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.

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