A study of heterosis in some egg production traits in norfa layers [microform] / Aly Ibrahim El-Sayed El-Slamony.

By: Publication details: 1996.Description: 124, 3 Leaves :ill. ;30 cmOther title:
  • دراسة قوة الخليط في بعض صفات إنتاج البيض في دجاج النورف [Added title page title]
Subject(s): Dissertation note: Thesis (M.S.)--Menofiya University,1996.
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