1. Pseudocowpox is an infectious skin disease that only affects cattle. It is transmitted by insects and causes fever, skin nodules, swollen lymph nodes, and leg edema. 2. Clinical signs include fever over 40.1°C, firm skin nodules 0.5-5cm in diameter on the perineum, genitals, udder and body that later form dry scabs. There is also lymphadenitis and painful leg and chest edema. 3. Treatment is symptomatic with antibiotics, antipyretics, anti-inflammatories, and IV fluids. Vaccination of cattle over 6 months old with a live attenuated vaccine provides protection for up to 3 years.

1. )L.S.D(
)PSUDOURTICARIA(

8. *It is infectious serious skin disease of cattle only
*it is transmitted by insect
*ch` clinically by fever , presence of nodules on the skin ,
lymphadenitis & edema of legs
Clinical signs:
1-fever ( 40-41.5 ºc)→ persist for up to 14 days
2-the skin lesion (cutaneous nodules) in perineum ,
genitalia , udder & allover the body
-the nodules → firm , round , raised (0.5-5) cm in
diameter → then nodules after 2-3 weeks →
become dry scab
3-lymphadenitis
4-painful edema in limbs & brisket
5-white necrotic foci & erosion in M.M of digestive tract ,
upper respiratory tract & eyes lead to salivation ,
nasal discharge , conjunctivitis & lacrimation

9. D.D
**from:
a-Urticaria → ch` by presence of wheals
b-Cow pox → ch` by presence of
●typical cow pox as papules , vesicle , pustule scab &
ulcer
●red brown scabs on the teats & udder
c-Photosensitization → ch` by eye discharge , swelling ,
around eyelids , ear & scab formation on nostrils &
teat
d-Bovine lymphangitis → ch` by thickening of the skin &
s/c swelling
e-Mycotic dermatitis → ch` by
●creamy scabs 2.5 cm in diameter
●the lesion more common on head , neck , axilla ,
udder & inner aspect of thigh

10. Treatment
Just symptomatic treatment as:
a-broad spectrum antibiotic as Streptopencid I/M
2vial /12 hr
b-antipyretic as Analgine I/M or I/V → 20-40 cm
c-anti-inflammatory as Dexamethasone → 5-12 cm /
I.M /24 hr
d-I/V injection of Dextrose 25% → 1-2 liter
Vaccination
)Live attenuated vaccine(
-vaccination of all cattle over 6 months of age →give
protection for up to 3 years
-vaccination of cattle with sheep pox vaccine → ½ ml /
intradermal on the tail fold