GIN that cause PGE in sheep identification
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10 Terms
Teladorsagia Circumcincta
appearance ?
ppp ?
affects ?
1cm long, pink / brown, slim, cervical papillae, males have spicules and bursa.
ppp of 3 weeks
affects first season grazing lambs
Which GIN is shown in this image
why?
Teladorsagia Circumcincta
why?
1cm long, pink / brown, slim, cervical papillae, males have spicules and bursa.
Trichostrongulus spp
appearance
found in?
large numbers cause?
small, 4-7mm, hair like. adult worms have excretory pore visible as a notch at head end. male spicules short / unequal.
axei found in abomasum, other spp in SI.
PGE - black scour, haemorrage, diahorrea, villous atrophy
Cooperia spp
found in?
looks like,,?
heavy infection symptoms
cattle and sheep
spring / coiled, has a cephalic vesicle, short spicules on male.
gerenrally mild.
when heavy causes catarrhal enteriti, atrophy and oedema of intestinal mucosa.
What GIN is shown in this image
why
found where
symptoms of infection
ppp?
Haemonchous contortus
female ‘barber pole’ - gut n ovary spiral. large (3cm). cervical papillae. males have assymetricl dorsal lobe of burse.
found in abomasum
bottle jaw, anaemia, weight loss
3 weeks.
What GIN is shown in this image
why
found where
symptoms of infection
ppp?
Haemonchous contortus
female ‘barber pole’ - gut n ovary spiral. large (3cm). cervical papillae. males have assymetricl dorsal lobe of burse.
found in abomasum
bottle jaw, anaemia, weight loss
3 weeks.
What GIN is shown in this image
why
found where
symptoms of infection
ppp?
Trichostrongulus spp
mall, 4-7mm, hair like. adult worms have excretory pore visible as a notch at head end. male spicules short / unequal.
axei found in abomasum, other spp in SI.
PGE - black scour, haemorrage, diahorrea, villous atrophy
What GIN is shown in this image
why
found where
symptoms of infection
ppp?
Cooperia spp
cervical vesicle
small intestine
when heavy causes catarrhal enteriti, atrophy and oedema of intestinal mucosa.
3 week ppp
Which nematode effects only lambs in temperate climates?
How would you ID this under a microscope
ppp?
symptoms?
found in?
Nematodirus Battus
white worms in a tangle, cervical vesicle, 2cm long. females have large eggs, males have long thin spicules.
15 days
sudden explosive diarrhoea, innapetance, dehydration, lambs 4-12 weeks of age
small intestine
What GIN is shown in this image
why
found where
symptoms of infection
ppp?
Nematodirus Battus
white worms in a tangle, cervical vesicle, 2cm long. females have large eggs, males have long thin spicules.
15 days
sudden explosive diarrhoea, innapetance, dehydration, lambs 4-12 weeks of age
small intestine
Note 
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