Author = H.M. Abd El-Hafeez
THE EFFECT OF PROTECTED FAT ON MILK YIELD AND COMPOSITION, DIGESTIBILITY, AND SOME BIOCHEMICAL PARAMETERS IN LOW PRODUCING COWS

Volume 46.2, Issue 92, January 2002, Pages 84-106

H.M. Abd El-Hafeez; Samar S. Tawfik; M.A. Kandeil; A.N. Sayed


EFFECT OF CERTAIN PIGMENTS ON PERFORIVIANCE AND IMMUNE RESPONSE OF CHICKS AS A MODEL

Volume 43.1, Issue 85, April 2000, Pages 51-74

H.M. Abd El-Hafeez; Samar S. Tawfik; Elham S.E. Saleh; Hanaa I. Faheem; S.Kh. Abd El-Ghaffar


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