Credit 2 - Eggs

*Parascaris equorum*

1. medium (80-100μm)
2. spherical
3. 3 thick shells, outer pitted coat
4. unembryonated (one blastomere)
5. dark brown

*Parascaris equorum*

*Strongylus spp.*

1. medium
2. oval
3. 2 thin shells
4. unembryonated
5. grey

*Strongylus spp.*

*Anoplocephala spp.*

1. medium
2. polyhedral
3. 3 thick shells, pyriform apparatus
4. embryonated (oncosphere)
5. grey

*Anoplocephala spp.*

*Strongyloides spp.*

1. small
2. oval, symmetrical
3. 2 thin shells
4. embryonated (L1)
5. transparent

*Strongyloides spp.*

*Dicrocoelium dendriticum*

1. small
2. oval, asymmetrical
3. 2 thin shells, operculum
4. embryonated (miracidium)
5. brown

*Dicrocoelium dendriticum*

*Fasciola hepatica*

1. large
2. oval, symmetrical
3. 2 thin shells, operculum
4. unembryonated
5. yellow

*Fasciola hepatica*

Trichostrongylidae family

1. medium
2. ovoid, symmetrical
3. 2 thin shells
4. unembryonated (various blastomeres)
5. grey

*Macracanthorhynchus hirundinaceus*

1. large
2. oval, symmetrical
3. 3 thick shells
4. embryonated (acanthor)
5. dark brown

*Macracanthorhynchus hirundinaceus*

*Ascaris suum*

1. medium
2. oval
3. 3 thick shells, irregularly mamillated
4. unembryonated (one blastomere)
5. dark brown

*Ascaris suum*

*Trichuris spp.*

1. medium
2. lemon-shaped, symmetrical
3. 2 thick shells, 2 prominent pole plugs
4. unembryonated
5. yellow to red-brown

*Trichuris spp.*

*Toxocara spp.*

1. medium
2. spherical
3. 3 thick shells, rough surface
4. unembryonated (one blastomere)
5. dark brown

*Toxocara spp.*

*Skrjabinema spp.*

1. small
2. oval, asymmetrical
3. 2 thin shells, operculum
4. unembryonated
5. grey

*Skrjabinema spp.*

*Nematodirus spp.*

1. extra large
2. oval, symmetrical
3. 2 thin shells
4. unembryonated (8 blastomeres)
5. grey

*Nematodirus spp.*

*Capillaria spp.*

1. small
2. barrel shape, asymmetrical
3. 2 thin shells, 2 flat pole plugs
4. unembryonated
5. grey-green to light brown

*Capillaria spp.*

*Metastrongylus spp.*

1. small
2. oval, symmetrical
3. 2 thick shells
4. embryonated (L1)


1. transparent

*Metastrongylus spp.*

*Moniezia spp.*

1. medium
2. polyhedral
3. 3 thick shells, pyriform apparatus
4. embryonated (oncosphere)
5. transparent grey

*Moniezia spp.*

*Ancylostoma spp.*

1. medium
2. oval
3. 2 thin shells
4. unembryonated (4-8 blastomeres)
5. light brown

*Ancylostoma spp.*

*Taenia spp.*

1. small
2. spherical
3. 3 thick shells
4. embryonated (oncosphere)
5. brown

*Taenia spp.*

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*Dipylidium caninum* (cocoon with 10-12 eggs)

*Oxyuris equi*

1. medium
2. ovoid, asymmetrical
3. 2 thin shells, mucoid plug
4. unembryonated
5. yellow

*Oxyuris equi*