| Effect of different dietary levels of mangrove (Laguncularia racemosa) leaves and spice supplementation on productive performance, egg quality, lipid metabolism and metabolic profiles in laying hens. | |
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MedLine Citation:
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PMID: 19946823 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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In order to study the influence of white mangrove (Laguncularia racemosa) leaves on productive performance, egg quality, lipids metabolism and metabolic profiles, 180 Hy-line laying hens were randomly distributed to 6 dietary treatments each contained 6 replicates of 5 individually caged hens during the period from 50 to 60 weeks of age. 2. Three isoenergetic and isonitrogenous diets were formulated to contain 0, 50 and 100 g/kg of sun-dried mangrove leaves. Each diet was fed with or without supplementation of 2 g of cardamom, cumin, hot and black pepper mixture (1:1:1:1)/kg diet. 3. Mangrove leaves at either 50 or 100 g/kg adversely affect laying rate, egg mass and FCR, whilst increasing water intake and water to feed ratio. Mangrove leaves had no significant effect on dry matter, protein, lipid, cholesterol and ash content of liver, or on dry matter, protein and ash of yolk. 4. Plasma total protein, total lipids; liver enzymes AST and ALT and mortality rate were not significantly affected by mangrove leaves. On the other hand, yolk lipid, yolk cholesterol and plasma cholesterol significantly decreased, while yolk colour significantly increased with inclusion of 50 or 100 g/kg mangrove leaves, and Haugh unit score significantly increased with 100 g/kg mangrove leaves. 5. Spice mixture significantly increased egg weight by 2.2%. Yolk lipid content significantly decreased by 2.6%, while yolk colour and Haugh unit significantly increased with inclusion of spice mixtures. 6. In conclusion, mangrove leaves at 50 g/kg may be included in the laying hen diets as a means of decreasing lipid and cholesterol in yolk and plasma cholesterol and increasing yolk colour. Spice mixture at 2 g of cardamom, cumin, hot and black pepper mixture (1:1:1:1)/kg diet increased laying rate, egg mass, Haugh unit score and yolk colour while decreasing yolk lipids. |
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Authors:
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M A Al-Harthi; A A El-Deek; Y A Attia; F Bovera; E M Qota |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: British poultry science Volume: 50 ISSN: 1466-1799 ISO Abbreviation: Br. Poult. Sci. Publication Date: 2009 Nov |
Date Detail:
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Created Date: 2009-11-30 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: 700-8 Citation Subset: IM |
Affiliation:
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Faculty of Meteorology Environment and Arid Land Agriculture, King Abdulaziz University, Saudi Arabia. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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