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Neuropathologic changes and biochemical indices in lead-exposed quail embryo [electronic resouce].

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Badri, F. B. A

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Language: English Summary language: Arabic Description: p.247-265Other title:

التغيرات العصبية الباثولوجية والمؤشرات الكيميائية الحيوية في أجنة السمان المعرض للتلوث بالرصاص [Added title page title]

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Egyptian poultry science journal, 2006 v. 26 (I) [electronic resouce].

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In: Egyptian poultry science journal 2006.v.26(I)Summary: This study was conducted to determine the influence of lead acetate (Pb) injection into fertile quail eggs on embryonic growth, some hematological and biochemical indices, histopathological changes and hatchability. Seven hundred eggs were injected on the 6th day (d) of incubation with different levels of Pb: 0.01,0.02,0.03 and 0.04 ppm. The results showed that embryo weight and hatchability were decreased, while mortality rate was increased in the treated groups. In most embryos visible signs of Pb injuries were noted. Pb at the level of 0.03 and 0.04 ppm increased (P≤ 0.01) serum glutamate pyruvate transaminase (GPT) in newly hatched chicks compared with the control group . Clumps of blood cells and areas of necrosis were observed in the spinal cord and degeneration and necrosis in cerebral hemisphere in embryos injected with Pb as compared to control. It was evident that Japanese quail eggs that were injected with Pb on the 6th day of incubation exhibited marked malformation in the developing embryos associated with low hatchability.

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This study was conducted to determine the influence of lead acetate (Pb) injection into fertile quail eggs on embryonic growth, some hematological and biochemical indices, histopathological changes and hatchability. Seven hundred eggs were injected on the 6th day (d) of incubation with different levels of Pb: 0.01,0.02,0.03 and 0.04 ppm. The results showed that embryo weight and hatchability were decreased, while mortality rate was increased in the treated groups. In most embryos visible signs of Pb injuries were noted. Pb at the level of 0.03 and 0.04 ppm increased (P≤ 0.01) serum glutamate pyruvate transaminase (GPT) in newly hatched chicks compared with the control group . Clumps of blood cells and areas of necrosis were observed in the spinal cord and degeneration and necrosis in cerebral hemisphere in embryos injected with Pb as compared to control. It was evident that Japanese quail eggs that were injected with Pb on the 6th day of incubation exhibited marked malformation in the developing embryos associated with low hatchability.

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