TY  - BOOK
AU  - Khalifa,Zeinab Aly Abdou
TI  - Effect of crossing native cattle with friesian on milk production traits in Egypt
PY  - 1994///
KW  - Milk yield
KW  - Egypt
KW  - Dairy cattle
KW  - Breeding
KW  - Friesian cattle
N1  - Thesis (Ph.D)-- Alexandria University, 1994; Includes bibliographical references (leaves117-154); Microfiche; ASUNET; Ain Shams University; 3 microfiches : negative
ER  -