfeathergrowthofbroilersasaffectedbybreedsexweightintervalanddietaryproteinlevel |