Document Detail


Albumen height and yolk and embryo compositions in broiler hatching eggs during incubation.
MedLine Citation:
PMID:  11055839     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The relationship of albumen height (AH) to the compositions of yolks and embryos in hatching eggs from a young (30 wk of age) broiler breeder flock was evaluated during incubation. On Day 2 of incubation, egg weight, yolk weight, and yolk moisture, lipid, and fatty acid contents were determined in eggs from broiler breeders previously identified as laying eggs of either low or high AH. In addition, egg weight, wet and dry embryo weight, and embryo moisture and protein contents were determined on Days 10, 12, and 16, and embryo lipid content was determined on Days 12 and 16. Yolk and embryo weights were expressed as percentages of sampled egg weight. Egg, yolk, and wet embryo weights, yolk moisture and lipid contents, and embryo moisture, protein, and lipid contents were not affected by AH; however, yolk myristic acid concentration was higher, and yolk linoleic acid concentration was lower, in low AH eggs on Day 2 of incubation. Furthermore, on Day 16, dry embryo weight was significantly higher in low AH eggs. Young breeder hens laying eggs of different AH may also produce egg yolks with different fatty acid compositions. Differences in yolk fatty acid profiles between AH groups during early incubation may impact subsequent embryo DM weight without associated effects on embryo moisture, protein, or lipid contents.
Authors:
E D Peebles; C W Gardner; J Brake; C E Benton; J J Bruzual; P D Gerard
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Poultry science     Volume:  79     ISSN:  0032-5791     ISO Abbreviation:  Poult. Sci.     Publication Date:  2000 Oct 
Date Detail:
Created Date:  2001-01-31     Completed Date:  2001-02-15     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0401150     Medline TA:  Poult Sci     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  1373-7     Citation Subset:  IM    
Affiliation:
Department of Poultry Science, Mississippi State University, Mississippi State 39762, USA. dpeebles@poultry.msstate.edu
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MeSH Terms
Descriptor/Qualifier:
Animals
Chick Embryo / anatomy & histology,  chemistry*
Chickens
Egg White
Egg Yolk / chemistry*
Fatty Acids / analysis
Female
Lipids / analysis
Male
Ovalbumin / physiology*
Proteins / analysis
Time Factors
Water
Chemical
Reg. No./Substance:
0/Fatty Acids; 0/Lipids; 0/Proteins; 7732-18-5/Water; 9006-59-1/Ovalbumin

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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