TY  - BOOK
AU  - Samir Mohamed El-Sheikh,
AU  - M.K. Shebaita
AU  - M.A. Sayed
AU  - M.H. Khalil
TI  - Some productive and reproductive traits of dairy friesian cows under sakha condition
PY  - 1995///
KW  - Animal Science
KW  - friesian cows
N1  - Thesis (Ph.D)-Cairo University, 1995; Bibliography: pages 197-238
ER  -