Which parasites cause black scours in sheep?

T. colubriformis and T. vitrinus

Quiz

Trichostrongylid Parasite

Caitlin Wringe 8 Fragen

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1What is the name is the species of Trichostrongylus that is NOT a parasite of the small intestine?
1. AT. axei
2. BT. colubriforis
3. CT. vitrinus
4. DT. rugatus
2Match the correct name to the parasite species.
1. ANematodirus
2. BN. helventianus
3. CCooperia
4. DTrichostrongylids
5. ETrichostrongylus
6. FCooperia spp
3What is the prepatent period for these parasites?
1. A14-21 days
2. B28 - 32 days
3. C7-14 days
4. D50 -60 days
4Which species develops to the infective L3 stage before hatching?
1. ACooperia
2. BTrichostrongylus
3. CNematodirus
5Which larval stage is very resistant to desiccation and cold temperatures?
1. AL3
2. BL1
3. CL4
4. DL5
6Hypobiosis occurs with these species.
1. ARichtig
2. BFalsch
7Which parasites cause black scours in sheep?
1. AT. colubriformis and T. vitrinus
2. BT. rugatus and T. vitrinus
3. CN. spathiger and N. filicollis
4. DT. vitrinus and N. spathiger
8The diarrhoea from Black Scours in sheep can lead to....
1. AFly strike
2. BInfection of the colon
3. CSkin infection
4. DRectal tear