Effect of in ovo injection of various vitamins on Hatchability and embryo mortalities during embryogenesis stages of Japanese quails Coturnix japonica
Journal of Kerbala for Agricultural Sciences,
2016, Volume 3, Issue 1, Pages 132-145
AbstractThis study was conducted during at 4/3/2014 to 22/3/2014 in AL-Chiflawy hatchery ,ALmahawel – Babylon province to investigate the effected of injection of Japanese quail eggs by fat soluable vitamins , A,D3,E and AD3E on hatchability weight and length of hatched chicks , embryo mortality during embryogenesis .A total of 720 fertile eggs were used , eggs were distributed into 6 treatments each treatment included 120 eggs , each treatment included 3 replicated treatment were as follow:
T1: negative control Treatment .
T2: positive control Treatment it included injection of 50 microliter / egg with cor oil .
T3: included injection of 50 microliter / egg of vit A (100 IU/egg)
T4: included injection of 50 microliter / egg of vit E (15 IU/egg)
T5: included injection of 50 microliter / egg of vit D3 (100IU/egg)
T6: included injection of 50 microliter / egg of vit AD3E (100IU/egg) .
Results revealed a significant surpassing (P<0.05) of vitamins injection (3th ,4th , 5th and 6th) on control treatment (1st and 2nd) in hatchability of fertile eggs , weight of hatched chick , there was no significant differences between treatment in length of chicks , but there was a significant effect of fat soluble vitamins on weight of dead embryo with a significant decrease of early , middle and late chick mortalities and the total mortalities as compared with the control treatment ,it was concluded that there is a positive role of fat soluable vitamins in improvement of hatchability , increase of weight of dead embryo , weight of hatched chicks with a decrease of embryo mortalities during embryogenesis .
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