The effect of some environmental factors during pregnancy of friesian cows on milk production and birth weight of calves [microform]/ Ismail Saied Ibrahim Koriet.

By: Language: English Summary language: Arabic Publication details: 1978.Description: 107, 4 leaves : ill. ; 30 cmOther title:
  • تأثير بعض العوامل البيئية أثناء فترة الحمل على إنتاج اللبن و أوزان العجول عند الميلاد فى ماشية الفريزيان [Added title page title]
Subject(s): Dissertation note: Thesis (M.S.)--AL-Azhar University, 1978.
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