IMPACT OF IN-OVO INJECTION WITH DIFFERENT IRON FORMS ON HATCHABILITY TRAITS AND POST- HATCHING GROWTH PERFORMANCE OF SUDANY DUCKLINGS

Noha Abd El-Azeem, samah Abdel Rahman
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Abstract

: A total of 1050 Sudany duck eggs were used in this experiment. Eggs were divided randomly into 7 treatments with three replicates each to study the influence of iron in different forms In-Ovo injection on hatchability traits and post-hatch performance of Sudany ducklings. The first group (G1) was served as control, (without injection); the eggs in 2 nd (G2) and 3 rd (G3) groups injected with 0.1 and 0.2 ml saline solution contains 10 and 20 ppm Nano organic iron. The eggs in 4 th and 5 th groups were injected with 0.1 and 0.2 ml saline solution contains 10 and 20 ppm Nano inorganic iron. The eggs in 6 th group was injected with 0.1 saline solution contain 10 µg organic iron, while the eggs in 7 th group was injected with 0.1 ml saline solution contain 10 µg inorganic iron. The results indicated that, no significant differences of different forms of iron on hatchability traits. At hatch, ducklings hatched from eggs in groups G2 and G3 recorded significantly high values of A/G ratio, MDA and HDL. Ducklings hatched from eggs injected with different forms of iron had significantly higher values of plasma IGF 1 and T 3 hormone and lower values of LDL than the control group. Ducklings hatched from eggs in group (G6) resulted in significantly higher values of plasma RBCs, HB and heterophiles than the control group. Also, all treated groups had high values of plasma WBCs compared to control except G7. Duckling in G2,G5 and G6 gave high LBW at 12 and 16 weeks of age . Also, duckling in (G2) recorded significantly high values of BWG throughout the trial period. These results suggest that, pre incubation In-Ovo injection with different forms of iron improved some blood plasma constituents of chicks at hatch and enhance post-hatch productive performance of Sudany ducklings from hatching until 16 weeks of age
蛋内注射不同形态铁对苏丹鸭孵化性能及孵化后生长性能的影响
:本试验共使用苏丹鸭蛋1050枚。试验将蛋随机分为7个处理,每个处理3个重复,研究不同形态铁在蛋内注射对苏大尼雏鸭孵化性能和孵化后生产性能的影响。第一组(G1)为对照组,不注射;第二组(G2)和第三组(G3)分别注射0.1和0.2 ml含10和20 ppm纳米有机铁的生理盐水。第4、5组鸡蛋分别注射0.1、0.2 ml含10、20 ppm纳米无机铁的生理盐水。第6组鸡蛋注射含10µg有机铁的0.1 ml生理盐水溶液,第7组鸡蛋注射含10µg无机铁的0.1 ml生理盐水溶液。结果表明,不同形式的铁对孵化性性状无显著差异。孵化时,G2组和G3组的A/G比、MDA和HDL均显著高于对照组。注射不同形式铁的蛋孵出的雏鸭血浆igf1和t3激素水平显著高于对照组,LDL水平显著低于对照组。G6组雏鸭的血浆红细胞、血红蛋白和嗜异性粒细胞均显著高于对照组。此外,除G7外,所有治疗组的血浆白细胞均高于对照组。G2、G5和G6组雏鸭在12和16周龄时体重较高。在整个试验期内,(G2)组的鸭体增重显著提高。综上所述,孵育前在蛋内注射不同形式的铁可改善孵出雏鸡的部分血浆成分,提高孵出至16周龄的苏大尼雏鸭的孵化后生产性能
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