Gender, caponization and exogenous estrogen effects on lipids, bone and blood characteristics in Taiwan country chickens

This study investigated gender, caponization and exogenous estrogen effects on lipids, bone and blood characteristics in Taiwan country chickens. Thirty male chickens were caponized at 8 weeks (capons); 15 capons were injected with estrogen (5 mg/bird estradiol 3‐benzoate) every 2 weeks from 8 to 28...

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Bibliographic Details
Published in:Animal science journal 2014-03, Vol.85 (3), p.305-312
Main Authors: Chen, Shih Yi, Li, Tsung Yu, Tsai, Chih Heng, Lo, Dan Yuan, Chen, Kuo Lung
Format: Article
Language:English
Subjects:
abdominal fat
Adipose Tissue - anatomy & histology
Animal sciences
Animals
bending strength
Biomechanics
blood
bone
Bone and Bones - anatomy & histology
bone strength
caponization
capons
Castration
chest
Chickens - physiology
estrogen
Estrogens
Estrogens - pharmacology
Female
females
Ligaments
lipid
Lipids
Lipids - blood
lipoproteins
Male
Poultry
Sex Factors
subcutaneous fat
Taiwan
Taiwan country chicken
tibia
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Summary:This study investigated gender, caponization and exogenous estrogen effects on lipids, bone and blood characteristics in Taiwan country chickens. Thirty male chickens were caponized at 8 weeks (capons); 15 capons were injected with estrogen (5 mg/bird estradiol 3‐benzoate) every 2 weeks from 8 to 28 weeks, and 15 sham‐operated male (shams) chickens and 15 females were selected for this trial. The results showed that the shams had lower relative abdominal and chest subcutaneous fat than females (P 
ISSN:1344-3941
1740-0929
DOI:10.1111/asj.12147