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العودة   منتديات مصر فيت -- بيطرى المصريين -- MasrVet > الدراسة الجامعية Undergraduate > قسم الـدراسـة الإكـلـيـنـيـكـيـة > أمراض الدواجن Poultry Diseases

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قديم 01-25-2011   #1
 
الصورة الرمزية د.محسن كرم
 
تاريخ التسجيل: Oct 2010
الموقع: مصر -المنوفية - منوف - ف.ك
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شكراً: 18
تم شكره 254 مرة في 220 مشاركة
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افتراضي تابع سلسلة أمراض الدواجن بالصور necrotic enteritis

Bacterial Diseases
NECROTIC ENTERITIS


. necrotic enteritis (NE) is an acute Clostridium infection characterized by severe necroses of intestinal mucosa. The disease begins suddenly, with a sharp increase in death rate. A strong dehydration is observed. The skin is sticked on or adhered to body musculature and is hardly removed.

تابع سلسلة أمراض الدواجن بالصور
113.. necrotic enteritis (NE) is an acute Clostridium infection characterized by severe necroses of intestinal mucosa. The disease begins suddenly, with a sharp increase in death rate. A strong dehydration is observed. The skin is sticked on or adhered to body musculature and is hardly removed.

Chickens at the age of 25 weeks are usually affected, NE is also encountered in hens particularly near the period of the beginning of egg laying or peak egg laying, most commonly associated with coccidiosis. In acute cases, marked congestion of liver, responsible for its dark red to black appearance, is present.

تابع سلسلة أمراض الدواجن بالصور

114.Chickens at the age of 25 weeks are usually affected, NE is also encountered in hens particularly near the period of the beginning of egg laying or peak egg laying, most commonly associated with coccidiosis. In acute cases, marked congestion of liver, responsible for its dark red to black appearance, is present.

The aetiological agent is Clostridium perfringens, mainly from type A and more rarely from type C. The produced a and p toxins, from C. perfringens type A and type C respectively, are responsible for the necrosis of intestinal mucosa. The small intestine is often distended with gases and the necrotic mucosa is visible through the wall.

تابع سلسلة أمراض الدواجن بالصور

115.The aetiological agent is Clostridium perfringens, mainly from type A and more rarely from type C. The produced a and p" toxins, from C. perfringens type A and type C respectively, are responsible for the necrosis of intestinal mucosa. The small intestine is often distended with gases and the necrotic mucosa is visible through the wall.

CI. perfringens is ubiquitous and normally reside into the intestinal tract. The alterations are particularly in the jejunum and the ileum because of their higher pH and the lower oxygen content in these areas. Sometimes, haemorrhages are seen through the intestinal wall.

تابع سلسلة أمراض الدواجن بالصور

116.CI. perfringens is ubiquitous and normally reside into the intestinal tract. The alterations are particularly in the jejunum and the ileum because of their higher pH and the lower oxygen content in these areas. Sometimes, haemorrhages are seen through the intestinal wall.

The intestinal lumen is filled with brownish watery content, mixed with gas bubbles.

تابع سلسلة أمراض الدواجن بالصور

117.The intestinal lumen is filled with brownish watery content, mixed with gas bubbles.

necrotic mucosa acquires a greyish-creamy or greenish appearance. Sometimes the mucosa has a flannelette blanket-like appearance

تابع سلسلة أمراض الدواجن بالصور
118.necrotic mucosa acquires a greyish-creamy or greenish appearance. Sometimes the mucosa has a flannelette blanket-like appearance.

In some cases, the mucosa has a linear pattern similar to the bark of a tree. The predisposing factors are injuries of intestinal mucosa by various Eimeria species, migration of ascarids, immuno¬deficiency states due to CIA, IBD, MD, high content of wheat or fish meal in the diet. In some cases, the mucosa has a linear pattern similar to the bark of a tree. The predisposing factors are injuries of intestinal mucosa by various Eimeria species, migration of ascarids, immuno¬deficiency states due to CIA, IBD, MD, high content of wheat or fish meal in the diet.

تابع سلسلة أمراض الدواجن بالصور


تابع سلسلة أمراض الدواجن بالصور

119.120.In some cases, the mucosa has a linear pattern similar to the bark of a tree. The predisposing factors are injuries of intestinal mucosa by various Eimeria species, migration of ascarids, immuno¬deficiency states due to CIA, IBD, MD, high content of wheat or fish meal in the diet.

