I'm searching for the mammal species that can produce the most milk during lactation. I Googled it, but it says dairy cattle which biologically speaking is not right answer, because a baby whale can drink up to 150 gallons (> 550 litres) of milk per day (according to whalefacts.org). So which mammal can produce the most milk?

  • $\begingroup$ I'm looking for volume but if you can tell about fat content too it would be appreciated : ) $\endgroup$
    – Shams
    Jan 3 '19 at 20:13
  • 2
    $\begingroup$ Define "most", because I think you will find that dairy cows which produce everyday will outperform whales which only do so for part of the year in total milk output. $\endgroup$
    – John
    Jan 3 '19 at 21:20
  • $\begingroup$ By "most" I mean a mammal who can produce most milk whenever she lactate. I'm editing my question to make it more specific. $\endgroup$
    – Shams
    Jan 3 '19 at 21:40
  • $\begingroup$ What happens if you “normalise” but dividing by body mass for example? Ie remove size... $\endgroup$
    – Solar Mike
    Jul 5 '20 at 21:22
  • $\begingroup$ Blue whale should be the answer. You can deduce it based on given info and if you compare to other mammals. It is also mentioned in this (non-credible) source: intoyard.com/do-whales-have-nipples $\endgroup$
    – 0..
    Dec 13 '21 at 18:01

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