الفهرس 
introductionOnly 14 pages are availabe for public view
 |  | from | 120 |  |  |
| | | from | 120 | | |
Abstract
The present study was undertaken on eighty HiSex Brown female
chicken obtained fromEI-Eman farm station at prelaying period and
different stages of laying. The birds were divided into four !:,TfOUpS as
follows:
Group I : twenty immature at prelaying period.
Group II : twenty mature pullets at the beginning of laying.
Group III: twenty mature hens at mid stage of laying.
Group IV: twenty mature laying hens at late stage of laying.
AIl birds were fed a ration containing all essential food for egg
production. The birds of each group were slaughtered and blood samples
were collected for haematological parameters and biochiemical
constituents estimation. The study revealed the following results.