El-Gaafarawy, Ahmed Mohamed Abd El-Moety.

Improvement of productive and reproductive efficiency in friesian calves [microform]/ رفع الكفاءة الأنتاجية و التناسلية لعجول و عجلات الفريزيان. Ahmed Mohamed Abd El-Moety El-Gaafarawy. - 1992. - 180, [25], 7 leaves : ill. ; 30 cm.

Thesis (Ph.D.)-- Al-Azhar University, 1992.

Includes bibliographical reference (leaves 145-180)


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


Summary in Arabic.


Friesian cattle--Genetics.
Calves--Feeding and feeds.
Cattle--Reproduction.