Maternal investment, sibling competition, and
2011-1-12 · In conclusion, piglet mortality caused by maternal crushing of piglets with no teat success and starvation caused by sibling competition, increased with increasing litter size for most sow parities. This resulted in a more or less constant number of surviving piglets at the time of weaning and suggests that 10 to 11 piglets could be close to the upper limit that the domestic sow is capable of taking care of.
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