If you are trying to fix the problem, finding the cause is very important. By just doing something, or worst many somethings, you may make the problem worse and still have no clue of how to fix it.
Now something like this is a little harder because it is not just trying to fix a problem, it is trying to fix a problem with a time limit. Similar to emergency medicine. But harder because the patient is one who's anatomy and physiology you are not familiar with. And they might have reactions to the medicine you are giving them.
The article keeps hinting at lack of food, malnourished, feeding in unusual places. Then goes on to say the last mass die off occurred during colder than usual weather as opposed the recent hotter then usual. It sounds like more data would be very helpful.
Also >Refusal to blame yourself with literally 0 evidence is itself evidence that someone is an oil company shill or something.
Is very hostile and breaks the guideline: >Please respond to the strongest plausible interpretation of what someone says, not a weaker one that's easier to criticize. Assume good faith.