SOME FACTORS AFFECTING BIRTH WEIGHT AND CALF MORTALITY IN FRIESIAN CATTLE UNDER UPPER EGYPT CONDITIONS

Some Factors Affecting Length of Calving Interval in a Herd of Friesian Cattle in the U.A.R.

REPRODUCTIVE EFFICIENCY AND MILK PRODUCTION OF LACTATING FRIESIAN COWS ADMINISTRATED WITH GNRH DURING DIFFERENT POSTPARTUM PERIODS

EFFECT OF CALVING SEASON, PARITY AND AGE AT FIRST CALVING ON PERFORMANCE TRAITS AND PHENOTYPIC CORRELATIONS BETWEEN THESE TRAITS IN HOLSTEIN FRIESIAN COWS

Genetic and Non Genetic Factors Affecting the Breeding Efficiency in Friesian Cows in Egypt

Twinning in dairy cattle and its effect on milk yield, lactation length, dry period length and calf performance

PRODUCTIVE AND REPRODUCTIVE PERFORMANCES OF PRIMIPAROUS FRIESIAN COWS IN RELATION WITH UTERINE INVOLUTION INDUCED BY OXYTOCIN AND PROSTAGLANDIN OF ADMINISTRATION AT CALVING

GENETIC FACTORS AFFECTING TOTAL MILK YIELD, LACTATION PERIOD AND CALVING INTERVAL OF CROSSBRED FRIESIAN COWS RAISED ON NILE DELTA

EFFECT OF RETAINED PLACENTA ON POST-PARTUM REPRODUCTIVE PERFORMANCE OF FREISIAN COWS

Effect of twin vs. single births on gestation length, reproductive performance, dystocia, calf survival rate and culling in Holstein cows