The effect of using nonprotein nitrogen in feeding dairy cattle on some productive and reproductive traits [microform] / Mervat Mohamed Hamed EL-Shiekh.

By: Publication details: 1991.Description: 183, 3 leaves : ill. ; 30 cmOther title:
  • تإثير إستخدام النيتروجين الغير بروتيني في تغذية ماشية اللبن علي بعض الصفات الانتاجية والتناسلية [Added title page title]
Subject(s): Dissertation note: Thesis (Ph.D. )-- El-Mansoura University, 1991.
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Thesis (Ph.D. )-- El-Mansoura University, 1991.

Includes bibliographical reference (leaves 150-183)

Microfiche. Cairo, Egypt : ASUNET, 4 microfiche : negative.

Summary in Arabic.

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