Number of Articles: 2 | ||
1 | Effect of twin vs. single births on gestation length, reproductive performance, dystocia, calf survival rate and culling in Holstein cows | |
Volume 19, Issue 2, March 2009, Page 19-23 | ||
A. S. Mostafa | ||
2 | COMPARISON OF PRODUCTIVE AND REPRODUCTIVE PERFORMANCE BETWEEN CULLED COWS AND THEIR CONTEPORARIES RETAINED IN A HERD OF FRIESIAN CATTLE. | |
Volume 25, Issue 12, December 2000, Page 7569-7575 | ||
M. B. Aboul-Ela,; N. A. Shalaby; M. A. Mostafa | ||