parasitic affections sheep

1 -Fascioliasis.2 -Paraphistomiasis.

3 -Dicrocoelium dendriticum.4 -Haemonchosis.

5 -Ostertagiasis.6 -Bunostomiasis.

7 -Trichuris species.8 -Nematodirus species.

9 -Trichostrongylus species.10 -Lung worm.

11 -Moniezia species.12 -Thysanosoma species.

13 -Coenuriasis.14 -Hydatid cyst.

15 -Cysticercus tinuicollis.16 -Cysicercus ovis.

17 -Coccidiosis.18 -Cryptosporodiosis.

17 -Coccidiosis.18 -Cryptosporodiosis.

19 -Babesiosis.20 -Theileriosis.

21 -Trypanosomiasis.22 -Sarcocystosis.23 -Toxoplasmosis.

24 -Sarcoptic mange.25 -Psroptic mange

26 -Psorergates mange.27 -Chorioptic mange.

28 -Demodectic mange.29 -Ear mites.

30 -Osterus ovis.31 -Limnatis nilotica.

Chronic fibrous thickening of the bile duct

Acute lesion in a sheep liver

Mature flukes in the bile duct

encysted metacercaria on the grass

Bile stained egg in feces, showing the characteristic operculum

Bone marrow regeneration in chronic parasitism. Note the low hematocrit shown

Immature form in sheep duodenum

Egg in the feces Liver damage in a sheep

Hemorrhagic liver lesion Fluke containing ingested blood

Bottle jaw

Hemorrhage and ulcer at attachment point of the worm

Pale mucous membrane (severe anemia)

Barber’s pole appearance of the adult worm

Loss of body fat in chronic parasitism

Adult worm in the abomasum Nodular hypertrophy and mucosal thickening in chronic parasitism

Arrested larvae in the abomasal mucosa

Laceration in goat’s intestine

The adult worm have elongated narrow neck regions

Acute diarrhea Acute enteritis

Size comparison between Nematodirus spp (left) and Cooperia spp from sheep

worm nodules in mesenteric nodes and intestine

Worm nodules (pimply gut)

Worms burrowing into the mucosa

A worm in the subepithelial channel

Fingerprint lesion of villus atrophy

Widespread flattening of the duodenal mucosa

Dictyocaulus filaria

Adult worm in the trachea Parasitic bronchitis with adult worms in the bronchial lumens

Typical sites of pneumonia in sheep lung

Protostrongylus rufescens

Verminous emphysema in a sheep

Cross section of an emphysematous lung

Subpleural parasitic nodules

Focal lesion Parasitic stages in the lung

Muellerius capillaris

Nodular lesion in sheep lung

A tape worm from an infected lamb

Strobila in the lumen of the intestine

Tape worm from the intestine

Adult worm in the bile duct

Cyst with multiple scolices in a sheep brain

Cyst with multiple scolices in a sheep brain

Sheep with sturdy

Hydatid cyst in the sheep lung

Calcified cyst in the liver

Cyst attached to the intestine

Cyst in the liver

Pale nodules in the muscle

Nodular lesion in the upper jejunum as small mushroom like growth

Nodular lesion in the upper jejunum as small mushroom like growth

Macroschizonts in abomasum as tiny white spot

Sexual stages of Coccidia spp in small intestine

Macroschizont (large meront) (asexual stage) in the abomasum m.m

Sexual stages of Coccidia spp in small intestine

Macroschizont (large meront) (asexual stage) in the liver

Endogenous stages just under the cell membrane of the enterocyte

Cryptospordia are just visible along the borders of the villi of

small intestine

Oocysts in feces stained by a cold Ziehl Neelsen

Babesia motasi in sheep red cell, notes the pyriform lobes

A rod shaped or spheroid piroplasm in 1-2% of erythrocyte

Meront( koch’s bodies) in lymphoid cells

Trypanosoma bruei in blood smear

Swelling of lips in a sheep with Trypanosoma bruei infection

Mature Sarcocysts in sheep esophagusMeront of Sarcocystis spp in

the brain of adult sheep

Focal lesion in the spinal cord

Paresis caused by infection of the spinal cord

Cyst in the brain of an adult sheep with

minimal glial reaction

Brain necrosis in the fetus

Calcified lesion in a fetal lamb brain

A goat with generalized lesion

Cross section of a mite in the skin

Leg lesion.

Alopecia and scales can be seen in this head

Tags of wool hang from this picture

Yellowish crust lift away from the skin

The pedicles are long and jointed with characteristic funnel shaped sucker

Damaged fleece and skin

Female mite from skin scrapping

Thick crusts on the lower limbs of goat

Crusting and alopecia on a ram’s scrotum

Nodules seen from underside of the skin

Comparison between damaged hide and normal one

Smear of exudates from a nodules showing the mite

Nodules have been exposed by clip ping the hair and the exudate has been expressed from one nodules

Nodules surrounding the nares and eyes

Wax blocking ear canal A plug of exudate is present in the ear

Necrotic brain lesion due to migration of the parasite

Immature larval stage on the turbinate mucosa

Mature larval stage infesting the nasal passage

The parasite in the mouth