alligator farms
... that despite the fact that self-described alligator farms have existed since the 1890s, true commercial farming of crocodilians did not begin until the mid-20th century?
... that despite the fact that self-described <b id="mwCo8"><a class="mw-redirect" href="./Alligator_farm" id="mwCpA" rel="mw:WikiLink" title="Alligator farm">alligator farms</a></b> have existed since the 1890s, true commercial farming of <a class="mw-redirect" href="./Crocodilians" id="mwCpE" rel="mw:WikiLink" title="Crocodilians">crocodilians</a> did not begin until the mid-20th century?