الفهرس 
AcknowledgementOnly 14 pages are availabe for public view
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Abstract
This study ws carried out at the Anaal Production 1rimentai Farni, Faculty of Agriltute, Assilit Univers— Assiut, Egypt, in two suocessive years (1976— 77 and
78) and the results are ooiubined,
A totni number of 203 ewes of Ossirni and Seidi sheep their lambs were used. The ewes were till adult (2 — 6
The rnin ptlrpcee of the work is to investigate the eot of different Levels of energy on the development 8td oteristios of wool follicles as well as wool produøtiox two breeds of Egyptian sheep ( Ossinai and Saidi) under er Egypt conditions.
The Ossitnj end Saidi ewes and their Lambs were divided o 3 groups nd kept on three planes of nutrition,low(L), ium(M) nnd Higb(B) during pregnrnay, lctotntion and until bs wexe 12 months old.
The results of this work ae BL5znrna2iZed as follows:
The Lowest values of p.rimrry follicles density was those reooraed for Lambs of the H plate.Vthi1e after cdj aetment for bo*r weight no significant differences were detected between treatment groups.