In cases when NE is associated with small intestinal coccidioses, multiple petechial haemorrhages could be perceived through the wall in different areas along the small intestine.
تابع سلسلة أمراض الدواجن بالصور

121In cases when NE is associated with small intestinal coccidioses, multiple petechial haemorrhages could be perceived through the wall in different areas along the small intestine.

Throughout the simultaneous occurrence of NE and cocci¬dioses, the content of the lumen is bloody, mixed with necrotic detritus and gas bubbles. The diagnosis is based on the distinctive gross lesions. When necessary, a histological investigation is performed or attempts for isolation of the causative agent. NE should be distinguished from ulcerative enteritis and some small intestinal cocci¬dioses. The control should be aimed at predisposing factors. An appropriate medication of feeds is recommended. A good effect is obtained with oxytetra-cycline dihydrate (OTC 50% premix). NE could be effectively treated with doxy-cycline hydrochloride, amoxicillin etc. Throughout the simultaneous occurrence of NE and cocci¬dioses, the content of the lumen is bloody, mixed with necrotic detritus and gas bubbles. The diagnosis is based on the distinctive gross lesions. When necessary, a histological investigation is performed or attempts for isolation of the causative agent. NE should be distinguished from ulcerative enteritis and some small intestinal cocci¬dioses. The control should be aimed at predisposing factors. An appropriate medication of feeds is recommended. A good effect is obtained with oxytetra-cycline dihydrate (OTC 50% premix). NE could be effectively treated with doxy-cycline hydrochloride, amoxicillin etc. Throughout the simultaneous occurrence of NE and cocci¬dioses, the content of the lumen is bloody, mixed with necrotic detritus and gas bubbles. The diagnosis is based on the distinctive gross lesions. When necessary, a histological investigation is performed or attempts for isolation of the causative agent. NE should be distinguished from ulcerative enteritis and some small intestinal cocci¬dioses. The control should be aimed at predisposing factors. An appropriate medication of feeds is recommended. A good effect is obtained with oxytetra-cycline dihydrate (OTC 50% premix). NE could be effectively treated with doxy-cycline hydrochloride, amoxicillin etc.
تابع سلسلة أمراض الدواجن بالصور


تابع سلسلة أمراض الدواجن بالصور


تابع سلسلة أمراض الدواجن بالصور

112.123.124.Throughout the simultaneous occurrence of NE and cocci¬dioses, the content of the lumen is bloody, mixed with necrotic detritus and gas bubbles. The diagnosis is based on the distinctive gross lesions. When necessary, a histological investigation is performed or attempts for isolation of the causative agent. NE should be distinguished from ulcerative enteritis and some small intestinal cocci¬dioses. The control should be aimed at predisposing factors. An appropriate medication of feeds is recommended. A good effect is obtained with oxytetra-cycline dihydrate (OTC 50% premix). NE could be effectively treated with doxy-cycline hydrochloride, amoxicillin etc.



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التوقيع

د.مـحســن كـرم عـبد الـمحسن

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د.محسن كرم غير متواجد حالياً   رد مع اقتباس
قديم 01-26-2011   #2

مشرفة قسم التنمية البشرية والعلوم النفسية

 
الصورة الرمزية afrikano
 
تاريخ التسجيل: Dec 2010
المشاركات: 1,014
شكراً: 217
تم شكره 33 مرة في 30 مشاركة
افتراضي

تسلم تسلم تسلم تسلم يا محسن يا أبو الكرم فعلا اسم على مسمى والله كنت بدور على السلسلة دى وبالذات النهاردة واخر ماكنت هازهق كنت هنادى عليكو !!!!!!وأولوكو عايزة الصور والصفات التشريحية لامراض الدواجن .جزاك الله خيرا كثيرا وسقاك من الكوثر .
التوقيع

أن كنت جاهلة الا تتبصري
او كنت ناسية الا تتذكري
فالعلم في ان تعلمي بحقيقتي
و الجهل في أن تجهلي بمأثري
علم و فن و أكتمال ثقافة كل تمثل بالطبيب البيطري


المرحوم الدكتور يحيى الهنداوي رحمه الله


afrikano غير متواجد حالياً   رد مع اقتباس
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أمراض, الدواجن, بالصور, تابع, enteritis, necrotic, سلسلة

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