The effect of some environmental factors during pregnancy of friesian cows on milk production and birth weight of calves
Koriet, Ismail Saied Ibrahim.
The effect of some environmental factors during pregnancy of friesian cows on milk production and birth weight of calves [microform]/ تأثير بعض العوامل البيئية أثناء فترة الحمل على إنتاج اللبن و أوزان العجول عند الميلاد فى ماشية الفريزيان. Ismail Saied Ibrahim Koriet. - 1978. - 107, 4 leaves : ill. ; 30 cm.
Thesis (M.S.)--AL-Azhar University, 1978.
Includes bibliographical references (leaves 97-107).
Microfiche.
Cairo, Egypt :
ASUNET,
2 microfiches : negative.
Summary in Arabic.
Milk yield
Friesian cattle.
Cattle--Feed utilization efficiency.
Cattle--Feeding and feeds--Climatic factors.
The effect of some environmental factors during pregnancy of friesian cows on milk production and birth weight of calves [microform]/ تأثير بعض العوامل البيئية أثناء فترة الحمل على إنتاج اللبن و أوزان العجول عند الميلاد فى ماشية الفريزيان. Ismail Saied Ibrahim Koriet. - 1978. - 107, 4 leaves : ill. ; 30 cm.
Thesis (M.S.)--AL-Azhar University, 1978.
Includes bibliographical references (leaves 97-107).
Microfiche.
Cairo, Egypt :
ASUNET,
2 microfiches : negative.
Summary in Arabic.
Milk yield
Friesian cattle.
Cattle--Feed utilization efficiency.
Cattle--Feeding and feeds--Climatic factors.