S. Khishin

Genetic parameters of Barki sheep raised under semi-arid conditions

E. Galal, M. Fahmy, Y. Ghanem, 1969 .

Crossbreeding of sheep under semi-arid conditions

E. Galal, M. Fahmy, Y. Ghanem, 1969 .

The inheritance of milk production characteristics

A. Robertson, J. Rendel, A. A. Asker, 1957, Journal of Agricultural Sciences.

The effect of selection for heifer milk yield on the production level of mature cows

A. Robertson, S. Khishin, 1958, The Journal of Agricultural Science.

An analysis of the variation between dairy-sire progeny-groups for milk yield and fat content.

A. Robertson, S. Khishin, 1958 .