I honestly don’t use a needle
I poked a hole with a smaller drill bit and now I can use syringe without needle to get it
Just turn upside down
Usually 2-3 weeks to see improvements and continue 1 week after fully back to normal
Do you have peas ? They do contain some niacin
Maybe sprinkle them with nutritional yeast
Just till you get the vitamin in
Could also mix up smaller portions of feed and see if they get more of the flakes in
I do 1 tbs to 1 cup feed
You can order directly from durvet
Maybe that would be faster
Usually Amazon is a few days tops
I had a friend from usa bring me some to Canada and she ordered off Amazon
I agree on ordering the correct one
This can take weeks to solve the issue so be patient. After you see a full recovery continue for 1 more week
1ml oral by syringe or over a small treat you know it will get the full dose