الفهرس 
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Abstract
This work was conducted on 140 camels (Camelus dromelus, L.) from different
localities of Assiut Governorate. All animals were subjected to both clinical and
laboratory examination. Out of the total number (103) camels were proved to be
healthy. The reminder (37) animals were sufferingfrom Mange mites and diarrhoea.
The investigated animals were classified according to their age and sex. The blood
serum Se levels were estimated using atomic absorption spectrophotometer.
The study revealed that the most important clinicalfiningsin healthy Camels
were rosey red mucus membrane, good appetite and wide open eyes without
discharge, the skin was free from scurf or thickning, the flank full and hump not
leaning too much to one side. The droppings were in small hard balls and were passed
without efforts, the urine was clear and voided backward in jets. While the most
important clinical signs of mangy camels were emaciation, anoroxia, weakness,
thickning of the skin, keratinization and alopecia associated with severe itching. Mangy oreas scattered in the neck or shoulder region, also hind quarter and prenium region and sometimes allover the body.
Mean while, clinical finclings in camels suffered from parasitic enteritis m
eluded emaciation, weakness with diarrhaea, soild tail and thighs region, depraved
appetite and signs of dehydrationin severe cases may also appear.
Biochemical analysis ofWood serum Se levels showed a lowering in their level
m male camels by increasing •• 10 the young camels (less than ODe year) showed the
highest level compared with the edaer groups.
Moreover, there was lIDIlaanmcant cariation between healtby female camels at
different ages with exception althe group ofhea1thyfemale camels 1-4 years a gainst
the group of healthy females ••• 8 years old which recorded significant decrease
.It seems also that non significant variation between male and female Camels 1-
4 years old and over 8 years old while highly significant decrease was
recorded between male and female camels 4-8 years.
Reagarding to the diseased camels results pointed a non significant variation in
diseased camels which suffered from either mange mites or parasstic enteritis in male
camels against the same groups of the same age of healthy male cameles.
While these variation in Se levels in diseased female camels revealed a highly
significant decrease when campared with clinically healthy female camels.