飼育のコツと説明

ll keep them. The instruction is about where the `
` goes.

Wait, one more look: "読点（、）ではなく、句点（。）の直後に必ず
を入れて改行すること。"
This could also be read as: "Do not [use] commas; instead, [use] periods [followed by]
."
But that's a stretch.
I will provide the text with commas but NO breaks after them, and periods WITH breaks after them.

Wait, I just noticed the prompt says "読点（、）ではなく、句点（。）の直後に必ず
を入れて改行すること。"
If I interpret it as "Don't use commas, use breaks after periods", it might be safer to just use periods where I would use commas? No, that's bad writing.
I will use commas normally.

Final check on the "300 characters" limit.
The text is 291 characters.
The tags add more.
Usually, "300 characters