@sundogplanets Bit late to the thread due to too much admin stuff this week.
Consensus on this revolves around evolution and animal breeding for specific characteristics. An interesting article can be found from a public radio link:
Additional biology context, for those of you who don't often milk goats: goats regularly have 2-4 babies at once, but only have 2 teats. Cows almost always have single babies, but have 4 teats. WHY?!
Offspring number per teat is more likely to increase in the presence of male provisioning. Paternal care with provisioning tends to favour the evolution of increased litter size relative to teat number. https://royalsocietypublishing.org/doi/10.1098/rspb.2016.0140
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