parasitic affections sheep
TRANSCRIPT
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