My approach is to TRY to learn from those who have way more experience and, arguably, way more loving going on!
IMO the Purrs regulars LOVE, laugh, cry, cringe, swear, suggest, give a #*&*, LIVE the rescue life 24/7.. So when THEY, in unison, say straight something needs to be done ....... that is rare indeed.
I invite any reader to simply read back on this forum for a few hours. You will see the support, passion, graft, knowledge, LOVE, s%$t and giggles for yourself. Then maybe join the madness?
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Switched-on people research, ask their veterinarian, choose wisely without silly trolls.