د ثروت الشيمي

6. 1-cutaneous form → common in cattle less than 3 years of old
*ch` by:
-cutaneous plaques (5-10 cm) on neck , back & thigh
-the plques covered by thick gray white scab then the
nodules →shrink & after aperiod of weeks or month → grow
again
2-Juvenile form (calf lymphosarcoma) → common in calves of 2
weeks to 6 month of age
*ch` by:
-sudden enlargement of L.N
-gradual loss of B.wt , depression & weakness
3-thymic form → common in young cattle 6-24 month of age
*ch` by:
-enlargement of thymus
-enlargement of regional L.N
-respiratory obstruction

7. 1-cutaneous form → common in cattle less than 3 years of old
*ch` by:
-cutaneous plaques (5-10 cm) on neck , back & thigh
-the plques covered by thick gray white scab then the
nodules →shrink & after aperiod of weeks or month → grow
again
2-Juvenile form (calf lymphosarcoma) → common in calves of 2
weeks to 6 month of age
*ch` by:
-sudden enlargement of L.N
-gradual loss of B.wt , depression & weakness
3-thymic form → common in young cattle 6-24 month of age
*ch` by:
-enlargement of thymus
-enlargement of regional L.N
-respiratory obstruction