| Nutritional value of narrow-leafed lupin (Lupinus angustifolius) for broilers. | |
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MedLine Citation:
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PMID: 22221244 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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1. Two experiments were conducted to evaluate the nutritional value of three cultivars (Wallan, Tanjil and Borre) of narrow-leafed lupin (Lupinus angustifolius) for broilers. 2. In Experiment 1, the apparent metabolisable energy (AME) and the apparent ileal amino acid digestibility of the three cultivars were determined. The cultivar effects were not significant for AME and apparent ileal amino acid digestibility coefficients. In general, amino acids in narrow-leafed lupin were well digested, with the notable exception of methionine. Among the indispensable amino acids, arginine had the highest digestibility coefficient (0·92-0·95), while the lowest was for methionine (0·74-0·83). 3. In Experiment 2, using the energy and digestible amino acid values determined in Experiment 1, diets containing 200 g/kg of the three lupin cultivars were formulated and the effects of feeding these diets on the performance and the digestive tract development of broiler starters were investigated. 4. Weight gain, feed intake and feed per gain of broilers fed narrow-leafed lupins diets were similar to those fed on the maize-soy basal diet. The performance of birds fed on diets containing different cultivars of lupins was also similar. Birds fed on lupin diets had similar excreta scores to those fed on the basal diet. 5. Inclusion of 200 g/kg lupins in broiler diets had no effects on the relative weight and length of the intestinal tract. Broilers fed on lupin diets, however, had higher relative weights of liver. 6. These results suggest that narrow-leafed lupins are good sources of protein, but poor sources of AME and sulphur-containing amino acids. It is concluded that, when diets are properly balanced in terms of AME and digestible amino acids, lupins can be included at 200 g/kg inclusion level in broiler starter diets with no adverse effects on performance. |
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Authors:
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C L Nalle; V Ravindran; G Ravindran |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: British poultry science Volume: 52 ISSN: 1466-1799 ISO Abbreviation: Br. Poult. Sci. Publication Date: 2011 Dec |
Date Detail:
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Created Date: 2012-01-06 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 15740290R Medline TA: Br Poult Sci Country: England |
Other Details:
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Languages: eng Pagination: 775-81 Citation Subset: IM |
Affiliation:
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a Institute of Food, Nutrition and Human Health, Massey University , Private Bag 11 222 , Palmerston North 4442 , New Zealand. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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