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Register a new userHistological changes Associated With Eimeria Stiedae In Experimentally Infected Rabbits
التغيرات النسيجية الناتجة عن العدوى التجريبية بالأيميرية الستيداوية
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هدفت هذه التجربة إلى دراسة التغيرات النسيجية الناتجة عن الإصابة بداء الأكرية الكبدية الذي تسببه الأيميرية الستيداوية, و مقارنة التغيرات النسيجية في نسيج الكبد عند الأرانب المخموجة تجريبيا في مراحل العدوى المختلفة.
The aim of this experiment was to study Histological changes associated with different stages of infection with hepatic coccidiosis induced by Eimeria stiedae in rabbits.
References used
Abdel-Megeed, K.N., Abu El-Ezz, N.M., Abdel-Rahman, E.H. (2005). Protective effect of Eimeria stiedae coproantigen against hepatic coccidiosis in rabbits. J. Egypt. Soc. Parasitol., 35 (2): 581-595
Abu-Akkada, S.S., Oda, S.S. Ashmawy, K.I. ( 2010). Garlic and hepatic coccidiosis: prophylaxis or treatment?. Trop. Anim. Health Prod., 42: 1337-1343
Al-Husseini, M.A., (1992). Advanced way for rabbit production. Published by Ebin Sena library,Cairo, Egypt
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The aim of this experiment to study some of the blood parameters
associated with hepatic coccidiosis induced by Eimeria stiedae in
rabbits, and compare it with the blood changes when infected
rabbits treating with the toltrazuril compound.
21 rab
bit-old (4-8 weeks) were Used for this experiment of both
sexes and were divided into three groups (seven rabbits in each
group): Group of natural witness, and a Group of patient witness,
where the infection caused by challenge dose of about forty
thousand mature oocyst for each rabbit by mouth, and a treatment
group that has been given the same previous challenge dose.
The study carried out on various aged sheep between day to five
months which suffered from diagnostic clinical signs of white
muscle disease. Autopsy to all the sheep dead or slaughtered and
record all observations and histological biopsies of different organs
was collected.
The most outstanding features of gross inspection were wasting,
pale in visual mucous membrane, dyspnea, lung edema, and the
most parts of muscle were white.
The aim of this experiment was to study the protective and
therapeutic effects of Ecballium elaterium juice against
experimental infection with Eimeria stiedae in rabbits. thirty- two
rabbits Divided into four groups (eight rabbits in each group)
:
healthy control group; challenged –Ecballium elaterium –protected
group, which received a daily dose of (45)μl\kg body weight
Ecballium elaterium juice intra-peritoneal for five days before
challenged with E. stiedae; challenged –Ecballium elaterium –
treated group which received a daily dose of (45)μl\kg body weight
Ecballium elaterium juice intra-peritoneal for five days after
challenged with of E .stiedae and infected group. The challenge
dose was 40000 sporulated E. stiedae oocyst per rabbit.
Ninety urin samples were taken from patients suffering from
urinary tract infection .the purpose was to isolate and identify Ecoli.
After cultural and biochemical diagnosis,[47] isolates had been
obtained with [63.5%] for E-coli out of [74] samples that had
bacterial growth.
This study was carried out on 90 broiler chicks which divided into three groups. The first group has been given 0.75 g/L potassium nitrate and the second group was given 1 g/L potassium nitrate with drinking water for 30 days, While the third group w
as regarded as a control.
The birds were reared in same keeping house and feeded with the same ration without any additives and no vaccinations were applied.
All birds were sacrificed and examined by naked eye. Then the thymus gland was fixed by formalin and stained microscopic sections were examined by microscope.
The histological changes in the birds which dosed by 1 g/L and 0.75 g/L of nitrate were similar and the observed changes were the small size of cortex in some lobules, and the cortex were separated from bulb with increase the number of Hassall bodies in the bulb region, also there were vacuoles and reticular cells in different stages of degeneration and edema in the connective tissues in comparison with control group.
These results confirmed that nitrate had toxic effects on the tissues of thymus, and as a sequence reduced the number of T cells which lead to decrease the resistance and Immune response of the birds and retarded the growth rate.
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