At some level, dealing with large herds of homo sapiens becomes similar to dealing with large herds of bos taurus. Compare the basic issues discussed in:<p><a href="http://www.gkstill.com/CV/PhD/Chapter2.html" rel="nofollow">http://www.gkstill.com/CV/PhD/Chapter2.html</a><p>with:<p><a href="https://www.grandin.com/references/design.construction.facilities.handling.cattle.html" rel="nofollow">https://www.grandin.com/references/design.construction.facil...</a><p><a href="https://worksafe.govt.nz/topic-and-industry/agriculture/working-with-animals/working-with-cattle/safe-cattle-handling-guide/#lf-doc-17084" rel="nofollow">https://worksafe.govt.nz/topic-and-industry/agriculture/work...</a><p>primary goal in both cases: keep everything chill.