| 1. | Genetic and Phenotypic Changes For Female Fertility and First Lactation Production Traits in Friesian Cattle in Egypt | |
| Pages 91-96 | ||
| Anas A. A. Badr; S. M. Zahed | ||
| 2. | Interactions of Year, Calving Season, and Parity on Productive and Reproductive Performance in High and Moderate Yield Friesian Herds | |
| Pages 97-102 | ||
| A. A. Gabr; Na. A. Shalaby; A. A. Abdulrahman | ||
| 3. | Non-genetic factors affecting longevity and lifetime production traits of Friesian dairy cattle in Egypt. | |
| Pages 103-107 | ||
| S. M. Zahed; Aya M. Abdelrhman; Anas Abdelsalam; M. H. El Sawy | ||
