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The number of nipples vary on pigs.

Baby pigs tend not to like to "share", and within the first day or so have chosen the nipple they will use until they are weaned... so the number of nipples on a sow somewhat limits the litter size.

Common numbers would be 12, 14, or 16 nipples with farmers often breeding for the larger numbers to support larger litters.

The numbers are usually even, although sometimes an "extra" will occur giving an odd total, but often it is not fully formed, or would otherwise be less productive than the others.

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15y ago

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