Parasitic Diseases Of Cattle

External Parasites

Mange

Dry scaly appearance of thicked skin

(Sarc

optic

mang

e)

Sarcoptes scabei

Psoroptes cuniculi

TICKS

Adult Tick

Hypoderma

Internal Parasites

Blood Parasites

Theileriosis

Theileria parva

Theileria parva

Babesia

Trypanosomasis

Trypanosoma brucii

Leishmaniasis

Leishmania spp.

G.I.T Parasites

Ascariasis

Slide showing ascaris egg

(Toxocara vitulorum)

Tissue Parasites

Fasciolasis

Cattle showing Bottle jaw “F

asci

olia

sis”

Cattle liver tissue showing Fasiola hepatica adult, thickening and fibrosis of bile duct

The adult Fasciola gigantica, is leaf-shaped and is up to 3.5 cms. in length.

Ovum of Fasciola hepatica.

Ostertagia

Ostertagia ostertagi on the abomasal mucosa

Lung worm

Calf showing extension of head and neck ,protrusion of tongue and abduction of

forelimbs

(Dic

tyoc

aulu

s vi

vipa

rous

)

Slide showing huge numbers of adult lung worm in bronchi and bronchioles

Dictyocaulus flaria (L1)

Coccdiosis

Cryptosporidiosis

Cry

pto

spo

ridiu

m p

arv

um

Viral diseases of cattle

FMD

Salivation (FMD)

Unruptured vesicle on dorsum of

tongue

Ruptured Vesicle

هتالقي أبيض في النص و أحمر علي األطراف

Ruptured vesicle on gum

Fibrin infilling ruptured vesicle

Fibrin infilling ruptured vesicle

Vesicles on teat

Interdigital space (Wide)

Ruptured vesicle (Interdigital space)

Render pest

Salivation (RP)

بيكون مختلف ان هو علي هيئة

Foams

Salivation (RP)

بيكون مختلف ان هو علي هيئة

Foams

Inflammation in check papillae

Inflammation & necrosis in check

papillae

Eroded cheek ulcers (Bran-mash

like)

Mucosal erosion (Cigarette burn)

Pin head white foci on tongue

Early serous ocular discharge

Purulent discharge

Purulent discharge in eye

Purulent discharge

عاملة ذي الست اللي مات جوزها

Profuse watery diarrhea

Dehydration, emaciation & collapse

Sudden death

Sunken eye

(RP)

Gastro-enteritis necrotic foci

Small intestine (Mesenteric lymph

node Inflammation & congestion)

Engorged payer’s patches

Linear petecheal haemorrhage

(Zebra marking)

Zebra stripping

Zebra stripping

Zebra stripping

Lung (RP)

Bacterial diseases of cattle

A marked placentitis (small white necrotic foci).

“Brucellosis”

Aborted fetus “Brucellosis”

Small circular ringworm-like lesion on the fetal skin

“Brucellosis”

Contagious Bovine Pleuro-pneumonia

(C.B.P.P)

Cattle showing distension of left hind

quarter

“Mastitis”

cattle showing enlargment and

hardening of the udder without any

visible changes in the milk “Early

stage of acute mastitis”

Swelling and hyperemia of the udder

“Acute Mastitis”

Slide showing watery milk

with milk clots

Slide sowing milk clots suspended in serous fluid

Slide showing milk with blood clots

Slide showing bloody milk may be due

trauma

Cattle showing amarked line of

demarkation bet. ahealthy and

gangrenous tissue “Gangrenous

mastitis - early stage”

“Gangrenous mastitis - Advanced

stage”

Sloughing of the affected quarter at

late stage of “gangrenous

mastitis”

Cattle showing hard nodules in the

udder parenchyma

“Chronic mastitis”

Cattle showing atrophied quarter due to

mastitis form previous lactation

Cattle showing A post parturient oedema

Cattle showing A post parturient

physiological oedema

معلش ناقص كده حاجتين

LSD

IBR