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《Journal of Yangzhou University(Agriculture and Life Sciences Edition)》 1990-02
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STUDIES ON PLASMA ALKALINE PHOSPHATASE AND ITS RELATION TO PRODUCTION POTENTIAL IN CHICKENS

Chen Guohong;Huang Zhirong Dept. of Anim. Sci. and Vet. Med., Jiangsu Agric. Coll.  
The study indicates that heritability of 6,12,24 weeks of age ranged from 0.5 to 0.7, ear- ly PAKP levels showed a significant negative correlation with egg production and egg wt., and a significant positive corelation with all body wt., age of first egg and first egg wt..It is found that there are two zymograms through isoemzymes analysis with polyacrylamide gel electrophoresis, F type (have a AKP~F band) and S type (have a AKP~s band). The F type chickens had some features: heavy body wt., late age of first egg, low egg production and heavy egg wt., while the S type chickens had other features: light body wt., early age of first egg, high egg production and light egg wt..
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