Document Detail

Influence of dietary protein and sex on walking ability and bone parameters of broilers.
MedLine Citation:
PMID:  9649880     Owner:  NLM     Status:  MEDLINE    
1. The study was conducted to investigate the effect of dietary protein on the walking ability and bone parameters of broilers reared under summer temperatures which ranged from 26 degrees to 32 degrees C (+/- 2 degrees C). 2. Three different dietary protein combinations were used. The diets (per kg) were: low protein with 205 g crude protein and 12.94 MJ ME, 184 g crude protein and 12.75 MJ ME; medium protein with 219 g crude protein and 12.99 MJ ME, 201 g crude protein and 12.87 MJ ME; and high protein with 238 g crude protein and 12.99 MJ ME, 216 g crude protein and 12.96 MJ ME from 0 to 4 and 4 to 7 weeks of age, respectively. Body weights of birds were recorded and birds' walking ability (gait scoring) were scored for each bird, according to 3 categories (completely normal to immobile, at 4 and 7 weeks). Tibia parameters and tibia plateau angles were also determined at 7 weeks. 3. Birds fed on the low protein were lighter than those fed on the medium or high protein diets. At 7 weeks, birds with poor walking ability weighted 149 g less than birds with no walking difficulty. 4. Bone parameters were not affected by dietary protein, sex or gait score. There was a significantly positive correlation between bone strength and radiographic density. Bone strength was also significantly correlated with bone weight and length.
S Yalçin; P Settar; O Dicle
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  British poultry science     Volume:  39     ISSN:  0007-1668     ISO Abbreviation:  Br. Poult. Sci.     Publication Date:  1998 May 
Date Detail:
Created Date:  1998-09-16     Completed Date:  1998-09-16     Revised Date:  2003-11-14    
Medline Journal Info:
Nlm Unique ID:  15740290R     Medline TA:  Br Poult Sci     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  251-6     Citation Subset:  IM    
Department of Poultry Science, Aegean University, Izmir, Turkey.
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MeSH Terms
Animal Feed
Body Constitution
Bone Development
Chickens / physiology*
Diet, Protein-Restricted
Dietary Proteins*
Gait / physiology*
Locomotion / physiology
Sex Characteristics
Weight Gain
Reg. No./Substance:
0/Dietary Proteins

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