Litter Sizes - Anatomy & Physiology
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Litter sizes vary considerably between species.
Polytocous Species
Species that produce multiple offspring.
- Bitch
- Queen
- Sow
- Rabbit
- Ewe
Monotocous species
Those species that normally produce a single offspring. Twin pregnancies do occur in the mare but are rarely carried to full term and veterinary intervention is often used to prevent twin pregnancies in this species.
- Mare
- Cow