Abstract: Hatchability is important parameter that should be studied before distributing hatching eggs. A study was therefore conducted to compare hatching parameters of four breeds of chickens at Research Center using standard method. A total of 6000 hatching eggs; 1500 from each parent stock namely Local Horro, Fayoumi, Lohmann silver and Potchefstroom Koekoek were collected in 3 batches and hatched. Egg weight showed significant difference among 4 genotypes at (p<0.01). Fertility was highest in Fayoumi, followed by Lohmann silver and lowest for Potchefstroom Koekoek and Horro at (p<0.01). Hatchability from eggs set was highest for Fayoumi and Potchefstroom Koekoek, followed by Lohmann silver and least for Horro at (p<0.01). Hatchability from fertile eggs was highest for Fayoumi followed by Potchefstroom Koekoek, Horro and least for Lohmann silver (p<0.01). Dead in germ was highest for Horro followed by Fayoumi and least both for Lohmann silver and Potchefstroom Koekoek (p<0.01). Dead in Shell was highest for Horro followed by Lohmann silver and Potchefstroom Koekoek and least for Fayoumi (p<0.01). Normal chicks count was highest for Fayoumi and Potchefstroom Koekoek followed by Horro and Lohmann silver and the opposite for Abnormal chicks (p<0.01). Average chick weight was higher for Lohmann silver and Potchefstroom Koekoek and lower for Horro and Potchefstroom Koekoek (p<0.01). Generally breed had a significant effect (p<0.01) on all parameters considered in this study unlike Batch which did not show any effect (p>0.05). Genetic difference results in difference in fertility and hatchability.