STUDY ON THE DURATON OF EMBRIONIC DEVELOPMENT AND CHICKEN BODY WEIGHT АТ HATHING IN OSTRICHES (STRUTHIO CAMELUS)

Matina Nickolova

Резюме: An investigation was carried out with five females and two males (sexual ratio of 1:2.5) of Black african ostrich (Struthio camelus) during five reproductive seasons. Birds were reared extensively during all experimental period.
Average absolute and relative body weight of the ostrich chickens were 896.69 ± 4.77g and 57.40 ± 0.20% respectively. It was observed that absolute body weight increase and relative stays almost constant with age.
An average duration of incubation of 42.68 ± 0.14 days was observed- shortest in three years old and longest in five years old layers ostrich.

Ключови думи: African ostrich (Struthio camelus); chicкen s body weight at hatching; embriodevelopment; incubation

Дата на публикуване: 2017-05-18